Problems
Never Never Land! The king of never never land hates the word "never". So saying the word "never" is a crime there. Ev... |
Sabiha and the War Victims Sabiha is working as a leader of the volunteers to help the victims of the Syrian Civil War. There a... |
Playing With BITs Little boy Tom recently learnt about BIT operation. And he is interested in it. So he himself plays ... |
Mr. X and His String Mr. X found a string of length N, which contains only 0 and 1. He calculates the value of a string b... |
Poga The War Stopper Poga is a war victim who lost everyone dear to her in war. Now, she leads a team of veterans who try... |
Mr. Savior “Stop War, Save Life” - a life-changing motto proposed by the “Peace Want Society”. The head of this... |
Minions and War In the land of Minion, there are N Minions. They have their own power to survive themselves from ene... |
Designing a Data Structure Data structure is one of your favourite topics, isn't it? Let’s design a new data structure! In this... |
Cake Controversy “Stop War, Save Life” – A life-changing motto proposed by Peace Want Society (PWS). To establish thi... |
Mr. Tom and Relief Goods Mr. Tom wants to help war-affected people by giving them shirts. For this he collects shirt from tho... |
Easy Math You will be given three integers a, b, m. Print ( ab ) mod m. There will be 30 test cases at most in... |
Bomb Disposal Strings Prohor is the cheif of bomb disposal unit of "Anti Terrorists Squad" (ATTS). She is now in PeculiarL... |
Acer Rubrum You are given a tree. Each of N vertices has time, when it is active (from tstart to tend inclusiv... |
Books For War Victims Little Prohor is a war victim. She lives in HellOnEarth. She loves reading book. Her situation can't... |
Biswa and Red-Black Ants Biswa has come to Antland for a trip. There are N holes in total in Antland. He can start visiting f... |
War of Kingdoms There is a country named WARLAND. It is a big country, so it is divided into N kingdoms. Each kingdo... |
Just Primes II (Easy) Given a positive integer N, calculate the minimum number of distinct primes required such that their... |
Water Project of Black Iceland Black Iceland is one of the largest populated city in this world. Due to pollution and scarcity of p... |
Just Primes II (Hard) Given a positive integer N, calculate the minimum number of distinct primes required such that their... |
Alice Loves to Play Games Alice loves to play game. Recently, she downloaded a new game from google play store. In this game, ... |
Be Efficient!! Little Anita was again thinking about a problem! Recently she was thinking about installing some foo... |
Secret Sorting Order You will be given a list of words which were sorted based on some unknown ordering among the letters... |
Problematic Problem Setters A new national level contest will be held next month. So chief judge asked some problem setters to s... |
Bikpik Colony Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv... |
Light The Candle You have N candles of different lengths. For a candle of length L, you can light it for L minutes. N... |
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
