# The Algorithms - Python [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.me/TheAlgorithms/100)   [![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/TheAlgorithms)   [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/TheAlgorithms/Python) ### All algorithms implemented in Python (for education) These implementations are for learning purposes. They may be less efficient than the implementations in the Python standard library. ## Owners Anup Kumar Panwar   [[Gmail](mailto:1anuppanwar@gmail.com?Subject=The%20Algorithms%20-%20Python)   [Gihub](https://github.com/anupkumarpanwar)   [LinkedIn](https://www.linkedin.com/in/anupkumarpanwar/)] Chetan Kaushik   [[Gmail](mailto:dynamitechetan@gmail.com?Subject=The%20Algorithms%20-%20Python)   [Gihub](https://github.com/dynamitechetan)   [LinkedIn](https://www.linkedin.com/in/chetankaushik/)] ## Contribution Guidelines Read our [Contribution Guidelines](CONTRIBUTING.md) before you contribute. ## Community Channel We're on [Gitter](https://gitter.im/TheAlgorithms)! Please join us. # Algorithms ## Hashes - [Md5](./hashes/md5.py) - [Chaos Machine](./hashes/chaos_machine.py) - [Sha1](./hashes/sha1.py) ## File Transfer Protocol - [Ftp Client Server](./file_transfer_protocol/ftp_client_server.py) - [Ftp Send Receive](./file_transfer_protocol/ftp_send_receive.py) ## Backtracking - [N Queens](./backtracking/n_queens.py) - [Sum Of Subsets](./backtracking/sum_of_subsets.py) - [All Subsequences](./backtracking/all_subsequences.py) - [All Permutations](./backtracking/all_permutations.py) ## Ciphers - [Transposition Cipher](./ciphers/transposition_cipher.py) - [Atbash](./ciphers/Atbash.py) - [Rot13](./ciphers/rot13.py) - [Rabin Miller](./ciphers/rabin_miller.py) - [Transposition Cipher Encrypt Decrypt File](./ciphers/transposition_cipher_encrypt_decrypt_file.py) - [Affine Cipher](./ciphers/affine_cipher.py) - [Trafid Cipher](./ciphers/trafid_cipher.py) - [Base16](./ciphers/base16.py) - [Elgamal Key Generator](./ciphers/elgamal_key_generator.py) - [Rsa Cipher](./ciphers/rsa_cipher.py) - [Prehistoric Men.txt](./ciphers/prehistoric_men.txt) - [Vigenere Cipher](./ciphers/vigenere_cipher.py) - [Xor Cipher](./ciphers/xor_cipher.py) - [Brute Force Caesar Cipher](./ciphers/brute_force_caesar_cipher.py) - [Rsa Key Generator](./ciphers/rsa_key_generator.py) - [Simple Substitution Cipher](./ciphers/simple_substitution_cipher.py) - [Playfair Cipher](./ciphers/playfair_cipher.py) - [Morse Code Implementation](./ciphers/morse_Code_implementation.py) - [Base32](./ciphers/base32.py) - [Base85](./ciphers/base85.py) - [Base64 Cipher](./ciphers/base64_cipher.py) - [Onepad Cipher](./ciphers/onepad_cipher.py) - [Caesar Cipher](./ciphers/caesar_cipher.py) - [Hill Cipher](./ciphers/hill_cipher.py) - [Cryptomath Module](./ciphers/cryptomath_module.py) ## Arithmetic Analysis - [Bisection](./arithmetic_analysis/bisection.py) - [Newton Method](./arithmetic_analysis/newton_method.py) - [Newton Raphson Method](./arithmetic_analysis/newton_raphson_method.py) - [Intersection](./arithmetic_analysis/intersection.py) - [Lu Decomposition](./arithmetic_analysis/lu_decomposition.py) ## Boolean Algebra - [Quine Mc Cluskey](./boolean_algebra/quine_mc_cluskey.py) ## Traversals - [Binary Tree Traversals](./traversals/binary_tree_traversals.py) ## Maths - [Average](./maths/average.py) - [Abs Max](./maths/abs_Max.py) - [Average Median](./maths/average_median.py) - [Trapezoidal Rule](./maths/trapezoidal_rule.py) - [Prime Check](./maths/Prime_Check.py) - [Modular Exponential](./maths/modular_exponential.py) - [Newton Raphson](./maths/newton_raphson.py) - [Factorial Recursive](./maths/factorial_recursive.py) - [Extended Euclidean Algorithm](./maths/extended_euclidean_algorithm.py) - [Greater Common Divisor](./maths/greater_common_divisor.py) - [Fibonacci](./maths/fibonacci.py) - [Find Lcm](./maths/find_lcm.py) - [Find Max](./maths/Find_Max.py) - [Fermat Little Theorem](./maths/fermat_little_theorem.py) - [Factorial Python](./maths/factorial_python.py) - [Fibonacci Sequence Recursion](./maths/fibonacci_sequence_recursion.py) - [Sieve Of Eratosthenes](./maths/sieve_of_eratosthenes.py) - [Abs Min](./maths/abs_Min.py) - [Lucas Series](./maths/lucasSeries.py) - [Segmented Sieve](./maths/segmented_sieve.py) - [Find Min](./maths/Find_Min.py) - [Abs](./maths/abs.py) - [Simpson Rule](./maths/simpson_rule.py) - [Basic Maths](./maths/basic_maths.py) - [3n+1](./maths/3n+1.py) - [Binary Exponentiation](./maths/Binary_Exponentiation.py) ## Digital Image Processing - ## Filters - [Median Filter](./digital_image_processing/filters/median_filter.py) - [Gaussian Filter](./digital_image_processing/filters/gaussian_filter.py) ## Compression - [Peak Signal To Noise Ratio](./compression/peak_signal_to_noise_ratio.py) - [Huffman](./compression/huffman.py) ## Graphs - [BFS Shortest Path](./graphs/bfs_shortest_path.py) - [Directed And Undirected (Weighted) Graph](<./graphs/Directed_and_Undirected_(Weighted)_Graph.py>) - [Minimum Spanning Tree Prims](./graphs/minimum_spanning_tree_prims.py) - [Graph Matrix](./graphs/graph_matrix.py) - [Basic Graphs](./graphs/basic_graphs.py) - [Dijkstra 2](./graphs/dijkstra_2.py) - [Tarjans Strongly Connected Components](./graphs/tarjans_scc.py) - [Check Bipartite Graph BFS](./graphs/check_bipartite_graph_bfs.py) - [Depth First Search](./graphs/depth_first_search.py) - [Kahns Algorithm Long](./graphs/kahns_algorithm_long.py) - [Breadth First Search](./graphs/breadth_first_search.py) - [Dijkstra](./graphs/dijkstra.py) - [Articulation Points](./graphs/articulation_points.py) - [Bellman Ford](./graphs/bellman_ford.py) - [Check Bipartite Graph Dfs](./graphs/check_bipartite_graph_dfs.py) - [Strongly Connected Components Kosaraju](./graphs/scc_kosaraju.py) - [Multi Hueristic Astar](./graphs/multi_hueristic_astar.py) - [Page Rank](./graphs/page_rank.py) - [Eulerian Path And Circuit For Undirected Graph](./graphs/Eulerian_path_and_circuit_for_undirected_graph.py) - [Edmonds Karp Multiple Source And Sink](./graphs/edmonds_karp_multiple_source_and_sink.py) - [Floyd Warshall](./graphs/floyd_warshall.py) - [Minimum Spanning Tree Kruskal](./graphs/minimum_spanning_tree_kruskal.py) - [Prim](./graphs/prim.py) - [Kahns Algorithm Topo](./graphs/kahns_algorithm_topo.py) - [BFS](./graphs/BFS.py) - [Finding Bridges](./graphs/finding_bridges.py) - [Graph List](./graphs/graph_list.py) - [Dijkstra Algorithm](./graphs/dijkstra_algorithm.py) - [A Star](./graphs/a_star.py) - [Even Tree](./graphs/even_tree.py) - [DFS](./graphs/DFS.py) ## Networking Flow - [Minimum Cut](./networking_flow/minimum_cut.py) - [Ford Fulkerson](./networking_flow/ford_fulkerson.py) ## Matrix - [Matrix Operation](./matrix/matrix_operation.py) - [Searching In Sorted Matrix](./matrix/searching_in_sorted_matrix.py) - [Spiral Print](./matrix/spiral_print.py) ## Searches - [Quick Select](./searches/quick_select.py) - [Binary Search](./searches/binary_search.py) - [Interpolation Search](./searches/interpolation_search.py) - [Jump Search](./searches/jump_search.py) - [Linear Search](./searches/linear_search.py) - [Ternary Search](./searches/ternary_search.py) - [Tabu Search](./searches/tabu_search.py) - [Sentinel Linear Search](./searches/sentinel_linear_search.py) ## Conversions - [Decimal To Binary](./conversions/decimal_to_binary.py) - [Decimal To Octal](./conversions/decimal_to_octal.py) ## Dynamic Programming - [Fractional Knapsack](./dynamic_programming/Fractional_Knapsack.py) - [Sum Of Subset](./dynamic_programming/sum_of_subset.py) - [Fast Fibonacci](./dynamic_programming/fast_fibonacci.py) - [Bitmask](./dynamic_programming/bitmask.py) - [Abbreviation](./dynamic_programming/abbreviation.py) - [Rod Cutting](./dynamic_programming/rod_cutting.py) - [Knapsack](./dynamic_programming/knapsack.py) - [Max Sub Array](./dynamic_programming/max_sub_array.py) - [Fibonacci](./dynamic_programming/fibonacci.py) - [Minimum Partition](./dynamic_programming/minimum_partition.py) - [K Means Clustering Tensorflow](./dynamic_programming/k_means_clustering_tensorflow.py) - [Coin Change](./dynamic_programming/coin_change.py) - [Subset Generation](./dynamic_programming/subset_generation.py) - [Floyd Warshall](./dynamic_programming/floyd_warshall.py) - [Longest Sub Array](./dynamic_programming/longest_sub_array.py) - [Integer Partition](./dynamic_programming/integer_partition.py) - [Matrix Chain Order](./dynamic_programming/matrix_chain_order.py) - [Edit Distance](./dynamic_programming/edit_distance.py) - [Longest Common Subsequence](./dynamic_programming/longest_common_subsequence.py) - [Longest Increasing Subsequence O(nlogn)](<./dynamic_programming/longest_increasing_subsequence_O(nlogn).py>) - [Longest Increasing Subsequence](./dynamic_programming/longest_increasing_subsequence.py) ## Divide And Conquer - [Max Subarray Sum](./divide_and_conquer/max_subarray_sum.py) - [Closest Pair Of Points](./divide_and_conquer/closest_pair_of_points.py) ## Strings - [Knuth Morris Pratt](./strings/knuth_morris_pratt.py) - [Rabin Karp](./strings/rabin_karp.py) - [Naive String Search](./strings/naive_String_Search.py) - [Levenshtein Distance](./strings/levenshtein_distance.py) - [Min Cost String Conversion](./strings/min_cost_string_conversion.py) - [Boyer Moore Search](./strings/Boyer_Moore_Search.py) - [Manacher](./strings/manacher.py) ## Sorts - [Quick Sort](./sorts/quick_sort.py) - [Selection Sort](./sorts/selection_sort.py) - [Bitonic Sort](./sorts/Bitonic_Sort.py) - [Cycle Sort](./sorts/cycle_sort.py) - [Comb Sort](./sorts/comb_sort.py) - [Topological Sort](./sorts/topological_sort.py) - [Merge Sort Fastest](./sorts/merge_sort_fastest.py) - [Random Pivot Quick Sort](./sorts/random_pivot_quick_sort.py) - [Heap Sort](./sorts/heap_sort.py) - [Insertion Sort](./sorts/insertion_sort.py) - [Counting Sort](./sorts/counting_sort.py) - [Bucket Sort](./sorts/bucket_sort.py) - [Quick Sort 3 Partition](./sorts/quick_sort_3_partition.py) - [Bogo Sort](./sorts/bogo_sort.py) - [Shell Sort](./sorts/shell_sort.py) - [Pigeon Sort](./sorts/pigeon_sort.py) - [Odd-Even Transposition Parallel](./sorts/Odd-Even_transposition_parallel.py) - [Tree Sort](./sorts/tree_sort.py) - [Cocktail Shaker Sort](./sorts/cocktail_shaker_sort.py) - [Random Normal Distribution Quicksort](./sorts/random_normal_distribution_quicksort.py) - [Wiggle Sort](./sorts/wiggle_sort.py) - [Pancake Sort](./sorts/pancake_sort.py) - [External Sort](./sorts/external_sort.py) - [Tim Sort](./sorts/tim_sort.py) - [Sorting Graphs.png](./sorts/sorting_graphs.png) - [Radix Sort](./sorts/radix_sort.py) - [Odd-Even Transposition Single-threaded](./sorts/Odd-Even_transposition_single-threaded.py) - [Bubble Sort](./sorts/bubble_sort.py) - [Gnome Sort](./sorts/gnome_sort.py) - [Merge Sort](./sorts/merge_sort.py) ## Machine Learning - [Perceptron](./machine_learning/perceptron.py) - [Random Forest Classifier](./machine_learning/random_forest_classification/random_forest_classifier.ipynb) - [NaiveBayes.ipynb](./machine_learning/NaiveBayes.ipynb) - [Scoring Functions](./machine_learning/scoring_functions.py) - [Logistic Regression](./machine_learning/logistic_regression.py) - [Gradient Descent](./machine_learning/gradient_descent.py) - [Linear Regression](./machine_learning/linear_regression.py) - [Random Forest Regression](./machine_learning/random_forest_regression/random_forest_regression.py) - [Random Forest Regression](./machine_learning/random_forest_regression/random_forest_regression.ipynb) - [Reuters One Vs Rest Classifier.ipynb](./machine_learning/reuters_one_vs_rest_classifier.ipynb) - [Decision Tree](./machine_learning/decision_tree.py) - [Knn Sklearn](./machine_learning/knn_sklearn.py) - [K Means Clust](./machine_learning/k_means_clust.py) ## Neural Network - [Perceptron](./neural_network/perceptron.py) - [Fully Connected Neural Network](./neural_network/fully_connected_neural_network.ipynb) - [Convolution Neural Network](./neural_network/convolution_neural_network.py) - [Back Propagation Neural Network](./neural_network/back_propagation_neural_network.py) ## Data Structures - ## Binary Tree - [Basic Binary Tree](./data_structures/binary_tree/basic_binary_tree.py) - [Red Black Tree](./data_structures/binary_tree/red_black_tree.py) - [Fenwick Tree](./data_structures/binary_tree/fenwick_tree.py) - [Treap](./data_structures/binary_tree/treap.py) - [AVL Tree](./data_structures/binary_tree/AVL_tree.py) - [Segment Tree](./data_structures/binary_tree/segment_tree.py) - [Lazy Segment Tree](./data_structures/binary_tree/lazy_segment_tree.py) - [Binary Search Tree](./data_structures/binary_tree/binary_search_tree.py) - ## Trie - [Trie](./data_structures/trie/trie.py) - ## Linked List - [Swap Nodes](./data_structures/linked_list/swap_nodes.py) - [Doubly Linked List](./data_structures/linked_list/doubly_linked_list.py) - [Singly Linked List](./data_structures/linked_list/singly_linked_list.py) - [Is Palindrome](./data_structures/linked_list/is_Palindrome.py) - ## Stacks - [Postfix Evaluation](./data_structures/stacks/postfix_evaluation.py) - [Balanced Parentheses](./data_structures/stacks/balanced_parentheses.py) - [Infix To Prefix Conversion](./data_structures/stacks/infix_to_prefix_conversion.py) - [Stack](./data_structures/stacks/stack.py) - [Infix To Postfix Conversion](./data_structures/stacks/infix_to_postfix_conversion.py) - [Next Greater Element](./data_structures/stacks/next_greater_element.py) - [Stock Span Problem](./data_structures/stacks/stock_span_problem.py) - ## Queue - [Queue On Pseudo Stack](./data_structures/queue/queue_on_pseudo_stack.py) - [Double Ended Queue](./data_structures/queue/double_ended_queue.py) - [Queue On List](./data_structures/queue/queue_on_list.py) - ## Heap - [Heap](./data_structures/heap/heap.py) - ## Hashing - [Hash Table With Linked List](./data_structures/hashing/hash_table_with_linked_list.py) - [Quadratic Probing](./data_structures/hashing/quadratic_probing.py) - [Hash Table](./data_structures/hashing/hash_table.py) - [Double Hash](./data_structures/hashing/double_hash.py) ## Other - [Detecting English Programmatically](./other/detecting_english_programmatically.py) - [Fischer Yates Shuffle](./other/fischer_yates_shuffle.py) - [Primelib](./other/primelib.py) - [Binary Exponentiation 2](./other/binary_exponentiation_2.py) - [Anagrams](./other/anagrams.py) - [Palindrome](./other/palindrome.py) - [Finding Primes](./other/finding_Primes.py) - [Two Sum](./other/two_sum.py) - [Password Generator](./other/password_generator.py) - [Linear Congruential Generator](./other/linear_congruential_generator.py) - [Frequency Finder](./other/frequency_finder.py) - [Euclidean Gcd](./other/euclidean_gcd.py) - [Word Patterns](./other/word_patterns.py) - [Nested Brackets](./other/nested_brackets.py) - [Binary Exponentiation](./other/binary_exponentiation.py) - [Sierpinski Triangle](./other/sierpinski_triangle.py) - [Game Of Life](./other/game_of_life.py) - [Tower Of Hanoi](./other/tower_of_hanoi.py)