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Title: GitHub - smartdolphin/python-algorithm: Algorithms and Data Structures implemented in Python

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queuehttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/queue.py
priority queuehttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/priority_queue.py
single linked listhttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/linked_list.py
hash tablehttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/hash_table.py
graphhttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/graph.py
recursive binary search treehttps://github.com/smartdolphin/python-algorithm/blob/master/data_struct/binary_search_tree.py
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https://patch-diff.githubusercontent.com/smartdolphin/python-algorithm#algorithm
combinationhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/combination.py
purmutationhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/permutation.py
recursive binary searchhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/binary_search_recursive.py
iterative binary searchhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/binary_search.py
depth first searchhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/dfs.py
breadth first searchhttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/bfs.py
quick sorthttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/quick_sort.py
merge sorthttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/merge_sort.py
bubble sorthttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/bubble_sort.py
insertion sorthttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/insertion_sort.py
selection sorthttps://github.com/smartdolphin/python-algorithm/blob/master/algorithm/selection_sort.py
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https://patch-diff.githubusercontent.com/smartdolphin/python-algorithm#problem
recursive factorialhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/factorial_recursive.py
two sumhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/two_sum.py
leetcode #1https://leetcode.com/problems/two-sum
leetcode #4https://leetcode.com/problems/median-of-two-sorted-arrays
reverse integerhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/reverse_integer.py
leetcode #7https://leetcode.com/problems/reverse-integer
execlusive time of functionshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/exclusive_time_of_functions.py
leetcode #6https://leetcode.com/problems/exclusive-time-of-functions
leetcode #10https://leetcode.com/problems/regular-expression-matching
roman to integerhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/roman_to_int.py
leetcode #13https://leetcode.com/problems/roman-to-integer
longest common prerixhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/longest_common_prefix.py
leetcode #14https://leetcode.com/problems/longest-common-prefix
letter combinations of a phone numberhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/letter_combinations_of_a_phone_number.py
leetcode #17https://leetcode.com/problems/letter-combinations-of-a-phone-number
valid parentheseshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/valid_parentheses.py
leetcode #20https://leetcode.com/problems/valid-parentheses
generate parentheseshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/generate_parentheses.py
leetcode #22https://leetcode.com/problems/generate-parentheses
leetcode #23https://leetcode.com/problems/merge-k-sorted-lists
next permutationhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/next_permutation.py
leetcode #31https://leetcode.com/problems/next-permutation
search insert positionhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/search_insert_position.py
leetcode #35https://leetcode.com/problems/search-insert-position
valid sudokuhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/valid_sudoku.py
leetcode #36https://leetcode.com/problems/valid-sudoku
leetcode #42https://leetcode.com/problems/trapping-rain-water
group anagramhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/group_anagram.py
leetcode #49https://leetcode.com/problems/group-anagrams
pow(x, n)https://github.com/smartdolphin/python-algorithm/blob/master/problems/my_pow.py
leetcode #50https://leetcode.com/problems/powx-n
spiral matrixhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/spiral_matrix.py
leetcode #54https://leetcode.com/problems/spiral-matrix
merge intervalshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/merge_intervals.py
leetcode #56https://leetcode.com/problems/merge-intervals
plus onehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/plus_one.py
leetcode #66https://leetcode.com/problems/plus-one
climbing stairshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/climbing_stairs.py
leetcode #70https://leetcode.com/problems/climbing-stairs
binary tree inorder traversal - recursivehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_inorder_traversal.py
leetcode #94https://leetcode.com/problems/binary-tree-inorder-traversal
binary tree inorder traversal - iterativehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_inorder_traversal_iterative.py
leetcode #94https://leetcode.com/problems/binary-tree-inorder-traversal
binary tree inorder traversal - thread binary treehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_inorder_traversal_morris.py
leetcode #94https://leetcode.com/problems/binary-tree-inorder-traversal
symmetric treehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/symmetric_tree.py
leetcode #101https://leetcode.com/problems/symmetric-tree
binary tree level order traversalhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_level_order_traversal.py
leetcode #102https://leetcode.com/problems/binary-tree-level-order-traversal
binary tree zigzag level order traversalhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_zigzag_level_order_traversal.py
leetcode #103https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
pascal's trianglehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/pascals_triangle.py
leetcode #118https://leetcode.com/problems/pascals-triangle
longest consecutive sequencehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/longest_consecutive.py
leetcode #128https://leetcode.com/problems/longest-consecutive-sequence
single numberhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/single_number.py
leetcode #136https://leetcode.com/problems/single-number
word breakhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/word_break.py
leetcode #139https://leetcode.com/problems/word-break
word break iihttps://github.com/smartdolphin/python-algorithm/blob/master/problems/word_break_ii.py
leetcode #140https://leetcode.com/problems/word-break-ii
leetcode #146https://leetcode.com/problems/lru-cache
leetcode #151https://leetcode.com/problems/reverse-words-in-a-string
min sackhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/min_stack.py
leetcode #155https://leetcode.com/problems/min-stack
find peak elementhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/find_peak_element.py
leetcode #162https://leetcode.com/problems/find-peak-element
majority elementhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/majority_element.py
leetcode #169https://leetcode.com/problems/majority-element
binary search tree iteratorhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_search_tree_iterator.py
leetcode #173https://leetcode.com/problems/binary-search-tree-iterator
number of islandshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/num_of_island.py
leetcode #200https://leetcode.com/problems/number-of-islands
implement trie (prefix tree)https://github.com/smartdolphin/python-algorithm/blob/master/problems/trie.py
leetcode #208https://leetcode.com/problems/implement-trie-prefix-tree
add and search wordhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/add_and_search_word.py
leetcode #211https://leetcode.com/problems/add-and-search-word-data-structure-design
contains duplicatehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/contains_duplicate.py
leetcode #217https://leetcode.com/problems/contains-duplicate
leetcode #218https://leetcode.com/problems/the-skyline-problem
basic calculatorhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/basic_calculate.py
leetcode #224https://leetcode.com/problems/basic-calculator
leetcode #228https://leetcode.com/problems/summary-ranges
kth smallest element in bsthttps://github.com/smartdolphin/python-algorithm/blob/master/problems/kth_smallest_bst.py
leetcode #230https://leetcode.com/problems/kth-smallest-element-in-a-bst
power of twohttps://github.com/smartdolphin/python-algorithm/blob/master/problems/is_power_of_two.py
leetcode #231https://leetcode.com/problems/power-of-two
search a 2d matrix iihttps://github.com/smartdolphin/python-algorithm/blob/master/problems/search_2d_matrix.py
leetcode #240https://leetcode.com/problems/search-a-2d-matrix-ii
meeting roomshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/meeting_room.py
leetcode #252https://leetcode.com/problems/meeting-rooms
leetcode #253https://leetcode.com/problems/meeting-rooms-ii
single number iiihttps://github.com/smartdolphin/python-algorithm/blob/master/problems/single_number_iii.py
leetcode #260https://leetcode.com/problems/single-number-iii
encode and decode stringshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/encode_and_decod_string.py
leetcode #6https://leetcode.com/problems/encode-and-decode-strings
perfect squareshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/perfect_square.py
leetcode #279https://leetcode.com/problems/perfect-squares
leetcode #280https://leetcode.com/problems/wiggle-sort
move zeroshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/move_zeros.py
leetcode #283https://leetcode.com/problems/move-zeroes
leetcode #289https://leetcode.com/problems/game-of-life
serialize and deserialize binary treehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/serialize_and_deserialize_binary_tree.py
leetcode #297https://leetcode.com/problems/serialize-and-deserialize-binary-tree
binary tree longest consecutive sequencehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/binary_tree_longest_consecutive_sequence.py
leetcode #298https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
leetcode #312https://leetcode.com/problems/burst-balloons
leetcode #315https://leetcode.com/problems/count-of-smaller-numbers-after-self
leetcode #316https://leetcode.com/problems/remove-duplicate-letters
power of threehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/power_of_three.py
leetcode #326https://leetcode.com/problems/power-of-three
leetcode #336https://leetcode.com/problems/palindrome-pairs
leetcode #341https://leetcode.com/problems/flatten-nested-list-iterator
reverse vowels of a stringhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/reverse_vowels.py
leetcode #345https://leetcode.com/problems/reverse-vowels-of-a-string
reverse stringhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/reverse_string.py
leetcode #344https://leetcode.com/problems/reverse-string
first unique character in a stringhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/first_unique_character.py
leetcode #387https://leetcode.com/problems/first-unique-character-in-a-string
leetcode #388https://leetcode.com/problems/longest-absolute-file-path
leetcode #406https://leetcode.com/problems/queue-reconstruction-by-height
maximum xor of two numbers in an arrayhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/find_maximum_xor.py
leetcode #421https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
leetcode #448https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
leetcode #450https://leetcode.com/problems/delete-node-in-a-bst
leetcode #463https://leetcode.com/problems/island-perimeter
find largest value in each tree rowhttps://leetcode.com/problems/find-largest-value-in-each-tree-row
leetcode #515https://leetcode.com/problems/find-largest-value-in-each-tree-row
encode and decode tinyurlhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/encode_decode_tiny_url.py
leetcode #535https://leetcode.com/problems/encode-and-decode-tinyurl
maximum depth of N-ary treehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/maximum_depth_of_n_ary_tree.py
leetcode #559https://leetcode.com/problems/maximum-depth-of-n-ary-tree
n-ary tree preorder traversalhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/n_ary_tree_preorder_traversal.py
leetcode #589https://leetcode.com/problems/n-ary-tree-preorder-traversal
shopping offershttps://github.com/smartdolphin/python-algorithm/blob/master/problems/shopping_offers.py
leetcode #638https://leetcode.com/problems/shopping-offers
exchange ratehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/calculate_ratio.py
robot return to originhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/robot_return_to_origin.py
leetcode #657https://leetcode.com/problems/robot-return-to-origin
maximum swaphttps://github.com/smartdolphin/python-algorithm/blob/master/problems/maximum_swap.py
leetcode #670https://leetcode.com/problems/maximum-swap
leetcode #681https://leetcode.com/problems/next-closest-time
leetcode #695https://leetcode.com/problems/max-area-of-island
leetcode #739https://leetcode.com/problems/daily-temperatures
find anagram mappingshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/find_anagram_mappings.py
leetcode #760https://leetcode.com/problems/find-anagram-mappings
letter case permutationhttps://github.com/smartdolphin/python-algorithm/blob/master/problems/letter_case_permutation.py
leetcode #784https://leetcode.com/problems/letter-case-permutation
split array with same averagehttps://github.com/smartdolphin/python-algorithm/blob/master/problems/split_array_with_same_average.py
leetcode #805https://leetcode.com/problems/split-array-with-same-average
leetcode #832https://leetcode.com/problems/flipping-an-image
shortest path visiting all nodeshttps://github.com/smartdolphin/python-algorithm/blob/master/problems/shortest_path_visiting_all_nodes.py
leetcode #847https://leetcode.com/problems/shortest-path-visiting-all-nodes
leetcode #879https://leetcode.com/problems/profitable-schemes
leetcode #921https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
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