Paltu, a Prime Lover
Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da...
Path Intersection Extended
Do you remember the problem from ICPC Dhaka Regional 2018 named $Path$ $Intersection$ by Md. Imran B...
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...
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...
Rivalry Friends
Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...
Stick Game
Shahwat has a stick that has n blocks that are indexed from 1 to n (from first to last). Each block ...
Straightforward
No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen...
Subsequence Fight
You are given an array a1​,a2​,…,an​ consisting of n distinct integers and an integer k. You can cho...
Subtree MEX
You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no...
Superman and the Buildings of Dahaka
To end the long-running feud between Superman and Goku fans regarding who's stronger, Zeron has deci...
Taju Kage Bunshin No Jutsu
Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...
Welcome to Criterion Rounds
The team congratulates you for participating in this contest and for being part of the journey towar...
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