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Title: GitHub - hanfezh/leetcode: LeetCode OJ · GitHub

Open Graph Title: GitHub - hanfezh/leetcode: LeetCode OJ

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Description: LeetCode OJ. Contribute to hanfezh/leetcode development by creating an account on GitHub.

Open Graph Description: LeetCode OJ. Contribute to hanfezh/leetcode development by creating an account on GitHub.

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Links:

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README	https://github.com/hanfezh/leetcode
	https://github.com/hanfezh/leetcode#leetcode
	https://github.com/hanfezh/leetcode#how-to-build-c
	https://github.com/hanfezh/leetcode#problems--solutions
Two Sum	https://leetcode.com/problems/two-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/two_sum.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/two_sum.go
Add Two Numbers	https://leetcode.com/problems/add-two-numbers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_two_numbers.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_two_numbers.py
Longest Substring Without Repeating Characters	https://leetcode.com/problems/longest-substring-without-repeating-characters
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_substring.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_substring.py
Median of Two Sorted Arrays	https://leetcode.com/problems/median-of-two-sorted-arrays
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/median_sorted_arrays.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/median_sorted_arrays.go
Longest Palindromic Substring	https://leetcode.com/problems/longest-palindromic-substring
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_palindromic_substring.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_palindromic_substring.cpp
ZigZag Conversion	https://leetcode.com/problems/zigzag-conversion
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/zigzag_conversion.c
Reverse Integer	https://leetcode.com/problems/reverse-integer
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_integer.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_integer.py
String to Integer (atoi)	https://leetcode.com/problems/string-to-integer-atoi
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/atoi.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/atoi.py
Palindrome Number	https://leetcode.com/problems/palindrome-number
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/palindrome_number.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/palindrome_number.py
Regular Expression Matching	https://leetcode.com/problems/regular-expression-matching
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/regular_expression_matching.cpp
Container With Most Water	https://leetcode.com/problems/container-with-most-water
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/container_with_most_water.cpp
Integer to Roman	https://leetcode.com/problems/integer-to-roman
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/integer_to_roman.cpp
Roman to Integer	https://leetcode.com/problems/roman-to-integer
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/roman_to_integer.cpp
Longest Common Prefix	https://leetcode.com/problems/longest-common-prefix
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_common_prefix.cpp
3Sum	https://leetcode.com/problems/3sum
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/three_sum.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/three_sum.cpp
3Sum Closest	https://leetcode.com/problems/3sum-closest
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/three_sum_closest.cpp
Letter Combinations of a Phone Number	https://leetcode.com/problems/letter-combinations-of-a-phone-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/letter_combinations.cpp
4Sum	https://leetcode.com/problems/4sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/four_sum.cpp
Remove Nth Node From End of List	https://leetcode.com/problems/remove-nth-node-from-end-of-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_nth_from_end.cpp
Valid Parentheses	https://leetcode.com/problems/valid-parentheses
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_parentheses.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_parentheses.py
Merge Two Sorted Lists	https://leetcode.com/problems/merge-two-sorted-lists
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/merge_two_lists.c
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/merge_two_lists.py
Generate Parentheses	https://leetcode.com/problems/generate-parentheses
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/generate_parentheses.cpp
Merge k Sorted Lists	https://leetcode.com/problems/merge-k-sorted-lists
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/merge_k_sorted_lists.cpp
Swap Nodes in Pairs	https://leetcode.com/problems/swap-nodes-in-pairs
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/swap_nodes_in_pairs.cpp
Reverse Nodes in k-Group	https://leetcode.com/problems/reverse-nodes-in-k-group
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_nodes_in_k_group.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_nodes_in_k_group.py
Remove Duplicates from Sorted Array	https://leetcode.com/problems/remove-duplicates-from-sorted-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates.py
Remove Element	https://leetcode.com/problems/remove-element
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_element.py
Implement strStr()	https://leetcode.com/problems/implement-strstr
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/str_str.cpp
Divide Two Integers	https://leetcode.com/problems/divide-two-integers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/divide_two_integers.cpp
Substring with Concatenation of All Words	https://leetcode.com/problems/substring-with-concatenation-of-all-words
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/substring_with_concatenation_words.cpp
Next Permutation	https://leetcode.com/problems/next-permutation
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/next_permutation.cpp
Longest Valid Parentheses	https://leetcode.com/problems/longest-valid-parentheses
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_valid_parentheses.cpp
Search in Rotated Sorted Array	https://leetcode.com/problems/search-in-rotated-sorted-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/search_in_rotated_sorted_array.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/search_in_rotated_sorted_array.go
Find First and Last Position of Element in Sorted Array	https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/position_in_sorted_array.cpp
Search Insert Position	https://leetcode.com/problems/search-insert-position
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/search_insert_position.cpp
Valid Sudoku	https://leetcode.com/problems/valid-sudoku
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_sudoku.cpp
Count and Say	https://leetcode.com/problems/count-and-say
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_and_say.cpp
Combination Sum	https://leetcode.com/problems/combination-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/combination_sum.cpp
Combination Sum II	https://leetcode.com/problems/combination-sum-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/combination_sum2.cpp
First Missing Positive	https://leetcode.com/problems/first-missing-positive
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/first_missing_positive.cpp
Trapping Rain Water	https://leetcode.com/problems/trapping-rain-water
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/trapping_rain_water.cpp
Multiply Strings	https://leetcode.com/problems/multiply-strings
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/multiply_strings.cpp
Wildcard Matching	https://leetcode.com/problems/wildcard-matching
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/wildcard_matching.cpp
Permutations	https://leetcode.com/problems/permutations
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/permutations.cpp
Permutations II	https://leetcode.com/problems/permutations-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/permutations2.cpp
Rotate Image	https://leetcode.com/problems/rotate-image
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_image.cpp
Group Anagrams	https://leetcode.com/problems/group-anagrams
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/group_anagrams.cpp
Pow(x, n)	https://leetcode.com/problems/powx-n
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/pow.cpp
Maximum Subarray	https://leetcode.com/problems/maximum-subarray
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_subarray.cpp
Spiral Matrix	https://leetcode.com/problems/spiral-matrix
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/spiral_matrix.cpp
Jump Game	https://leetcode.com/problems/jump-game
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/jump_game.cpp
Merge Intervals	https://leetcode.com/problems/merge-intervals
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/merge_intervals.cpp
Insert Interval	https://leetcode.com/problems/insert-interval
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/insert_interval.cpp
Length of Last Word	https://leetcode.com/problems/length-of-last-word
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/length_of_last_word.cpp
Spiral Matrix II	https://leetcode.com/problems/spiral-matrix-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/spiral_matrix2.cpp
Permutation Sequence	https://leetcode.com/problems/permutation-sequence
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/permutation_sequence.cpp
Rotate List	https://leetcode.com/problems/rotate-list/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_list.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_list.py
Unique Paths	https://leetcode.com/problems/unique-paths
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_paths.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_paths.cpp
Unique Paths II	https://leetcode.com/problems/unique-paths-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_paths2.cpp
Minimum Path Sum	https://leetcode.com/problems/minimum-path-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_path_sum.cpp
Plus One	https://leetcode.com/problems/plus-one
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/plus_one.cpp
Add Binary	https://leetcode.com/problems/add-binary/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_binary.cpp
Sqrt(x)	https://leetcode.com/problems/sqrtx
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sqrt.cpp
Climbing Stairs	https://leetcode.com/problems/climbing-stairs/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/climbing_stairs.cpp
Simplify Path	https://leetcode.com/problems/simplify-path
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/simplify_path.cpp
Edit Distance	https://leetcode.com/problems/edit-distance
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/edit_distance.cpp
Set Matrix Zeroes	https://leetcode.com/problems/set-matrix-zeroes
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/set_matrix_zeroes.cpp
Search a 2D Matrix	https://leetcode.com/problems/search-a-2d-matrix
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/search_2d_matrix.cpp
Sort Colors	https://leetcode.com/problems/sort-colors
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_colors.cpp
Minimum Window Substring	https://leetcode.com/problems/minimum-window-substring/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_window.cpp
Combinations	https://leetcode.com/problems/combinations
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/combinations.cpp
Subsets	https://leetcode.com/problems/subsets
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/subsets.cpp
Word Search	https://leetcode.com/problems/word-search
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/word_search.cpp
Remove Duplicates from Sorted Array II	https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates_from_array2.cpp
Search in Rotated Sorted Array II	https://leetcode.com/problems/search-in-rotated-sorted-array-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/search_in_rotated_sorted_array2.cpp
Remove Duplicates from Sorted List II	https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates_from_list2.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates_from_list2.py
Remove Duplicates from Sorted List	https://leetcode.com/problems/remove-duplicates-from-sorted-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_duplicates_from_list.cpp
Partition List	https://leetcode.com/problems/partition-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/partition_list.cpp
Merge Sorted Array	https://leetcode.com/problems/merge-sorted-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/merge_sorted_array.cpp
Gray Code	https://leetcode.com/problems/gray-code
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/gray_code.cpp
Subsets II	https://leetcode.com/problems/subsets-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/subsets2.cpp
Decode Ways	https://leetcode.com/problems/decode-ways
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/decode_ways.cpp
Reverse Linked List II	https://leetcode.com/problems/reverse-linked-list-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_linked_list2.cpp
Restore IP Addresses	https://leetcode.com/problems/restore-ip-addresses
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/restore_ip_addresses.cpp
Binary Tree Inorder Traversal	https://leetcode.com/problems/binary-tree-inorder-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_inorder_traversal.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_inorder_traversal.go
Unique Binary Search Trees II	https://leetcode.com/problems/unique-binary-search-trees-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_binary_search_trees2.cpp
Unique Binary Search Trees	https://leetcode.com/problems/unique-binary-search-trees
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_binary_search_trees.cpp
Validate Binary Search Tree	https://leetcode.com/problems/validate-binary-search-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/validate_binary_search_tree.cpp
Recover Binary Search Tree	https://leetcode.com/problems/recover-binary-search-tree/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/recover_binary_search_tree.cpp
Same Tree	https://leetcode.com/problems/same-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/same_tree.cpp
Symmtric Tree	https://leetcode.com/problems/symmetric-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/symmetric_tree.cpp
Binary Tree Level Order Traversal	https://leetcode.com/problems/binary-tree-level-order-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_level_order_traversal.cpp
Binary Tree Zigzag Level Order Traversal	https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_zigzag_order_traversal.cpp
Maximum Depth of Binary Tree	https://leetcode.com/problems/maximum-depth-of-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_depth.cpp
Construct Binary Tree from Preorder and Inorder Traversal	https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/construct_binary_tree_from_preorder.cpp
Construct Binary Tree from Inorder and Postorder Traversal	https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/construct_binary_tree_from_postorder.cpp
Binary Tree Level Order Traversal II	https://leetcode.com/problems/binary-tree-level-order-traversal-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_level_order_traversal2.cpp
Convert Sorted Array to Binary Search Tree	https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/convert_sorted_array_to_bst.cpp
Convert Sorted List to Binary Search Tree	https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/convert_sorted_list_to_bst.cpp
Balanced Binary Tree	https://leetcode.com/problems/balanced-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/balanced_binary_tree.cpp
Minimum Depth of Binary Tree	https://leetcode.com/problems/minimum-depth-of-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_depth_of_binary_tree.cpp
Path Sum	https://leetcode.com/problems/path-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/path_sum.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/path_sum.py
Path Sum II	https://leetcode.com/problems/path-sum-ii
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/path_sum2.py
Flatten Binary Tree to Linked List	https://leetcode.com/problems/flatten-binary-tree-to-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/flatten_binary_tree_to_linked_list.cpp
Distinct Subsequences	https://leetcode.com/problems/distinct-subsequences
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/distinct_subsequences.cpp
Populating Next Right Pointers in Each Node	https://leetcode.com/problems/populating-next-right-pointers-in-each-node
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/populating_next_right_pointers.cpp
Populating Next Right Pointers in Each Node II	https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/populating_next_right_pointers2.cpp
Pascal's Triangle	https://leetcode.com/problems/pascals-triangle
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/pascal_triangle.cpp
Pascal's Triangle II	https://leetcode.com/problems/pascals-triangle-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/pascal_triangle2.cpp
Triangle	https://leetcode.com/problems/triangle
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/triangle.cpp
Best Time to Buy and Sell Stock	https://leetcode.com/problems/best-time-to-buy-and-sell-stock
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_profit.cpp
Best Time to Buy and Sell Stock II	https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_profit2.cpp
Best Time to Buy and Sell Stock III	https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_profit3.cpp
Binary Tree Maximum Path Sum	https://leetcode.com/problems/binary-tree-maximum-path-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_maximum_path_sum.cpp
Valid Palindrome	https://leetcode.com/problems/valid-palindrome
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_palindrome.cpp
Word Ladder II	https://leetcode.com/problems/word-ladder-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/word_ladder2.cpp
Word Ladder	https://leetcode.com/problems/word-ladder
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/word_ladder.cpp
Longest Consecutive Sequence	https://leetcode.com/problems/longest-consecutive-sequence
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_consecutive_sequence.cpp
Sum Root to Leaf Numbers	https://leetcode.com/problems/sum-root-to-leaf-numbers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sum_root_to_leaf_numbers.cpp
Surrounded Regions	https://leetcode.com/problems/surrounded-regions
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/surrounded_regions.cpp
Palindrome Partitioning	https://leetcode.com/problems/palindrome-partitioning
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/palindrome_partitioning.cpp
Clone Graph	https://leetcode.com/problems/clone-graph/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/clone_graph.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/clone_graph.py
Single Number	https://leetcode.com/problems/single-number
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/single_number.py
Single Number II	https://leetcode.com/problems/single-number-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/single_number2.cpp
Copy List with Random Pointer	https://leetcode.com/problems/copy-list-with-random-pointer
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/copy_list_with_random_pointer.cpp
Word Break	https://leetcode.com/problems/word-break/submissions
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/word_break.cpp
Word Break II	https://leetcode.com/problems/word-break-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/word_break2.cpp
Linked List Cycle	https://leetcode.com/problems/linked-list-cycle
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/linked_list_cycle.cpp
Linked List Cycle II	https://leetcode.com/problems/linked-list-cycle-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/linked_list_cycle2.cpp
Reorder List	https://leetcode.com/problems/reorder-list
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/reorder_list.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reorder_list.cpp
Binary Tree Preorder Traversal	https://leetcode.com/problems/binary-tree-preorder-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_preorder_traversal.cpp
Binary Tree Postorder Traversal	https://leetcode.com/problems/binary-tree-postorder-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_postorder_traversal.cpp
LRU Cache	https://leetcode.com/problems/lru-cache
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/lru_cache.cpp
Insertion Sort List	https://leetcode.com/problems/insertion-sort-list
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/insertion_sort_list.c
Sort List	https://leetcode.com/problems/sort-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_list.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_list.py
Max Points on a Line	https://leetcode.com/problems/max-points-on-a-line
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_points.cpp
Evaluate Reverse Polish Notation	https://leetcode.com/problems/evaluate-reverse-polish-notation/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/eval_rpn.cpp
Reverse Words in a String	https://leetcode.com/problems/reverse-words-in-a-string
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_words.cpp
Maximum Product Subarray	https://leetcode.com/problems/maximum-product-subarray
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_product_subarray.cpp
Find Minimum in Rotated Sorted Array	https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_minimum.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_minimum.cpp
Find Minimum in Rotated Sorted Array II	https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_minimum2.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_minimum2.cpp
Min Stack	https://leetcode.com/problems/min-stack
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_stack.cpp
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_stack.py
Intersection of Two Linked Lists	https://leetcode.com/problems/intersection-of-two-linked-lists
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/intersection_of_linked_lists.cpp
Find Peak Element	https://leetcode.com/problems/find-peak-element
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_peak_element.cpp
Missing Ranges	https://leetcode.com/problems/missing-ranges/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/missing_ranges.cpp
Maximum Gap	https://leetcode.com/problems/maximum-gap/description/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_gap.cpp
Compare Version Numbers	https://leetcode.com/problems/compare-version-numbers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/compare_version_numbers.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/compare_version_numbers.py
Two Sum II - Input array is sorted	https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/two_sum2.cpp
Excel Sheet Column Title	https://leetcode.com/problems/excel-sheet-column-title
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/excel_sheet_column_title.cpp
Majority Element	https://leetcode.com/problems/majority-element
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/majority_element.cpp
Excel Sheet Column Number	https://leetcode.com/problems/excel-sheet-column-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/excel_sheet_column_number.cpp
Binary Search Tree Iterator	https://leetcode.com/problems/binary-search-tree-iterator
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_search_tree_iterator.cpp
Combine Two Tables	https://leetcode.com/problems/combine-two-tables
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/combine_two_tables.sql
Second Highest Salary	https://leetcode.com/problems/second-highest-salary
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/second_highest_salary.sql
Nth Highest Salary	https://leetcode.com/problems/nth-highest-salary
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/nth_highest_salary.sql
Rank Scores	https://leetcode.com/problems/rank-scores/
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/rank_scores.sql
Largest Number	https://leetcode.com/problems/largest-number
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/largest_number.py
Rotate Array	https://leetcode.com/problems/rotate-array
C	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_array.c
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_array.cpp
Rising Temperature	https://leetcode.com/problems/rising-temperature
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/rising_temperature.sql
Reverse Bits	https://leetcode.com/problems/reverse-bits
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_bits.cpp
Number of 1 Bits	https://leetcode.com/problems/number-of-1-bits
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/number_of_bits.cpp
Word Frequency	https://leetcode.com/problems/word-frequency
Bash	https://github.com/hanfezh/leetcode/blob/master/shell/word_frequency.sh
Valid Phone Numbers	https://leetcode.com/problems/valid-phone-numbers
Bash	https://github.com/hanfezh/leetcode/blob/master/shell/valid_phone_numbers.sh
Transpose File	https://leetcode.com/problems/transpose-file
Bash	https://github.com/hanfezh/leetcode/blob/master/shell/transpose_file.sh
Tenth Line	https://leetcode.com/problems/tenth-line
Bash	https://github.com/hanfezh/leetcode/blob/master/shell/tenth_line.sh
Delete Duplicate Emails	https://leetcode.com/problems/delete-duplicate-emails
MySQL	https://github.com/hanfezh/leetcode/blob/master/database/delete_duplicate_emails.sql
House Robber	https://leetcode.com/problems/house-robber
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/house_robber.cpp
Binary Tree Right Side View	https://leetcode.com/problems/binary-tree-right-side-view
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_right_side_view.cpp
Number of Islands	https://leetcode.com/problems/number-of-islands
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/number_of_islands.cpp
Happy Number	https://leetcode.com/problems/happy-number
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/happy_number.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/happy_number.go
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/happy_number.py
Remove Linked List Elements	https://leetcode.com/problems/remove-linked-list-elements
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_linked_list_elements.cpp
Count Primes	https://leetcode.com/problems/count-primes
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_primes.cpp
Isomorphic Strings	https://leetcode.com/problems/isomorphic-strings
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/isomorphic_strings.go
Reverse Linked List	https://leetcode.com/problems/reverse-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_linked_list.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_linked_list.py
Course Schedule	https://leetcode.com/problems/course-schedule/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/course_schedule.cpp
Implement Trie (Prefix Tree)	https://leetcode.com/problems/implement-trie-prefix-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/implement_trie.cpp
Minimum Size Subarray Sum	https://leetcode.com/problems/minimum-size-subarray-sum/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_subarray_len.cpp
Kth Largest Element in an Array	https://leetcode.com/problems/kth-largest-element-in-an-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_kth_larguest.cpp
Combination Sum III	https://leetcode.com/problems/combination-sum-iii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/combination_sum3.cpp
Contains Duplicate	https://leetcode.com/problems/contains-duplicate
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/contains_duplicate.cpp
Contains Duplicate II	https://leetcode.com/problems/contains-duplicate-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/contains_duplicate2.cpp
Contains Duplicate III	https://leetcode.com/problems/contains-duplicate-iii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/contains_duplicate3.cpp
Maximal Square	https://leetcode.com/problems/maximal-square/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximal_square.cpp
Count Complete Tree Nodes	https://leetcode.com/problems/count-complete-tree-nodes/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_complete_tree_nodes.cpp
Basic Calculator	https://leetcode.com/problems/basic-calculator/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/basic_calculator.cpp
Implement Stack using Queues	https://leetcode.com/problems/implement-stack-using-queues
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/implement_stack_using_queues.cpp
Invert Binary Tree	https://leetcode.com/problems/invert-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/invert_binary_tree.cpp
Basic Calculator II	https://leetcode.com/problems/basic-calculator-ii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/basic_calculator2.cpp
Summary Ranges	https://leetcode.com/problems/summary-ranges/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/summary_ranges.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/summary_ranges.py
Kth Smallest Element in a BST	https://leetcode.com/problems/kth-smallest-element-in-a-bst/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/kth_smallest_element.cpp
Implement Queue using Stacks	https://leetcode.com/problems/implement-queue-using-stacks
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/implement_queue_using_stacks.cpp
Palindrome Linked List	https://leetcode.com/problems/palindrome-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/palindrome_linked_list.cpp
Lowest Common Ancestor of a Binary Search Tree	https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/lowest_common_ancestor_bst.cpp
Lowest Common Ancestor of a Binary Tree	https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/lowest_common_ancestor.cpp
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/lowest_common_ancestor.go
Delete Node in a Linked List	https://leetcode.com/problems/delete-node-in-a-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/delete_node_in_linked_list.cpp
Product of Array Except Self	https://leetcode.com/problems/product-of-array-except-self/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/product_except_self.cpp
Valid Anagram	https://leetcode.com/problems/valid-anagram
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_anagram.cpp
Binary Tree Paths	https://leetcode.com/problems/binary-tree-paths
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_paths.cpp
Add Digits	https://leetcode.com/problems/add-digits/
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_digits.py
Ugly Number	https://leetcode.com/problems/ugly-number
Python	https://github.com/hanfezh/leetcode/blob/master/algorithms/ugly_number.py
Missing Number	https://leetcode.com/problems/missing-number
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/missing_number.cpp
H-Index	https://leetcode.com/problems/h-index/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/h_index.cpp
First Bad Version	https://leetcode.com/problems/first-bad-version
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/first_bad_version.cpp
Move Zeroes	https://leetcode.com/problems/move-zeroes
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/move_zeroes.cpp
Walls and Gates	https://leetcode.com/problems/walls-and-gates/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/walls_and_gates.cpp
Find the Duplicate Number	https://leetcode.com/problems/find-the-duplicate-number
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_the_duplicate_number.cpp
Nim Game	https://leetcode.com/problems/nim-game
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/nim_game.cpp
Find Median from Data Stream	https://leetcode.com/problems/find-median-from-data-stream/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/median_finder.cpp
Serialize and Deserialize Binary Tree	https://leetcode.com/problems/serialize-and-deserialize-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/serialize_binary_tree.cpp
Longest Increasing Subsequence	https://leetcode.com/problems/longest-increasing-subsequence
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_increasing_subsequence.cpp
Range Sum Query - Immutable	https://leetcode.com/problems/range-sum-query-immutable/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/range_sum_query.cpp
Coin Change	https://leetcode.com/problems/coin-change/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/coin_change.cpp
Power of Three	https://leetcode.com/problems/power-of-three
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/power_of_three.cpp
Odd Even Linked List	https://leetcode.com/problems/odd-even-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/odd_even_linked_list.cpp
Longest Increasing Path in a Matrix	https://leetcode.com/problems/longest-increasing-path-in-a-matrix/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_increasing_path.cpp
Increasing Triplet Subsequence	https://leetcode.com/problems/increasing-triplet-subsequence
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/increasing_triplet_subsequence.cpp
Counting Bits	https://leetcode.com/problems/counting-bits/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_bits.cpp
Reverse String	https://leetcode.com/problems/reverse-string
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_string.cpp
Top K Frequent Elements	https://leetcode.com/problems/top-k-frequent-elements/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/top_k_frequent_elements.cpp
Design Tic-Tac-Toe	https://leetcode.com/problems/design-tic-tac-toe/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/tic_tac_toe.cpp
Intersection of Two Arrays	https://leetcode.com/problems/intersection-of-two-arrays
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/intersection_of_two_arrays.cpp
Intersection of Two Arrays II	https://leetcode.com/problems/intersection-of-two-arrays-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/intersection_of_two_arrays2.cpp
Valid Perfect Square	https://leetcode.com/problems/valid-perfect-square
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_perfect_square.cpp
Largest Divisible Subset	https://leetcode.com/problems/largest-divisible-subset/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/largest_divisible_subset.cpp
Sum of Two Integers	https://leetcode.com/problems/sum-of-two-integers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sum_of_two_integers.cpp
Guess Number Higher or Lower	https://leetcode.com/problems/guess-number-higher-or-lower
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/guess_number_higher_or_lower.cpp
Combination Sum IV	https://leetcode.com/problems/combination-sum-iv
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/combination_sum4.cpp
Linked List Random Node	https://leetcode.com/problems/linked-list-random-node/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/linked_list_random_node.cpp
Ransom Note	https://leetcode.com/problems/ransom-note/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/ransom_note.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/ransom_note.py
Shuffle an Array	https://leetcode.com/problems/shuffle-an-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/shuffle_an_array.cpp
Lexicographical Numbers	https://leetcode.com/problems/lexicographical-numbers
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/lexicographical_numbers.cpp
First Unique Character in a String	https://leetcode.com/problems/first-unique-character-in-a-string
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/first_unique_character.cpp
Find the Difference	https://leetcode.com/problems/find-the-difference/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_the_difference.cpp
Is Subsequence	https://leetcode.com/problems/is-subsequence/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/is_subsequence.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/is_subsequence.py
Integer Replacement	https://leetcode.com/problems/integer-replacement
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/integer_replacement.cpp
Sum of Left Leaves	https://leetcode.com/problems/sum-of-left-leaves
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sum_of_left_leaves.cpp
Longest Palindrome	https://leetcode.com/problems/longest-palindrome/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_palindrome.cpp
Split Array Largest Sum	https://leetcode.com/problems/split-array-largest-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/split_array_largest_sum.cpp
Fizz Fuzz	https://leetcode.com/problems/fizz-buzz
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/fizz_buzz.cpp
Third Maximum Number	https://leetcode.com/problems/third-maximum-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/third_maximum_number.cpp
Add Strings	https://leetcode.com/problems/add-strings
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_strings.cpp
Battleships in a Board	https://leetcode.com/problems/battleships-in-a-board/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_battleships.cpp
N-ary Tree Level Order Traversal	https://leetcode.com/problems/n-ary-tree-level-order-traversal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/nary_tree_level_order_traversal.cpp
Flatten a Multilevel Doubly Linked List	https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/flatten_multilevel_linked_list.cpp
Path Sum III	https://leetcode.com/problems/path-sum-iii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/path_sum3.cpp
Find All Duplicates in an Array	https://leetcode.com/problems/find-all-duplicates-in-an-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_duplicates.cpp
String Compression	https://leetcode.com/problems/string-compression
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/string_compression.cpp
Find All Numbers Disappeared in an Array	https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_disappeared_numbers.cpp
Sort Characters By Frequency	https://leetcode.com/problems/sort-characters-by-frequency/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_characters_by_frequency.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_characters_by_frequency.py
Minimum Number of Arrows to Burst Balloons	https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_arrow_shots.cpp
Python3	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_arrow_shots.py
Assign Cookies	https://leetcode.com/problems/assign-cookies/description/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/assign_cookies.cpp
Hamming Distance	https://leetcode.com/problems/hamming-distance
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/hamming_distance.cpp
Total Hamming Distance	https://leetcode.com/problems/total-hamming-distance
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/total_hamming_distance.cpp
Sliding Window Median	https://leetcode.com/problems/sliding-window-median
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/median_sliding_window.cpp
Max Consecutive Ones	https://leetcode.com/problems/max-consecutive-ones
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_consecutive_ones.cpp
Max Consecutive Ones II	https://leetcode.com/problems/max-consecutive-ones-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_consecutive_ones2.cpp
Increasing Subsequences	https://leetcode.com/problems/increasing-subsequences
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/increasing_subsequences.cpp
Find Mode in Binary Search Tree	https://leetcode.com/problems/find-mode-in-binary-search-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_mode_in_binary_search_tree.cpp
Fibonacci Number	https://leetcode.com/problems/fibonacci-number
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/fibonacci_number.cpp
Continuous Subarray Sum	https://leetcode.com/problems/continuous-subarray-sum
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/continuous_subarray_sum.cpp
Longest Word in Dictionary through Deleting	https://leetcode.com/problems/longest-word-in-dictionary-through-deleting
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/longest_word_through_deleting.cpp
Random Pick with Weight	https://leetcode.com/problems/random-pick-with-weight/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/random_pick_index.cpp
Minimum Time Difference	https://leetcode.com/problems/minimum-time-difference/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_time_difference.cpp
Single Element in a Sorted Array	https://leetcode.com/problems/single-element-in-a-sorted-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/single_non_duplicate.cpp
Reverse String II	https://leetcode.com/problems/reverse-string-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/reverse_string2.cpp
01 Matrix	https://leetcode.com/problems/01-matrix/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/update_matrix.cpp
Diameter of Binary Tree	https://leetcode.com/problems/diameter-of-binary-tree/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/diameter_of_binary_tree.cpp
Student Attendance Record I	https://leetcode.com/problems/student-attendance-record-i/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/attendance_record1.cpp
Student Attendance Record II	https://leetcode.com/problems/student-attendance-record-ii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/attendance_record2.cpp
Subarray Sum Equals K	https://leetcode.com/problems/subarray-sum-equals-k
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/subarray_sum_equals_k.cpp
Binary Tree Tilt	https://leetcode.com/problems/binary-tree-tilt/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_tree_tilt.cpp
Permutation in String	https://leetcode.com/problems/permutation-in-string/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/permutation_in_string.cpp
Longest Harmonious Subsequence	https://leetcode.com/problems/longest-harmonious-subsequence/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_lhs.cpp
Minimum Index Sum of Two Lists	https://leetcode.com/problems/minimum-index-sum-of-two-lists
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_index_sum.cpp
Add One Row to Tree	https://leetcode.com/problems/add-one-row-to-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_one_row_to_tree.cpp
Maximum Product of Three Numbers	https://leetcode.com/problems/maximum-product-of-three-numbers/
Go	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_product_of_three_numbers.go
K Inverse Pairs Array	https://leetcode.com/problems/k-inverse-pairs-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/k_inverse_paris_array.cpp
Average of Levels in Binary Tree	https://leetcode.com/problems/average-of-levels-in-binary-tree/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/average_of_levels.cpp
Set Mismatch	https://leetcode.com/problems/set-mismatch
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/set_mismatch.cpp
Two Sum IV - Input is a BST	https://leetcode.com/problems/two-sum-iv-input-is-a-bst
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/two_sum4.cpp
Find K Closest Elements	https://leetcode.com/problems/find-k-closest-elements
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_k_closest_elements.cpp
Maximum Width of Binary Tree	https://leetcode.com/problems/maximum-width-of-binary-tree/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_width_of_binary_tree.cpp
Maximum Swap	https://leetcode.com/problems/maximum-swap/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_swap.cpp
Valid Palindrome II	https://leetcode.com/problems/valid-palindrome-ii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/valid_palindrome2.cpp
Binary Search	https://leetcode.com/problems/binary-search
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/binary_search.cpp
Design HashSet	https://leetcode.com/problems/design-hashset
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/design_hashset.cpp
Design HashMap	https://leetcode.com/problems/design-hashmap
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/design_hashmap.cpp
Design Linked List	https://leetcode.com/problems/design-linked-list
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/design_linked_list.cpp
Max Stack	https://leetcode.com/problems/max-stack
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_stack.cpp
Find K-th Smallest Pair Distance	https://leetcode.com/problems/find-k-th-smallest-pair-distance
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_kth_smallest_pair_distance.cpp
Flood Fill	https://leetcode.com/problems/flood-fill/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/flood_fill.cpp
Daily Temperatures	https://leetcode.com/problems/daily-temperatures
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/daily_temperatures.cpp
Network Delay Time	https://leetcode.com/problems/network-delay-time/description/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/network_delay_time.cpp
Find Smallest Letter Greater Than Target	https://leetcode.com/problems/find-smallest-letter-greater-than-target
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_smallest_letter.cpp
Pyramid Transition Matrix	https://leetcode.com/problems/pyramid-transition-matrix/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/pyramid_transition.cpp
Partition Labels	https://leetcode.com/problems/partition-labels/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/partition_labels.cpp
Couples Holding Hands	https://leetcode.com/problems/couples-holding-hands
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/couples_holding_hands.cpp
Max Chunks To Make Sorted	https://leetcode.com/problems/max-chunks-to-make-sorted/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_chunks_to_sorted.cpp
772. Basic Calculator III	https://leetcode.com/problems/basic-calculator-iii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/basic_calculator3.cpp
Swap Adjacent in LR String	https://leetcode.com/problems/swap-adjacent-in-lr-string/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/swap_adjacent_lr_string.cpp
Swim in Rising Water	https://leetcode.com/problems/swim-in-rising-water/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/swim_in_water.cpp
K-th Symbol in Grammar	https://leetcode.com/problems/k-th-symbol-in-grammar
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/kth_symbol_in_grammar.cpp
Rotated Digits	https://leetcode.com/problems/rotated-digits
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotated_digits.cpp
Number of Matching Subsequences	https://leetcode.com/problems/number-of-matching-subsequences/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/num_matching_subseq.cpp
Rotate String	https://leetcode.com/problems/rotate-string
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rotate_string.cpp
Champagne Tower	https://leetcode.com/problems/champagne-tower/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/champagne_tower.cpp
Race Car	https://leetcode.com/problems/race-car/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/race_car.cpp
Exam Room	https://leetcode.com/problems/exam-room/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/exam_room.cpp
Transpose Matrix	https://leetcode.com/problems/transpose-matrix/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/transpose_matrix.cpp
Middle of the Linked List	https://leetcode.com/problems/middle-of-the-linked-list/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/middle_node.cpp
Orderly Queue	https://leetcode.com/problems/orderly-queue
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/orderly_queue.cpp
Sort Array By Parity	https://leetcode.com/problems/sort-array-by-parity/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_array_by_parity.cpp
Sort an Array	https://leetcode.com/problems/sort-an-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_array.cpp
Minimum Add to Make Parentheses Valid	https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_add_to_make_valid.cpp
Sort Array By Parity II	https://leetcode.com/problems/sort-array-by-parity-ii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sort_array_by_parity2.cpp
Range Sum of BST	https://leetcode.com/problems/range-sum-of-bst/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/range_sum_bst.cpp
Univalued Binary Tree	https://leetcode.com/problems/univalued-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/univalued_binary_tree.cpp
K Closest Points to Origin	https://leetcode.com/problems/k-closest-points-to-origin/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/k_closest_points.cpp
Squares of a Sorted Array	https://leetcode.com/problems/squares-of-a-sorted-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sorted_squares.cpp
Time Based Key-Value Store	https://leetcode.com/problems/time-based-key-value-store/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/time_map.cpp
Add to Array-Form of Integer	https://leetcode.com/problems/add-to-array-form-of-integer/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/add_to_array_form.cpp
Cousins in Binary Tree	https://leetcode.com/problems/cousins-in-binary-tree
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/cousins_in_binary_tree.cpp
Find the Town Judge	https://leetcode.com/problems/find-the-town-judge/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_judge.cpp
Max Consecutive Ones III	https://leetcode.com/problems/max-consecutive-ones-iii
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_consecutive_ones3.cpp
Height Checker	https://leetcode.com/problems/height-checker/description/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/height_checker.cpp
Shortest Path in Binary Matrix	https://leetcode.com/problems/shortest-path-in-binary-matrix/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/shortest_path.cpp
Statistics from a Large Sample	https://leetcode.com/problems/statistics-from-a-large-sample/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sample_stats.cpp
Filling Bookcase Shelves	https://leetcode.com/problems/filling-bookcase-shelves/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/filling_shelves.cpp
Armstrong Number	https://leetcode.com/problems/armstrong-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/armstrong_number.cpp
Design Skiplist	https://leetcode.com/problems/design-skiplist
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/design_skiplist.cpp
Unique Number of Occurrences	https://leetcode.com/problems/unique-number-of-occurrences/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/unique_occurrences.cpp
Minimum Swaps to Make Strings Equal	https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_swaps_equal.cpp
Remove Covered Intervals	https://leetcode.com/problems/remove-covered-intervals/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_covered_intervals.cpp
Shortest Path in a Grid with Obstacles Elimination	https://leetcode.com/problems/shortest-path-in-a-grid-with-obstacles-elimination/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/shortest_path_with_obstacles.cpp
How Many Numbers Are Smaller Than the Current Number	https://github.com/hanfezh/leetcode/blob/master
https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/	https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/smaller_numbers.cpp
Rank Teams by Votes	https://leetcode.com/problems/rank-teams-by-votes
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/rank_teams.cpp
Design a Stack With Increment Operation	https://leetcode.com/problems/design-a-stack-with-increment-operation/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/custom_stack.cpp
Balance a Binary Search Tree	https://leetcode.com/problems/balance-a-binary-search-tree/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/balance_bst.cpp
Kth Missing Positive Number	https://leetcode.com/problems/kth-missing-positive-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/kth_missing_positive_number.cpp
Detect Pattern of Length M Repeated K or More Times	https://leetcode.com/problems/detect-pattern-of-length-m-repeated-k-or-more-times/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/contains_pattern.cpp
Find Servers That Handled Most Number of Requests	https://leetcode.com/problems/find-servers-that-handled-most-number-of-requests/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/busiest_servers.cpp
Count Sorted Vowel Strings	https://leetcode.com/problems/count-sorted-vowel-strings
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_sorted_vowel_strings.cpp
Max Number of K-Sum Pairs	https://leetcode.com/problems/max-number-of-k-sum-pairs
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_number_of_ksum_pairs.cpp
Decode XORed Array	https://leetcode.com/problems/decode-xored-array
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/decode_xored_array.cpp
Tuple with Same Product	https://leetcode.com/problems/tuple-with-same-product/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/tuple_same_product.cpp
Map of Highest Peak	https://leetcode.com/problems/map-of-highest-peak/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/highest_peak.cpp
Minimum Number of Operations to Move All Balls to Each Box	https://leetcode.com/problems/minimum-number-of-operations-to-move-all-balls-to-each-box/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_operations.cpp
Remove All Occurrences of a Substring	https://leetcode.com/problems/remove-all-occurrences-of-a-substring/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/remove_occurrences.cpp
Maximum Number of Points with Cost	https://leetcode.com/problems/maximum-number-of-points-with-cost/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_points_with_cost.cpp
Two Out of Three	https://leetcode.com/problems/two-out-of-three
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/two_out_of_three.cpp
Stock Price Fluctuation	https://leetcode.com/problems/stock-price-fluctuation/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/stock_price.cpp
Find All People With Secret	https://leetcode.com/problems/find-all-people-with-secret/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_all_people.cpp
Detonate the Maximum Bombs	https://leetcode.com/problems/detonate-the-maximum-bombs/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_detonation.cpp
Find First Palindromic String in the Array	https://leetcode.com/problems/find-first-palindromic-string-in-the-array/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/first_palindrome.cpp
Find All Possible Recipes from Given Supplies	https://leetcode.com/problems/find-all-possible-recipes-from-given-supplies/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_all_recipes.cpp
Find Three Consecutive Integers That Sum to a Given Number	https://leetcode.com/problems/find-three-consecutive-integers-that-sum-to-a-given-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/sum_of_three.cpp
Maximum Score of a Node Sequence	https://leetcode.com/problems/maximum-score-of-a-node-sequence/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_score.cpp
Min Max Game	https://leetcode.com/problems/min-max-game/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/min_max_game.cpp
Design a Number Container System	https://leetcode.com/problems/design-a-number-container-system/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/number_containers.cpp
Minimum Recolors to Get K Consecutive Black Blocks	https://leetcode.com/problems/minimum-recolors-to-get-k-consecutive-black-blocks/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/minimum_recolors.cpp
Shifting Letters II	https://leetcode.com/problems/shifting-letters-ii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/shifting_letters2.cpp
Find Closest Node to Given Two Nodes	https://leetcode.com/problems/find-closest-node-to-given-two-nodes/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/cloest_meeting_node.cpp
Meeting Rooms III	https://leetcode.com/problems/meeting-rooms-iii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/meeting_room3.cpp
Find the Prefix Common Array of Two Arrays	https://github.com/hanfezh/leetcode/blob/master
https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays/	https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/prefix_common_array.cpp
Maximum Odd Binary Number	https://leetcode.com/problems/maximum-odd-binary-number/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/maximum_odd_number.cpp
Find the Peaks	https://leetcode.com/problems/find-the-peaks/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/find_the_peaks.cpp
Type of Triangle	https://leetcode.com/problems/type-of-triangle/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/triangle_type.cpp
Special Array I	https://leetcode.com/problems/special-array-i/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/special_array1.cpp
Clear Digits	https://leetcode.com/problems/clear-digits/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/clear_digits.cpp
Find Indices of Stable Mountains	https://leetcode.com/problems/find-indices-of-stable-mountains/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/stable_mountains.cpp
Find the Maximum Number of Fruits Collected	https://leetcode.com/problems/find-the-maximum-number-of-fruits-collected/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/max_collected_fruits.cpp
Count Subarrays of Length Three With a Condition	https://leetcode.com/problems/count-subarrays-of-length-three-with-a-condition/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_subarrays.cpp
Count Partitions with Even Sum Difference	https://leetcode.com/problems/count-partitions-with-even-sum-difference/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/count_partitions.cpp
Fruits Into Baskets III	https://leetcode.com/problems/fruits-into-baskets-iii/
C++	https://github.com/hanfezh/leetcode/blob/master/algorithms/fruits_into_baskets3.cpp
leetcode	https://github.com/topics/leetcode
Readme	https://github.com/hanfezh/leetcode#readme-ov-file
Please reload this page	https://github.com/hanfezh/leetcode
Activity	https://github.com/hanfezh/leetcode/activity
0 forks	https://github.com/hanfezh/leetcode/forks
Report repository	https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Fhanfezh%2Fleetcode&report=hanfezh+%28user%29
Releases	https://github.com/hanfezh/leetcode/releases
Packages 0	https://github.com/users/hanfezh/packages?repo_name=leetcode
Please reload this page	https://github.com/hanfezh/leetcode
Please reload this page	https://github.com/hanfezh/leetcode
Contributors	https://github.com/hanfezh/leetcode/graphs/contributors
Please reload this page	https://github.com/hanfezh/leetcode
C++ 91.8%	https://github.com/hanfezh/leetcode/search?l=c%2B%2B
Python 3.9%	https://github.com/hanfezh/leetcode/search?l=python
C 2.7%	https://github.com/hanfezh/leetcode/search?l=c
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