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  • 1
    Beginner

    Basic problems for anyone who has just started to program...

    2970 TOPICS
  • 2
    Ad-Hoc

    Simulation Problems, Dates, Games and general Ad-Hoc...

    796 TOPICS
  • 3
    Strings

    Palindromes, Frequency, Ad-Hoc, LCS, String Manipulation...

    427 TOPICS
  • 4
    Data Structures and Libraries

    Queue, Stack, Sort, Map, Set...

    332 TOPICS
  • 5
    Mathematics

    Number Theory, Prime Numbers, Combinatorics, BigInteger...

    404 TOPICS
  • 6
    Paradigms

    Dynamic Programming, Binary Search, Greedy, Backtracking ...

    178 TOPICS
  • 7
    Graph

    Flood Fill, MST, SSSP, DAG, Maximum Flow, Tree...

    242 TOPICS
  • 8
    Computational Geometry

    Points and Lines, Polygon...

    75 TOPICS
  • 9
    SQL

    Query Languages: Select, Insert, Update, Create

    118 TOPICS
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