Problems
Nothing’s more contagious than laughter Gotham, a city full of criminals. But there is one who is more than just a criminal. He brings pure ... |
Army of the Avengers Thanos Finally did it. He has collected all six infinity stones and wiped out half the life of the u... |
Brush Drawing Arav is a curious young boy. He is learning to draw circles. He only got one color but a lot of brus... |
Hello From Linear Algebra Techboy has m equations with n unknowns like below – ai1 x1+ ai2 x2+⋯⋯⋯⋯⋯+ ain xn= di , where 1≤i≤m ... 
Moderate
6/10/36 |
Fun Game Let's play a fun game. The game is played in a N x N size grid. There are M players in this game. Ea...
Moderate
6/7/12 |
Elementary Math Ellen is teaching elementary math to her students and the time for the final exam has come. The exam... |
Adjoin the Networks One day your boss explains to you that he has a bunch of computer networks that are currently unreac...
Very Easy
6/8/17 |
Oishi Teacher and Her Naughty Class Oishi teacher has returned to her class after the tiffin break. She noticed that some students who r... |
Powerful Array You are given an array A of N integers . Now you have to process Q queries in this array. Each query... |
Dividing the Gifts Today is a very good day in CSEmpur because Tuktuki has bought N gifts! Tuktuki wants to give these ... |
Inversions and Goodbye It's time to say goodbye to CSEmpur, at least for today. And so you wanted to give the citizens of C... |
A Perfect Binary Tree A perfect binary tree is a binary tree in which all interior nodes have two children and all leaves ... |
Donate Our Department We are students of CSE, IU. It is very well known that our departmental instruments are not so good.... |
Array Partition Today Leena learnt about subarrays and partitions. Given an array $A$, a subarray of this array is a... |
Tricky Racer Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick... |
Save Sherlock's Friend Sherlock and Dr. Watson are investigating a very rare case in China. Suddenly in the middle of the i... |
Birthday Present Today is problem setter's best friend Jenny’s birthday. Long ago, Jenny, being a very clever girl, a... |
Sakuru Sankakkei Shawon and Tarek are very good friends. One day Shawon gives his friend Tarek a geometry problem. Ta... |
Square Maze Sajib is a criminal. Respected judge has sentenced him to prison for 10 years! He is now spending hi... |
Find the Ship You will be playing an interactive game in this problem. The game is played on a 7×7 square grid. Ea... |
Save the Forest Last year, our largest rainforest Amazon suffered the worst wildfire of the decade. The wildfire cau... |
A Dog Ate My Homework Leonhard’s math teacher loves prime numbers. As homework, the teacher gave Leonhard a number n, told... |
Hirak Rajar Desh Hirak Raja, the king of the country “Hirak Rajar Desh”, the conqueror ultimate, wanted to expand his... |
Helikopter Helikopter Tommy Vercetti has completed the infamous RC helicopter mission after many attempts. And now he ne... |
Average Query You are given an array s1,s2,…,sn of length n and an arbitrary integer x. For an array, c1,c2,…... |
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
