Problems
Change in Array You will be given an array of length N. Then there will be Q queries. Each query will contain four i... |
Change Queries Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the... |
Cheap Tourist The country of Byteland is divided into N provinces numbered from 1 to N. The provinces are connecte... |
Cheers !! Isabella is from the 19 series of RUET. She loves programming. Also, She considers a number lucky fo... |
Chemical Reaction In this problem you will be dealing with chemical reaction. In real life, the simulation of a chemic... |
Chemical Reaction II The simulation of chemical reactions are always complex. Professor X has devoted himself to studying... |
Chief Thief A group of thieves steal only money. Every morning they deposit the money to their leader. The leade... |
Chikongunia Chikongunia is an epidemic in Dhaka right now. Many people are affected by this. But the problem is,... |
Childhood Game About twenty years ago, when we had only 16MB RAMs and 5GB hard disks, playing games might seem like... 
Very Easy
9/15/40 |
Choco Fun You brought C chocolates to a party where there are A adults and K kids. You know that an adult will... |
Chocolate There is a shop named Chocolove in the Codeland. There are many chocolates in the shop. Each chocola... |
Chocolate BUET CSE FEST’23 has come to an end!!!! Chimatu Can’t stop crying as he already started to miss the... |
Chocolate Rounds In a magical Victoryland, there is a princes named “Rowshan” who loves chocolate bar a lot and don’t...
Moderate
11/16/55 |
Chocolates Asiar likes chocolates a lot. One day, she was walking by the road to her school. Suddenly a magicia... |
Choco Moco Aminul & Imran are good friends. Not only friends but also teammates. Their team NSU MeowMax qualifi... |
Choice Is Yours For not participating on contests regularly, Hasnaine (read Has9) has decided to kill Santo. But nob... |
Chop Chop There is a convex polygon A of n vertices and you want to divide it into two convex polygons P and Q... |
Chord Creation “One chord is fine. Two chords are pushing it. Three chords and you’re into jazz.” -Lou Reed Do you ... |
Chor Tintin Tikri A new land, what we call “chor”, has emerged. Local people have already given it a name “Chor Tintin... |
Choto Chele and Dumb Numbers “Choto Chele” loves natural numbers very much. He enjoys playing with numbers. He defines numbers wi... |
Chowdhury Saheb & the Numbers You like short description of problems? Me too! Let's go to an easy problem. You are given an array ... |
Chow, Mo Mo, the jumper has found an extraordinary tree in the woods. He absolutely loves it. He already has ... |
Christmas Gifts It's Christmas time! It's the time when Santa brings gift for the children. This year Santa has $K$ ... |
Christmas in Vikendi Once upon a time, there was an ancient city called Vikendi. In the city of Vikendi, there were $N$ s... |
Christmas Tree Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia... |
Tags
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
