A.
Time for a Treat In Kgs, we go to the buffet to have dinner once in a while. Suppose you are in such a dinner. The bu... |

B.
Farmers Imagine, you are on a village, represented by a 2D grid consists of ‘X’ and ‘.’, where ’X’ stands fo... |

C.
Directory Specialist In Kite Games Studio, we have an old computer that runs on Linux. As the computer is very old, we’re... |

D.
Crop Harvesting Imagine a 2D grid of N⋅M cells, where N is the number of rows and M is the number of columns. There... |

E.
A Simple String Problem You will be given a list of N unique strings L. You have another empty list P. Then you will be aske... |

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.