Taju Kage Bunshin No Jutsu
Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...
Easy Prime!
There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...
Queries, Queries Everywhere
You are given an array a of length n. You are also given q queries on the array and you have to proc...
Exists or Not Exists
You will be given some numbers. Then there will contain some queries. In every query there will be g...
Straightforward
No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen...
Count the Chaos
Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr...
Another Query on String
You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o...
Palindrome Query I
You are given a string of length L. You have Q queries. In each query, you will be asked to either u...
Welcome to Criterion Rounds
The team congratulates you for participating in this contest and for being part of the journey towar...
A Journey to Rupsha
Tomorrow, April 14th, 2019 is a special day. Guess why. Bengali New Year? Your guess was partially c...
Answer the Queries
Given an array of N elements, indexed from 0 to N−1. Now you are given some queries in the form [L,R...
A Unique Array
An array is called "unique" if it has no consecutive element with same value(A[i] != A[i-1]). Given ...
GCD and Sum
Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first...
Paltu, a Prime Lover
Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da...
Crayons
Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...
No Onion, No Cry
-Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I...
Subsequence Fight
You are given an array a1​,a2​,…,an​ consisting of n distinct integers and an integer k. You can cho...
Distinct Dishting
You are given an array of N integers. Then there will be Q commands of the following type: Change ...
Superman and the Buildings of Dahaka
To end the long-running feud between Superman and Goku fans regarding who's stronger, Zeron has deci...
Donate Our Department
We are students of CSE, IU. It is very well known that our departmental instruments are not so good....
Bored??
"Avoid touching your face, particularly your eyes, nose or mouth to prevent the virus from entering ...
Protik and Hill Climbing
Who doesn't want to save a mother? Like everyone,  Protik was finding a way to earn some money (he h...
Subtree MEX
You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no...
Just Another Range Query
This is another simple range query problem where you will perform some updates and answer some queri...
Itachi's Challenge
Sasuke is a 12-year old ninja who is very much interested in learning Ninjutsu (A tactic used by nin...
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