Divide and Conquer Problems
Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |
Convert String Into Palindrome A palindrome is a word, number, phrase, or other sequence of characters which reads the same backwar... |
The Perfect Collection Given an array A of N integers, if we choose any K of these integers and calculate their bitwise XOR... |
LIDS We all know about LIS (Longest Increasing Sub sequence). The task to find the length of the longest ... |
Paranoid Trading You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta... |
Ne-Zu-Ko Chaaaaaaaaaaaaan! Tanjiro and his sister Nezuko live in a village that is shaped like a circle with a radius R. There'... |
Master Plan Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov... |
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... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
Gaaner Koli The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi... |
Rainy Day You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Interesting Pile Game Turja and Akash are playing an interesting game. Initially a pile of N stones is given to them. Each... |
OCD Returns! This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o... |
Demonic Subset Lets not waste your time with long tiring problem statement and just go straight to the point. You a... |
Maximum Sum Little Jimmy loves to play with numbers. One day he was playing with a number sequence. In his game,... |
Sticking Pins You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ... |
Super Mario Bros Every kid loves to play Super Mario Bros. Mario moveু forward and collects coins in a stage. Stages ... |
Very Dirty String Strings are difficult, most of the contest programmers say this and try to avoid string algorithms. ... |
Lucky Stone Game Alice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make... |
Penguins of Madagaskar You all heard about the Penguins of Madagaskar. They work for the penguin kind and loves cuteness. O... |
Cent Savings To host a regional contest like NWERC a lot of preparation is necessary: organizing rooms and comput... |
Third Dimension Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across... |
Easy Sequence 1 Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit... |
Smart Feature Phone 2 Alice worked in CIA. Right now he need to send an encrypted message to the headquarter(HQ) of CIA. ... |
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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
