Problems
Diagonal Sum Given an N×N size matrix, you have to re-arrange the elements of the matrix in such a way that the d... |
Cocoa Coalition Alice and Bob decide to share a chocolate bar, which is an $n$ by $m$ rectangular grid of chocolate ... |
Sudoku The Prothom Alo newspaper sometimes publishes Sudoku for interested readers to solve. Later the solu... |
Eeny Meeny 'Eeny meeny miny moe' is a well-known nursery rhyme in English, used (among other things) by kids to... |
Description is Pathetic Do you know what is the hardest part of creating a problem? Thinking and writing the description. Yo... |
Maze Ball Game Your friend Yulianna Karaulova, likes to play maze ball game. You are going make a DIY project to bu... |
Spot It! Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t... |
The Easiest Problem Tareq Abrar is a lazy programmer. He has a friend named Aminvai, who is famous for his amazing skill... |
Recursive Function A common example of recursion goes something like this: long long recur(int x){ if (x==0){ return X0... |
Jealous Youngsters It is chaos playtime at kindergarten again, and teacher Tom is having some difficulties. You see, ki... |
Number Game Jhontu and Montu are brothers. They tend to skip study and play. So to keep them busy, a senior stud... |
Hide and Seek You know how to play hide-and-seek, right? In a group of kids, one of them is selected to be the see... |
Cut the Rope Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ... |
Do You Know Tree ? "Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh.... |
Poltu the Legend Serajnagar M. A. Pilot Model High School is situated at Raipura, Narsingdi, Bangladesh. This school ... |
Biswa and Restaurant Business After huge success in Borhani business, Biswa has recently started restaurant business. He’s got the... |
Sheldon's Obtuse Triangle We all know Sheldon Cooper from The Big Bang Theory. Recently he got his Nobel Prize. He likes polyg... |
I Hate Combinatorics! Rick and Morty are being hunted by the galactic government. They ran away to the cell dimension. The... |
Nothing’s more contagious than laughter Gotham, a city full of criminals. But there is one who is more than just a criminal. He brings pure ... |
Is This a Give-Away? Once there lived an ancient mage named Farabi. He could always give perfect weather forecast. He nev... |
ML Vs AI Nowadays, CS students try to learn Machine Learning and Artificial Intelligence even before learning... |
The Wise Man Lukman loves to search the root of everything.Once he was reading the holy Quran. At the beginning h... |
Broken Roads and Hearts Have you heard of the sad story of the place of Banasree? People cannot travel because of the terrib... |
Enormous Product You are given two integers l and r. You need to find the value of x=l∏rx(x+1) As the value of this ... |
String Is Not That Easy Let's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102... |
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
