Divide and Conquer Problems
A Giveaway Mr. Tom is the head of ICPC world final organizing committee. For the world final, he comes to Dhaka... |
A Journey Towards One Given N. You can perform 3 types of operations: Increase N by 1. Decrease N by 1. Divide N by 2, av... |
Alice in Candyland Alice came up with a new game. In this game called "Candy Quest", there is a NxN size 2D grid. In ea... |
Aliens 19 February 2020, Unidentified flying object (UFO) has captured student’s attention on top of the CS... |
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... |
Angels and Demons You are walking at midnight along a road that has N checkpoints numbered from 1 to N from left to ri... |
Anina's Christmas Tree This Christmas Anina and her friends have decided to make some Christmas trees to decorate her town.... |
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... |
Array Partition Today Leena learnt about subarrays and partitions. Given an array $A$, a subarray of this array is a... |
Assigning Workstations Penelope is part of the admin team of the newly built supercomputer. Her job is to assign work-stati... |
Babur Biye Babu is getting married. Babu's fiancé is a prominent programmer of Bangladesh. She told Babu to sol... |
BAPG Russell loves solving math problems and also playing online games. Recently, he has started playing ... |
Bikpik Colony Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv... |
Binary Pigeons There are $N$ pigeons standing one after another in a straight line. There are two kinds of pigeons:... |
Birthday Gifts Today is Luke's birthday. Mr. Phil Dunphy (Luke's father) has thrown a birthday party for him and de... |
Birthday Present?! As everyone gifts graphs or strings to people on their birthdays, Oyshee’s friends decided to do som... |
Brain Pleased Like most of the other teenage girls, Shabnam loves to generate strings. But recently, she discovere... |
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... |
Buildings There are n buildings in a row. The height of the i-th building is hi. You have ৳k. It is the amoun... |
Burger King Every day, more than 11 million guests visit BURGER KING® restaurants around the world. And they do ... |
Cash Change You have an unlimited number of cash notes of the following denominations: 1, 5, 10, 50, 100, 500. G... |
Cent Savings To host a regional contest like NWERC a lot of preparation is necessary: organizing rooms and comput... |
Chocolate There is a shop named Chocolove in the Codeland. There are many chocolates in the shop. Each chocola... |
Complex Tashreef Tashreef finally received the Zuinness Journal of Galactic records recognition for being the most co... |
Convert String Into Palindrome A palindrome is a word, number, phrase, or other sequence of characters which reads the same backwar... |
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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
