## An Obvious Interactive ProblemI pick a number. You guess it. You can guess at most 25 times. For every guess you make, I will tell... |

## Ice-Cream of Montu Mia Again!Montu Mia is a student of “Omok School”. He likes to eat an ice-cream every day. But he also likes t... |

## Balanced ReliefThanos just finished his relief work. We all know that Thanos loves balanced things. So he finds som... |

## Sofdor Ali and Attack OptimizationTuki and Jha is in the middle of an interplanetary war and their base is under drone attack! They ar... |

## Be Like HasibHasib, the famous programmer, uses a little game when he teaches Binary Search to his students. He r... |

## Easy Sequence 1Let’s define an easy sequence F. Where F(1)=1 F(1) = 1 F(1)=1 F(2X)=F(X)2+1 F(2X) = F(X)^2 + 1 F(2X)... |

## The Multiplayer Action GameHave you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ... |

## Largest PrimeA positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe... |

## Kitorp and His LoveKitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte... |

## Spot It!Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t... |

## Master PlanGakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov... |

## Lucky ShirtMarjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac... |

## BuildingsThere are n buildings in a row. The height of the i'th building is hi. You have ৳k. It is the amount... |

## Mind Flayer Has Attacked Again!Mind flayer, the shadow monster has attacked the town of Hawkins again. This time, the mind flayer h... |

## I Scream, You Scream!Meem loves ice cream cones. So much so that she created an ice cream stand to share the joy of ice c... |

## Complex OperationsYou are given an array A of length N. You have to perform two different types of operations. In the ... |

## The Story of StringlandThe king of Stringland is employing an elite force of undercover agents to protect the kingdom from ... |

## Poltu and Interesting NumberPoltu Loves interesting number. So he wants to find this type of number. The definition of an intere... |

## Most Difficult Problem EverYou are given a function like below: long long F(int A, int B, int C, long long x) { long long res =... |

## Answer the QueriesGiven an array of N elements, indexed from 0 to N-1. Now you are given some queries in the form [L, ... |

## XOR PartitionNeo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ... |

## M-SequenceA sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of... |

## Jenga TowerMaybe you all are familiar with Jenga Game. "Jenga is played with 54 wooden blocks. Each block ... |

## N CitiesIn a country there are NNN cities numbered from 111 to NNN. To Travel along the cities there are tot... |

## WatercolorBob is the owner of a shop named "Color Maker". He has 256 types of watercolor in his shop... |

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.