Easy Prime!
There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...
Rivalry Friends
Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...
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...
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...
Exists or Not Exists
You will be given some numbers. Then there will contain some queries. In every query there will be g...
Itachi's Challenge
Sasuke is a 12-year old ninja who is very much interested in learning Ninjutsu (A tactic used by nin...
Welcome to Criterion Rounds
The team congratulates you for participating in this contest and for being part of the journey towar...
Just Another Range Query
This is another simple range query problem where you will perform some updates and answer some queri...
A Unique Array
An array is called "unique" if it has no consecutive element with same value(A[i] != A[i-1]). Given ...
Distinct Dishting
You are given an array of N integers. Then there will be Q commands of the following type: Change ...
Paltu, a Prime Lover
Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da...
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...
Taju Kage Bunshin No Jutsu
Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...
Crayons
Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...
GCD and Sum
Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first...
Maximum Distance
You know it’s hard seeing your favorite person being interested in another one instead of you. At th...
Jumping Frog (II)
A frog wants to cross a river. There are some posts in the river. The frog can go from one post to a...
Change Queries
Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the...
Straightforward
No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen...
Nothing Is Absolute, Everything Is Relative!
You are given an integer array, A[] of size N, and an integer M. Then you have to perform a total of...
Palindrome and Queries
You'll be given an array A of N strings containing lowercase English letters only and Q queries. In ...
A Journey to Rupsha
Tomorrow, April 14th, 2019 is a special day. Guess why. Bengali New Year? Your guess was partially c...
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...
Escape Plan
Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ...
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