## 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... |

## Color The GraphYou are given an acyclic, bidirectional graph with NNN nodes and M edges. The nodes are numbered fro... |

## Count the ChaosImagine, you have an array of integers of size NNN. At each index of this array is a unique integer ... |

## Neat BracketsGiven a sequence of opening and closing parentheses ("(" and ")") you will have ... |

## CrayonsFive friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra... |

## Set UnionGiven two sets of integers, print the set containing the union of the two input sets. For example, g... |

## Tree QueriesYou are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |

## Easy Prime!There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |

## Byang and War TacticsByang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr... |

## Taju Kage Bunshin No JutsuNaruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses... |

## Another Query on StringYou are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |

## Sofdor Ali and Bracket SequenceSofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |

## Dengue Affected AreasDengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |

## Ajob Commute IIOnce again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy... |

## Data StructureThe operations that are performed in a data structure can be categorized into two types: query and u... |

## City of BurgerlandHave you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s... |

## Rivalry FriendsRyo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |

## Distinct DishtingYou are given an array of NNN integers. Then there will be QQQ commands of the following type: Cha... |

## A Super Easy Problem - "Array Query"Let's get into the problem directly without much description this time :D . You are given an array A... |

## MSIS!Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s... |

## Smallest SubarrayYou are given an array A of N integers A1, A2, A3, ..., AN . If we select two indices (1 ≤ i ≤ j ≤ N... |

## Police StationsRecently the government of country S is going to construct some police stations(possibly zero) in so... |

## StraightforwardNo gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen... |

## Array SimulationYou are given an array of N elements. Initially all the indices have a value of 0. You have to do fo... |

## Hide and SeekYou know how to play hide-and-seek, right? In a group of kids, one of them is selected to be the see... |

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

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