Problems
Without Any Legend You have two arrays $A_1, A_2, ..., A_N$ and $C_1, C_2, ..., C_N$ of length $N$. Initially for each ... |
Range Product Mr. Jack is a Genetic Engineer but he is not good at Mathematics. At this moment, he is facing a mat... |
Spreadsheet v1 Are you trying to find a problem that is easy to solve? Even if it involves writing a lot of code? T... |
TriCoder Tournament This year, KUET is hosting the TriCoder tournament. Two other universities have joined this tourname... 
Moderate
10/11/15 |
Costly Array Oyler received a peculiar homework from his school. The teacher gave him a positive number $n$ and t... |
The Game of Rocks Alice and Bob have come up with a new game. Bob gives Alice a NxM grid that contains N rows and M co... |
Cycle of Numbers Consider the following function f defined for any natural number: f(n) is the number obtained by sum... |
Liton : The Professional According to Wikipedia, Léon: The Professional is a 1994 English-language French action crime thrill...
Moderate
8/9/16 |
Find the Prime Number You are given a bidirectional graph with N vertices and M edges. All edges are painted into either r... |
Can You Make It Close A boy named Poltu is very fond of food. He eats a lot and you can tell so by looking at him. There a...
Moderate
6/40/243 |
Walk on the Grid There is a grid of size $R\times C$ where $R = $ Number of rows and $C = $ Number of columns. You sh... |
Play the Lottery The statement of this problem is going to be short and sweet because the setter was busy with life a... |
Game of Strings Redoan is very fond of strings. He wants to go on a spree of solving string problems. His own teamma... |
OCD Returns! This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o... |
Clickbait Clickbait is something (such as a headline) designed to make readers want to click on a hyperlink es... |
No Need for Speed Mr. Baker always wanted to be a race car driver. But failing to reach his dream goal, he started his... |
National Flag Today is the 16th December, a red letter day of our national history. The whole country equipped wit... |
Jenia's Homework Jenia is a very talented girl. She got homework from school. She is such a nerd who cries if she can... |
Answer the Queries Given an array of N elements, indexed from 0 to N−1. Now you are given some queries in the form [L,R... |
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... |
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... |
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
