Divide and Conquer Problems
Generation Gap There are n people standing in a queue. The age of the ith person is ai. The more the age gap betwee... |
Lucky Stone Game Alice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make... |
Flow on Tree Mr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem.... |
Reverse Hash Binary strings are strings that can only have 0 or 1 as the characters. The hash value of a string i... |
Keep It Cool As the workload of the semester is ramping up you get the task of refilling the fridge in the lab wi... |
Is It Perfect Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f... |
The Hidden Island It is believed that the hidden island of TreasureLand has many unsolved mysteries and undiscovered t... |
Make Strings Great Again! Do you know what is a sub-sequence? A sub-sequence is a sequence that can be derived from another se... |
Gaaner Koli The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi... |
Paranoid Trading You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta... |
Hasinur's Mission! Let me tell you something about Hasinur: He is a religious person. He prays 5 times a day. He loves... |
Ne-Zu-Ko Chaaaaaaaaaaaaan! Tanjiro and his sister Nezuko live in a village that is shaped like a circle with a radius R. There'... |
Babur Biye Babu is getting married. Babu's fiancé is a prominent programmer of Bangladesh. She told Babu to sol... |
Jontrona! Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa... |
Game of Tic-Tac-Toe Alice and Bob is a playing a game of tic-tac-toe, to be precise a variant of tic-tac-toe called Nota... |
Naughty Subsequence - V2.0 Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c... |
Alternative Subsequence: The Extension Recall that the sequence b is a subsequence of the sequence a, if b can be derived from a by removin... |
Interesting Pile Game Turja and Akash are playing an interesting game. Initially a pile of N stones is given to them. Each... |
Memes vs. Social Media In this era of modern technology social media is the most powerful weapon and the viral issue is the... |
Another Update-Query Problem You will be given an array A of length N and you will have to perform Q operations on that array. Th... |
Master Plan Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov... |
Efficient Construction on Mars Elon Musk has constructed N cities numbered from 0 to N−1 on Mars. He initially planned to construct... |
m-Beautiful Numbers An m-Beautiful Number is a number which is divisible by $m$ and the sum of the digits is also divisi... |
Estimation of Techboy Techboy works in a software company. He codes in Node.js and React. Every now and then he has to giv... |
Is Bita Happy? Bita has learned bitwise-operations recently. She is doing some experiments with these operations no... |
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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
