Problems
Bored in Box After becoming a demon, Nejuko can’t go out in the sunlight. Most of the daytime she stays in a box.... |
Holy Day Maruf is a student of Dept. of Computer Science & Engineering, Sylhet Polytechnic Institute. Right n... 
Moderate
39/40/42 |
Fascination of ZERO Sajeeb and Shoikot are two friends. Both are love mathematics. Sajeeb has a fascination with ZERO. T... |
Jumping Frog (II) A frog wants to cross a river. There are some posts in the river. The frog can go from one post to a... |
Inosuke and Trailing Zero Inosuke and Tanziro are overjoyed because Mr.Haganezuka is bringing their sword of revenge. Because ... |
Harry Potter and the Vault of Gringotts "There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Second Wi... |
Tanjiro’s Training With Kanao After the fight in the Natagumo Mountain, Tanjiro felt the need to get sharper. Because in recent fi... |
Game in a Binary Grid Binary grid indicates to a grid that contains only 0s and 1s in its cells. You can find a plus(+) sy... |
GCD and Sum Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first... |
Lowercase or Uppercase You are given a string S consisting of lowercase English letters (a, b, c ….. z), uppercase English ... |
Betting Business You have opened a new betting business. You have decided that you will accept bets on the upcoming C... |
Minimize the Odds Ridoy is a world class programmer. He writes his programs with a lot of care so that the odds of a b... |
Two's Company, Three's a Crowd n racers have competed in a Formula 1 racing tournament. Given the amount of time taken by each driv... |
Chemical Reaction II The simulation of chemical reactions are always complex. Professor X has devoted himself to studying... |
The Cat and Mouse Juxtaposition In a house, there are n rooms in a line, with the rooms being numbered from 1 to n from the left to ... |
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... |
OCD Returns! This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o... |
Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |
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... |
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... |
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
