Problems
Lucky Shirt Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac... |
Expected Oddness Alita found a string of n characters where each character of the string is either '0' or '1'. The Od... |
Robi Kaka's Cube Our beloved Robi Kaka has invented a cube. You have to solve only one side of this cube – a square o... |
Spreadsheet v1 Are you trying to find a problem that is easy to solve? Even if it involves writing a lot of code? T... |
ML Vs AI Nowadays, CS students try to learn Machine Learning and Artificial Intelligence even before learning... |
Christmas Tree Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia... |
Subarray Pyramid An integer sequence $b_1, b_2, \ldots, b_m$ is a pyramid if it satisfies the following conditions: ... |
The Total Score of an Array Let’s say, min is the minimum element of an array and max is the maximum element of an array. The sc... |
The Multiplayer Action Game Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ... |
Smriti Smriti is a Bangla word means memory. When we see an equation, we go back to the memories of our sc... |
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... |
Liton : The Professional According to Wikipedia, Léon: The Professional is a 1994 English-language French action crime thrill... 
Moderate
8/9/16 |
Goku's Tree Recently Goku has discovered a rooted tree graph. Goku’s tree has N nodes, among them node 1 is the ... |
Unfair Robot Race Two teams of robots, Team A and Team B, are racing in a 2D grid. There will be a total of 6 rounds. ... |
Subarray Replacement You are one of the greatest programmers of the decade. Ahasan heard that you can solve range query p... |
Jimmy and Jamy Jimmy and Jamy are two brothers. They like to play with colored marble. Jimmy has N boxes with three... |
Birthday Present?! As everyone gifts graphs or strings to people on their birthdays, Oyshee’s friends decided to do som... |
The Election of Noakhali Recently, Noakhali became a sovereign state. As a result, the first parliamentary election of the Re... |
Red Blue Graph You are given a connected, undirected, unweighted graph. You need to assign one of the two colors Re... |
The Time Trial Challenge Mita’s team had always been a good team when it came to competitive programming, and this year, thei... |
The Lone Wolf Just like you, the Lone Wolf is a loner and amidst a row of soulmates at Dhanmondi Lake today, only ... |
Shortest Sub-Array You are given an array $A$ consists of $N$ elements. You have to perform $Q$ queries on the array. ... |
Just Primes II (Hard) Given a positive integer N, calculate the minimum number of distinct primes required such that their... |
Heights of the Trees There are many long trees in a forest. You will be given some relevant information about the trees a... |
Matchstick Man Are you familiar with Matchstick Art ? Well.. you make different kinds of objects with matchsticks. ... |
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
