René's URL Explorer Experiment

Title: GitHub - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io: Ruby-based LeetCode algorithm problem solutions, regularly updated. · GitHub

Open Graph Title: GitHub - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io: Ruby-based LeetCode algorithm problem solutions, regularly updated.

X Title: GitHub - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io: Ruby-based LeetCode algorithm problem solutions, regularly updated.

Description: Ruby-based LeetCode algorithm problem solutions, regularly updated. - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io

Open Graph Description: Ruby-based LeetCode algorithm problem solutions, regularly updated. - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io

X Description: Ruby-based LeetCode algorithm problem solutions, regularly updated. - LeetCode-in-Ruby/LeetCode-in-Ruby.github.io

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"For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."	https://www.quora.com/How-effective-is-Leetcode-for-preparing-for-technical-interviews
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	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-tree
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	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-binary-search-tree
Kth Smallest Element in a BST	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-graphbfsdfs
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-graphbfsdfs
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-dynamic-programming
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
Coin Change	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0322_coin_change
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-dynamic-programming
Partition Equal Subset Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0416_partition_equal_subset_sum
Maximum Product Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0152_maximum_product_subarray
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-sliding-windowtwo-pointer
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Minimum Window Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0076_minimum_window_substring
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15-tree
Symmetric Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0101_symmetric_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16-design
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
Implement Trie (Prefix Tree)	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17-interval
Merge Intervals	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0056_merge_intervals
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18-stack
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19-union-find
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20-brute-forcebacktracking
Combination Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0039_combination_sum
Permutations	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0046_permutations
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-integers
Single Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0136_single_number
Reverse Integer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0007_reverse_integer
Palindrome Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0009_palindrome_number
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-strings
Longest Substring Without Repeating Characters	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters
Valid Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0020_valid_parentheses
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
Decode String	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0394_decode_string
Group Anagrams	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0049_group_anagrams
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-binary-search
Search in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array
Find Minimum in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-arrays
Best Time to Buy and Sell Stock	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock
Move Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0283_move_zeroes
Two Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0001_two_sum
Rotate Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0189_rotate_array
Jump Game	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0055_jump_game
Sort Colors	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0075_sort_colors
Product of Array Except Self	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0238_product_of_array_except_self
First Missing Positive	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0041_first_missing_positive
Sliding Window Maximum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0239_sliding_window_maximum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-two-pointers
Trapping Rain Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0042_trapping_rain_water
3Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0015_3sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-famous-algorithm
Maximum Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0053_maximum_subarray
Majority Element	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0169_majority_element
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-sorting-algorithms
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-2d-arraysmatrix
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
Rotate Image	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0048_rotate_image
Set Matrix Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0073_set_matrix_zeroes
Merge Intervals	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0056_merge_intervals
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-linked-list
Flatten Binary Tree to Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0114_flatten_binary_tree_to_linked_list
Swap Nodes in Pairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs
Linked List Cycle II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii
Linked List Cycle	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0141_linked_list_cycle
Reverse Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0206_reverse_linked_list
Merge Two Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists
Intersection of Two Linked Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists
Palindrome Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0234_palindrome_linked_list
Copy List with Random Pointer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer
Reverse Nodes in k-Group	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group
LRU Cache	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0146_lru_cache
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-tree-stack-queue
Binary Tree Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal
Binary Tree Level Order Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal
Diameter of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0501_0600/s0543_diameter_of_binary_tree
Invert Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0226_invert_binary_tree
Maximum Depth of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree
Binary Tree Maximum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0124_binary_tree_maximum_path_sum
Validate Binary Search Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0098_validate_binary_search_tree
Lowest Common Ancestor of a Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-trie-and-heap
Implement Trie (Prefix Tree)	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-graph
Number of Islands	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0200_number_of_islands
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-dynamic-programming
Word Break	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0139_word_break
Maximum Product Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0152_maximum_product_subarray
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
Climbing Stairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0070_climbing_stairs
Minimum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0064_minimum_path_sum
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
Longest Common Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g1101_1200/s1143_longest_common_subsequence
Edit Distance	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0072_edit_distance
Regular Expression Matching	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0010_regular_expression_matching
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-backtrackingrecursion
Generate Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0022_generate_parentheses
Combination Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0039_combination_sum
Subsets	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0078_subsets
Letter Combinations of a Phone Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number
Permutations	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0046_permutations
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-bit-manipulation
Counting Bits	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0338_counting_bits
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#udemy-design
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-arraystring
Majority Element	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0169_majority_element
Rotate Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0189_rotate_array
Best Time to Buy and Sell Stock	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock
Jump Game	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0055_jump_game
Jump Game II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0045_jump_game_ii
Product of Array Except Self	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0238_product_of_array_except_self
Trapping Rain Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0042_trapping_rain_water
Zigzag Conversion	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0006_zigzag_conversion
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-two-pointers
Container With Most Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0011_container_with_most_water
3Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0015_3sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-sliding-window
Longest Substring Without Repeating Characters	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters
Minimum Window Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0076_minimum_window_substring
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-matrix
Rotate Image	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0048_rotate_image
Set Matrix Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0073_set_matrix_zeroes
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-hashmap
Group Anagrams	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0049_group_anagrams
Two Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0001_two_sum
Longest Consecutive Sequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0128_longest_consecutive_sequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-intervals
Merge Intervals	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0056_merge_intervals
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-stack
Valid Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0020_valid_parentheses
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-linked-list
Linked List Cycle	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0141_linked_list_cycle
Add Two Numbers	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0002_add_two_numbers
Merge Two Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists
Copy List with Random Pointer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer
Reverse Nodes in k-Group	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group
Remove Nth Node From End of List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list
LRU Cache	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0146_lru_cache
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-binary-tree-general
Maximum Depth of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree
Invert Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0226_invert_binary_tree
Symmetric Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0101_symmetric_tree
Construct Binary Tree from Preorder and Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal
Flatten Binary Tree to Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0114_flatten_binary_tree_to_linked_list
Binary Tree Maximum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0124_binary_tree_maximum_path_sum
Lowest Common Ancestor of a Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-binary-tree-bfs
Binary Tree Level Order Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-binary-search-tree
Kth Smallest Element in a BST	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst
Validate Binary Search Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0098_validate_binary_search_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-graph-general
Number of Islands	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0200_number_of_islands
Course Schedule	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0207_course_schedule
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-graph-bfs
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-trie
Implement Trie (Prefix Tree)	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-backtracking
Letter Combinations of a Phone Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number
Permutations	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0046_permutations
Combination Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0039_combination_sum
Generate Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0022_generate_parentheses
Word Search	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0079_word_search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-divide-and-conquer
Sort List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0148_sort_list
Merge k Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0023_merge_k_sorted_lists
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-kadanes-algorithm
Maximum Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0053_maximum_subarray
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-binary-search
Search Insert Position	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0035_search_insert_position
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
Search in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array
Find First and Last Position of Element in Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array
Find Minimum in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array
Median of Two Sorted Arrays	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0004_median_of_two_sorted_arrays
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-heap
Kth Largest Element in an Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0215_kth_largest_element_in_an_array
Find Median from Data Stream	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0295_find_median_from_data_stream
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-bit-manipulation
Single Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0136_single_number
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-math
Palindrome Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0009_palindrome_number
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-1d-dp
Climbing Stairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0070_climbing_stairs
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
Word Break	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0139_word_break
Coin Change	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0322_coin_change
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#top-interview-150-multidimensional-dp
Minimum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0064_minimum_path_sum
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
Edit Distance	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0072_edit_distance
Maximal Square	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0221_maximal_square
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#data-structure-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-array
Maximum Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0053_maximum_subarray
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-array
Two Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0001_two_sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-array
Best Time to Buy and Sell Stock	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-array
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-string
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-linked-list
Linked List Cycle	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0141_linked_list_cycle
Merge Two Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-linked-list
Reverse Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0206_reverse_linked_list
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-stack-queue
Valid Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0020_valid_parentheses
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-tree
Binary Tree Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-tree
Binary Tree Level Order Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal
Maximum Depth of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree
Symmetric Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0101_symmetric_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-tree
Invert Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0226_invert_binary_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-tree
Validate Binary Search Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0098_validate_binary_search_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#data-structure-ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-array-1
Single Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0136_single_number
Majority Element	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0169_majority_element
3Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0015_3sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-array-1
Sort Colors	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0075_sort_colors
Merge Intervals	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0056_merge_intervals
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-array-1
Rotate Image	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0048_rotate_image
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-array-1
Search a 2D Matrix II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-array-1
Product of Array Except Self	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0238_product_of_array_except_self
Subarray Sum Equals K	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0501_0600/s0560_subarray_sum_equals_k
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-string-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-string
Partition Labels	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0701_0800/s0763_partition_labels
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-string
Group Anagrams	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0049_group_anagrams
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-string
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-linked-list
Add Two Numbers	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0002_add_two_numbers
Linked List Cycle II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-linked-list
Intersection of Two Linked Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-linked-list
Swap Nodes in Pairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-linked-list
Reverse Nodes in k-Group	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-stack-queue
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15-tree-1
Construct Binary Tree from Preorder and Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16-tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17-tree
Kth Smallest Element in a BST	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18-tree
Lowest Common Ancestor of a Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19-graph
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20-heap-priority-queue
Kth Largest Element in an Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0215_kth_largest_element_in_an_array
Top K Frequent Elements	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0347_top_k_frequent_elements
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-21-heap-priority-queue
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#algorithm-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-binary-search
Search Insert Position	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0035_search_insert_position
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-two-pointers
Rotate Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0189_rotate_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-two-pointers
Move Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0283_move_zeroes
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-two-pointers
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-two-pointers
Remove Nth Node From End of List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-sliding-window
Longest Substring Without Repeating Characters	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-breadth-first-search-depth-first-search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-breadth-first-search-depth-first-search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-breadth-first-search-depth-first-search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-recursion-backtracking
Merge Two Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists
Reverse Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0206_reverse_linked_list
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-recursion-backtracking
Permutations	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0046_permutations
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-dynamic-programming-1
Climbing Stairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0070_climbing_stairs
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-bit-manipulation
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-bit-manipulation
Single Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0136_single_number
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#algorithm-ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-binary-search-1
Find First and Last Position of Element in Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array
Search in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-binary-search
Find Minimum in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-two-pointers-1
3Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0015_3sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-two-pointers-1
Container With Most Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0011_container_with_most_water
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-sliding-window
Find All Anagrams in a String	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-breadth-first-search-depth-first-search
Number of Islands	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0200_number_of_islands
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-breadth-first-search-depth-first-search-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-breadth-first-search-depth-first-search-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-recursion-backtracking
Subsets	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0078_subsets
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-recursion-backtracking-1
Combination Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0039_combination_sum
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-recursion-backtracking-1
Letter Combinations of a Phone Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number
Generate Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0022_generate_parentheses
Word Search	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0079_word_search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-dynamic-programming-2
Jump Game	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0055_jump_game
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-dynamic-programming-1
Jump Game II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0045_jump_game_ii
Unique Paths	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0062_unique_paths
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-dynamic-programming
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15-dynamic-programming
Word Break	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0139_word_break
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16-dynamic-programming
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17-dynamic-programming
Longest Common Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g1101_1200/s1143_longest_common_subsequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18-dynamic-programming
Edit Distance	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0072_edit_distance
Coin Change	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0322_coin_change
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19-bit-manipulation
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20-others
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-21-others
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#binary-search-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2
Search Insert Position	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0035_search_insert_position
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5
Find First and Last Position of Element in Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11
Search in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12
Find Minimum in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#binary-search-ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-1
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-1
Find the Duplicate Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0287_find_the_duplicate_number
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-1
Search a 2D Matrix II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#dynamic-programming-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-2
Climbing Stairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0070_climbing_stairs
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-2
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-2
Jump Game	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0055_jump_game
Jump Game II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0045_jump_game_ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-2
Maximum Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0053_maximum_subarray
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-2
Maximum Product Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0152_maximum_product_subarray
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-2
Best Time to Buy and Sell Stock	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-2
Word Break	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0139_word_break
Trapping Rain Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0042_trapping_rain_water
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-2
Unique Binary Search Trees	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0096_unique_binary_search_trees
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15-1
Unique Paths	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0062_unique_paths
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16-1
Minimum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0064_minimum_path_sum
Maximal Square	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0221_maximal_square
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17-1
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18-1
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19-1
Longest Common Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g1101_1200/s1143_longest_common_subsequence
Edit Distance	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0072_edit_distance
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20-1
Coin Change	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0322_coin_change
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-21
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#programming-skills-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-basic-data-type
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-operator
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-conditional-statements
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-loop
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-function
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-array
Move Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0283_move_zeroes
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-array
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-string-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-string-1
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-linked-list-and-tree
Maximum Depth of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-containers-and-libraries
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-class-and-object
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#programming-skills-ii
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-3
Daily Temperatures	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0701_0800/s0739_daily_temperatures
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-3
Rotate Image	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0048_rotate_image
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-3
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-3
Group Anagrams	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0049_group_anagrams
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-3
Find All Anagrams in a String	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-2
Copy List with Random Pointer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-15-2
Add Two Numbers	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0002_add_two_numbers
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-16-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-17-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-18-2
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-19-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-20-2
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#graph-theory-i
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-1-matrix-related-problems
Number of Islands	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0200_number_of_islands
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-2-matrix-related-problems
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-3-matrix-related-problems
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-4-matrix-related-problems
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-5-matrix-related-problems
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-6-matrix-related-problems
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-7-standard-traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-8-standard-traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-9-standard-traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-10-standard-traversal
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-11-breadth-first-search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-12-breadth-first-search
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-13-graph-theory
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#day-14-graph-theory
	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#algorithms
Longest Common Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g1101_1200/s1143_longest_common_subsequence
Partition Labels	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0701_0800/s0763_partition_labels
Daily Temperatures	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0701_0800/s0739_daily_temperatures
Palindromic Substrings	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0601_0700/s0647_palindromic_substrings
Subarray Sum Equals K	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0501_0600/s0560_subarray_sum_equals_k
Diameter of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0501_0600/s0543_diameter_of_binary_tree
Target Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0494_target_sum
Find All Anagrams in a String	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string
Path Sum III	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0437_path_sum_iii
Partition Equal Subset Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0401_0500/s0416_partition_equal_subset_sum
Decode String	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0394_decode_string
Top K Frequent Elements	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0347_top_k_frequent_elements
Counting Bits	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0338_counting_bits
Coin Change	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0301_0400/s0322_coin_change
Longest Increasing Subsequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence
Find Median from Data Stream	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0295_find_median_from_data_stream
Find the Duplicate Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0287_find_the_duplicate_number
Move Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0283_move_zeroes
Search a 2D Matrix II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii
Sliding Window Maximum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0239_sliding_window_maximum
Product of Array Except Self	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0238_product_of_array_except_self
Lowest Common Ancestor of a Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree
Palindrome Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0234_palindrome_linked_list
Kth Smallest Element in a BST	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst
Invert Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0226_invert_binary_tree
Maximal Square	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0221_maximal_square
Kth Largest Element in an Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0215_kth_largest_element_in_an_array
Implement Trie (Prefix Tree)	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree
Course Schedule	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0207_course_schedule
Reverse Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0201_0300/s0206_reverse_linked_list
Number of Islands	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0200_number_of_islands
House Robber	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0198_house_robber
Rotate Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0189_rotate_array
Majority Element	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0169_majority_element
Intersection of Two Linked Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists
Min Stack	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0155_min_stack
Find Minimum in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array
Maximum Product Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0152_maximum_product_subarray
Sort List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0148_sort_list
LRU Cache	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0146_lru_cache
Linked List Cycle II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii
Linked List Cycle	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0141_linked_list_cycle
Word Break	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0139_word_break
Copy List with Random Pointer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer
Single Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0136_single_number
Palindrome Partitioning	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0131_palindrome_partitioning
Longest Consecutive Sequence	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0128_longest_consecutive_sequence
Binary Tree Maximum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0124_binary_tree_maximum_path_sum
Best Time to Buy and Sell Stock	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock
Flatten Binary Tree to Linked List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0114_flatten_binary_tree_to_linked_list
Construct Binary Tree from Preorder and Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal
Maximum Depth of Binary Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree
Binary Tree Level Order Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal
Symmetric Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0101_0200/s0101_symmetric_tree
Validate Binary Search Tree	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0098_validate_binary_search_tree
Unique Binary Search Trees	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0096_unique_binary_search_trees
Binary Tree Inorder Traversal	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal
Largest Rectangle in Histogram	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0084_largest_rectangle_in_histogram
Word Search	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0079_word_search
Subsets	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0078_subsets
Minimum Window Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0076_minimum_window_substring
Sort Colors	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0075_sort_colors
Search a 2D Matrix	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0074_search_a_2d_matrix
Set Matrix Zeroes	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0073_set_matrix_zeroes
Edit Distance	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0072_edit_distance
Climbing Stairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0070_climbing_stairs
Minimum Path Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0064_minimum_path_sum
Unique Paths	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0062_unique_paths
Merge Intervals	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0056_merge_intervals
Jump Game	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0055_jump_game
Maximum Subarray	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0053_maximum_subarray
N-Queens	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0051_n_queens
Group Anagrams	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0049_group_anagrams
Rotate Image	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0048_rotate_image
Permutations	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0046_permutations
Jump Game II	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0045_jump_game_ii
Trapping Rain Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0042_trapping_rain_water
First Missing Positive	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0041_first_missing_positive
Combination Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0039_combination_sum
Search Insert Position	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0035_search_insert_position
Find First and Last Position of Element in Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array
Search in Rotated Sorted Array	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array
Longest Valid Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0032_longest_valid_parentheses
Next Permutation	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0031_next_permutation
Reverse Nodes in k-Group	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group
Swap Nodes in Pairs	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs
Merge k Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0023_merge_k_sorted_lists
Generate Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0022_generate_parentheses
Merge Two Sorted Lists	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists
Valid Parentheses	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0020_valid_parentheses
Remove Nth Node From End of List	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list
Letter Combinations of a Phone Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number
3Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0015_3sum
Container With Most Water	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0011_container_with_most_water
Regular Expression Matching	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0010_regular_expression_matching
Palindrome Number	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0009_palindrome_number
String to Integer (atoi)	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0008_string_to_integer_atoi
Reverse Integer	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0007_reverse_integer
Zigzag Conversion	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0006_zigzag_conversion
Longest Palindromic Substring	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0005_longest_palindromic_substring
Median of Two Sorted Arrays	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0004_median_of_two_sorted_arrays
Longest Substring Without Repeating Characters	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters
Add Two Numbers	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0002_add_two_numbers
Two Sum	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/blob/main/src/main/ruby/g0001_0100/s0001_two_sum
leetcode-in-ruby.github.io	https://leetcode-in-ruby.github.io
Readme	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#readme-ov-file
MIT license	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io#MIT-1-ov-file
Please reload this page	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io
Activity	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/activity
Custom properties	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/custom-properties
0 forks	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/forks
Report repository	https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2FLeetCode-in-Ruby%2FLeetCode-in-Ruby.github.io&report=LeetCode-in-Ruby+%28user%29
Releases	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/releases
Contributors	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io/graphs/contributors
Please reload this page	https://github.com/LeetCode-in-Ruby/LeetCode-in-Ruby.github.io
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Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

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