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icpc-cheatsheet-2015-tizii's Introduction

Data structure

  • RMQ
  • LCA
  • Fenwick
  • Segment tree 2D & Lazy Update
  • Sqrt Decomposition.

Geometry

  • Basic Consepts (Special Points)
  • Convex Hull
  • Rotating Callipers
  • Polygon Intersection
  • isSimple
  • Solution Ideas.

String

  • KMP
  • Suffix Array
  • parse
  • java regexp

Network Flow Algorithms

  • Edmond Karp.
  • Variants.
  • MCMF

Todo:

Hight Priority

  • Correct Primes.cpp & Factoring Problem.
  • Inversion and fenwick.
  • Expression Evaluation
  • Fibonacci Matrix (Not Necessary)
  • Min Cost Max Flow
  • Coordinate Compression (UVa 1092)
  • Strongly Connected Components (Tarjan or Kosaraju's Algorithm)
  • Print Path for new LIS
  • SPFA Algorithm (Shortest Path with Negative Cycle)
  • Sparse Table for Static RMQ
  • Interval Tree
  • Basic Geometry
  • Max Subrecangle Sum

Low Priority

  • Infix and postfix to Tree
  • Magic Square Construction
  • Pollard's rho algorithm (UVa 11476)

Links

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