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.... |
Boss Kauke Gune Na It was the time of General Aladeen. "Kabir The Boss" was then a little child. On his birthday, Gener... |
Bouquet For My Valentine Valentine's day is coming. (I know, it's still 9 months away, but bear with me) Najib is planning a ... |
Bowler of the Match The ICC or the International Cricket Council is the highest regulator of the game of cricket. ICC ha... |
Boys in the Assembly N boys are standing in the assembly. There is a single line only. Boys are denoted by their roll num... |
BPL Mubarak! Bangladesh Premier League is in Sylhet for the first time. Today's match is Sylhet Sixers vs the Dha... |
Bracket Sequence You are given an N-dimensional array A. Each cell of this array contains either an opening bracket o... 
Moderate
3/3/5 |
Brain Fold (Easy) Shandyna loves nerd sniping. (Don’t worry, she only does it in safe enviroments.) Last time she got ... |
Brain Fold (Hard) Shandyna loves nerd sniping. (Don’t worry, she only does it in safe enviroments.) Last time she got ...
Moderate
1/3/4 |
Brain Pleased Like most of the other teenage girls, Shabnam loves to generate strings. But recently, she discovere... |
Breaking Math The worst of them is Heisenburg, a badass physicist and the ultimate druglord. Walter needs Heisenbu... |
Bridge Puzzle There's a famous bridge puzzle, where you have four persons, each with a unique time required to cro... |
Broken Chain Jahid loves Motorbikes. He really wants to have a bike of his own. So he requests his elder brother ... |
Broken Roads and Hearts Have you heard of the sad story of the place of Banasree? People cannot travel because of the terrib... |
Broken Wall Alice has built a rectangular wall of N×M squares. The wall is made entirely of rectangular black an... |
Broly and His Respect Broly is the legendary warrior who loves his planet and always prepares himself to protect the plane... |
Brownian Motion Microscopic particles suspended on any fluid has a chaotic behavior since they do not stay at same l... |
Brush Drawing Arav is a curious young boy. He is learning to draw circles. He only got one color but a lot of brus... |
Bubble Shooter Bloblob is a very famous bubble shooter. He has a Rifle with an infinite number of bullets to shoot ...
Moderate
48/53/118 |
Bucket You have a bucket of numbers which is initially empty. You have to perform Q operations of 4 differe... |
Buckets of Water In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st... |
Budget Tour Dipu Bhai lives in a country called Chocoland. There are n cities in Chocoland. The cities are numbe... |
Budget Travel You and your friends are always excited about travelling new destinations, specially if they are che... |
Building Boundaries Maarja wants to buy a rectangular piece of land and then construct three buildings on that land. The... |
Buildings There are n buildings in a row. The height of the i-th building is hi. You have ৳k. It is the amoun... |
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
