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cp's Introduction

Competitive Programming

#include "cp.h"

A repository containing my implementations of popular algorithms used in competitive programming and interviews

1. Arrays

  • Longest Bitonic Subarray
  • Longest Increasing Subsequence using Patience Sort
  • Maximum Subarray using Kadane
  • Remove duplicates in sorted array

2. Sorting

  • Bubble sort
  • Selection sort
  • Insertion sort
  • Quicksort
  • Mergesort

3. Strings

  • KMP
  • Z algorithm
  • Longest Palindromic substring using Manacher's algorithm
  • Palindrome partitioning using Manacher
  • Count character occurrences in sorted string
  • Remove K consecutive same characters

4. Trees

  • Insertion
  • Deletion
  • InOrder, PreOrder, PostOrder, LevelOrder traversal
  • InOrder traversal using stack
  • Search
  • InOrder successor and predecessor
  • Height of tree
  • Diameter of tree
  • Sum of nodes
  • Lowest Common Ancestor

5. Backtracking

  • N Queens

6. DP

  • 0/1 Knapsack
  • stock price (leetcode problem)
  • Longest common subsequence
  • Longest common substring
  • Edit Distance
  • candles (atcoder problem)

7. Graph

  • Graph insertion
  • BFS
  • DFS
  • Dijkstra
  • Kruskal
  • Prims
  • Topological sort
  • Kahn's algorithm for topological sort
  • Fox and Names codeforces 510/C using Kahn's algorithm
  • Tarjan's algorithm for bridges and articulation points
  • Ford-Fulkerson Edmond's-Karp Max Flow algorithm

8. Advanced DS

  • Segment Tree
  • Trie

9. Bit Manipulation

  • hack1: basic stuff
  • hack2: K'th bit
  • hack3: rightmost set bit
  • hack4: letters

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