Pythonic Data Structures and Algorithms

Minimal and clean example implementations of data structures and algorithms in Python.

List of Implementations

array
- circular_counter
- flatten
- garage
- longest_non_repeat
- merge_intervals
- missing_ranges
- plus_one
- rotate_array
- summary_ranges
- three_sum
- two_sum
backtrack
- general_solution.md
- anagram
- array_sum_combinations
- combination_sum
- expression_add_operators
- factor_combinations
- generate_abbreviations
- generate_parenthesis
- letter_combination
- palindrome_partitioning
- pattern_match
- permute
- permute_unique
- subsets
- subsets_unique
bfs
- shortest_distance_from_all_buildings
- word_ladder
bit
- count_ones
- power_of_two
- reverse_bits
- single_number2
- single_number
- subsets
- add_without_operator
dfs
- all_factors
- count_islands
- pacific_atlantic
- sudoku_solver
- walls_and_gates
dp
- buy_sell_stock
- climbing_stairs
- combination_sum
- house_robber
- longest_increasing
- max_product_subarray
- max_subarray
- num_decodings
- regex_matching
- word_break
graph
- clone_graph
- find_path
- graph
- traversal
heap
- merge_sorted_k_lists
- skyline
- sliding_window_max
linkedlist
- add_two_numbers
- copy_random_pointer
- delete_node
- first_cyclic_node
- is_cyclic
- is_palindrome
- kth_to_last
- linkedlist
- remove_duplicates
- reverse
- rotate_list
- swap_in_pairs
map
- hashtable
- longest_common_subsequence
- randomized_set
- valid_sudoku
math
- extended_gcd
- gcd
- prime_test
- primes_sieve_of_eratosthenes
- generate_strobogrammtic
- is_strobogrammatic
- nth_digit
- rabin_miller
- rsa
- sqrt_precision_factor
- pythagoras
matrix
- matrix_rotation.txt
- bomb_enemy
- rotate_image
- sparse_dot_vector
- sparse_mul
- spiral_traversal
queue
- max_sliding_window
- moving_average
- queue
- reconstruct_queue
- zigzagiterator
search
- binary_search
- count_elem
- first_occurance
- last_occurance
set
- randomized_set
sort
- insertion_sort
- meeting_rooms
- merge_sort
- quick_sort
- selection_sort
- sort_colors
- topsort
- wiggle_sort
stack
- longest_abs_path
- simplify_path
- stack
- valid_parenthesis
string
- add_binary
- breaking_bad
- decode_string
- encode_decode
- group_anagrams
- int_to_roman
- is_palindrome
- license_number
- make_sentence
- multiply_strings
- one_edit_distance
- rabin_karp
- reverse_string
- reverse_vowel
- reverse_words
- roman_to_int
- word_squares
tree
- segment-tree
  - segment_tree
- binary_tree_paths
- bintree2list
- bst
  - array2bst
  - bst_closest_value
  - BSTIterator
  - delete_node
  - is_bst
  - kth_smallest
  - lowest_common_ancestor
  - predecessor
  - serialize_deserialize
  - successor
  - unique_bst
- deepest_left
- invert_tree
- is_balanced
- is_subtree
- is_symmetric
- longest_consecutive
- lowest_common_ancestor
- max_height
- max_path_sum
- min_height
- path_sum2
- path_sum
- pretty_print
- same_tree
- traversal
  - inorder
  - level_order
  - zigzag
- tree
- trie
  - add_and_search
  - trie
union-find
- count_islands

List of Designs

design

Failed to load latest commit information.
array	Missing parentheses in call to 'print'	Apr 26, 2017
backtrack	backtrack for scrabble like game	Apr 27, 2017
bfs	dp and stuff	Jan 1, 2017
bit	Added new file: add_without_operator.py	Apr 26, 2017
design	update bunch2	Mar 14, 2017
dfs	update bunch2	Mar 14, 2017
dp	Rewrite combination_sum.py to python from Java	Apr 26, 2017
graph	update bunch2	Mar 14, 2017
heap	update bunch2	Mar 14, 2017
linkedlist	update bunch2	Mar 14, 2017
map	Convert the camelCase to snake_case	Apr 27, 2017
math	Revert "added gauss legendre algorithm"	Apr 26, 2017
matrix	update bunch2	Mar 14, 2017
queue	Added imports, used 'maxlen', used builtin 'sum', fixed tests	Apr 24, 2017
search	minor shits	Dec 25, 2016
set	update bunch	Mar 14, 2017
sort	update bunch2	Mar 14, 2017
stack	Add .gitignore and remove cached bytecode files.	Apr 25, 2017
string	Fixed checks in 'if' conditions	Apr 27, 2017
tmp	update bunch2	Mar 14, 2017
tree	fixing kth smallest node in BST	Apr 23, 2017
union-find	update bunch2	Mar 14, 2017
.gitignore	Add .gitignore and remove cached bytecode files.	Apr 25, 2017
README.md	Merge pull request #40 from ankit167/Add_two_numbers_without_operator	Apr 27, 2017
tree.md	Wrap in <re	Apr 25, 2017

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Pythonic Data Structures and Algorithms

List of Implementations

List of Designs