## A. Stack OverflowStack is a basic data structure. Where 3 operations can be done: Push: You can push object to the s... |

## B. Dilu's LibraryDilu is a young boy who loves mathematics. He recently learned how to code. He was interested in sol... |

## C. Sofdor Ali's Black and White TreeSofdor Ali loves Computer Science. He prefers hexadecimal number system to decimals, just because it... |

## D. Circles in a RectangleTwo circles are placed inside a rectangle. They do not intersect with each other but they are touchi... |

## E. Pakna And His PolygonPakna in a wise man. He loves solving problems but always end up with more problems. This is obvious... |

## F. Simple OperationMr. X is a school teacher. He teaches C programming to the students. In every class, he gives some s... |

## G. Mysterious SumSohel vai reads newspaper every morning. The newspaper he reads contains some good features includin... |

## H. How Many Ways?Regular problem solvers starts their journey by solving ad hoc and number theory. After getting the ... |

## I. Meena Meets The MaraudersDecember 14, 1975 Hogwarts School of Witchcraft and Wizardry Itâ€™s been a long long day. The Marauder... |

Practice contests allow you to re-run contests and experience them as close as possible to the original run.

2Sat, Adhoc, ApolloneasTheorem, Backtracking, BFS, Bignum, BinarySearch, BipartiteMatching, Bitmask, BruteForce, ChineseRemainderTheorem, Combinatorics, ConvexHull, CutVertex, DataStructure, DFS, DigitDP, DisjointSets, DivideAndConquer, DP, Eertree, EulerTour, ExpectedValue, FenwickTree, FFT, Flow, Game, GCD, Geometry, Graph, Greedy, Hashing, HeavyLightDecomposition, Implementation, InclusionExclusion, Interactive, KnuthMorrisPratt, LowestCommonAncestor, Math, Matrix, MatrixExponentiation, MergeSortTree, ModularExponentiation, MOSAlgorithm, MST, NTT, NumberTheory, Parsing, PersistentLiChaoTree, PersistentSegmentTree, PollardRho, PriorityQueue, Probability, Queue, RabinMiller, RangeOrderStatistics, Scheduling, SegmentTree, ShortestPath, Simulation, Sorting, SparseTable, SpragueGrundyTheorem, SqrtDecomposition, Stack, String, StronglyConnectedComponents, SuffixStructure, TernarySearch, Tree, Trie, TwoPointer, WaveletTree

Toph uses cookies. By continuing you agree to our Cookie Policy.