Problems
You Want Chocolate? Bear Limak is very much fond of chocolate. His mom wants her son to study hard and develop his skill... |
Game of Tic-Tac-Toe Alice and Bob is a playing a game of tic-tac-toe, to be precise a variant of tic-tac-toe called Nota... |
Squares Inside Square Hello , Programmers. There is one thing that I don't like about competitive problem solving, which i... |
Special Keyboard Herok, the fastest typist in the world, has a special keyboard. The keyboard only has n different ke... |
Byang of Interest Byang is the most famous detective of Dhaka City. He has just received a secret document regarding h... |
Institute of Mathematics Let's introduce you to our very own Mishal Sir. After completing his Ph.D. from the University of Ma... 
Easy
134/152/301 |
The Archipelago of Mirpur The archipelago of Mirpur consists of N islands. The famous architect PogPog was hired to connect al... |
String Is Not That Easy Let's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102... |
Make More Money You, the great businessman of TEUB, arrived at ESC land which consists of N cities numbered from 1 t... |
Event Timing Bob is making a new application for Android phones. Front-end of his app has a button like this: Whe... |
Daredevil Punishment After the death of Mysterio, People started hating Peter Parker. Peter and his relatives were arrest... |
Such an Odd Product On his way home after a hectic day full of lab works, Tim found a sequence a1,a2,…,an of positive... |
Suffix Cutting You are given an array a consisting of n integers a1,a2,....,an. The array is called beautiful if... |
Sum of GCD and LCM The greatest common divisor (GCD) of two integers, is the largest integer that divides both of the i... |
Hack the Vault Security The Cricket World Cup 2023 happened and grabbed everyone's attention with awesome games and amazing ... |
GCD Grid You are given two integers N and M. You have to make a grid of N∗M size by following these rules: E... |
Easy Factorial? It is time to show your performance on number theory. Why so late? Come to the point. You are given... |
Mr. Zuckerberg's Age Game Mark Zuckerberg is the founder and CEO of Facebook, which he started in his college dorm room in 200... |
Far From Sorted Basim is new to programming. After learning about basic problem solving and data structures, he is n... |
Prime Range Prime Numbers are such numbers which are only divided by 1 and the number itself. 2, 3, 5, 7, 11, 13... |
Convex Hull Generator You have to generate a convex polygon which has N points each Xi is distinct and is between 1 and N... |
Complementing DNA In DNA strings, symbols 'A' and 'T' are complements of each other, as are 'C' and 'G'. The reverse c... |
Giveaway Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t... |
Game of Fifteen Little Tanjima loves to play with numbers. Her favorite subject is math. Recently her tutor Zuaina t...
Easy
247/336/1k |
Crypto-Number Walt and Gus have a great rivalry. Recently Gus has developed a cryptographic system. Walt is trying... |
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
