Path Intersection Extended Do you remember the problem from ICPC Dhaka Regional 2018 named $Path$ $Intersection$ by Md. Imran B... |
Birthday Present Today is problem setter's best friend Jenny’s birthday. Long ago, Jenny, being a very clever girl, a... |
Maximum Distance You know it’s hard seeing your favorite person being interested in another one instead of you. At th... |
Change Queries Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the... |
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... |
Stick Game Shahwat has a stick that has n blocks that are indexed from 1 to n (from first to last). Each block ... |
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... |
Maximum Meetings I am the boss of my company. I have n employees. The office time of my company starts at 1. Every em... |
Escape Plan Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ... |
Itachi's Challenge Sasuke is a 12-year old ninja who is very much interested in learning Ninjutsu (A tactic used by nin... |
Just Another Range Query This is another simple range query problem where you will perform some updates and answer some queri... |
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... |
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... |
Distinct Dishting You are given an array of N integers. Then there will be Q commands of the following type: Change ... |
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... |
Crayons Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra... |
Paltu, a Prime Lover Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da... |
GCD and Sum Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first... |
A Unique Array An array is called "unique" if it has no consecutive element with same value(A[i] != A[i-1]). Given ... |
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 Journey to Rupsha Tomorrow, April 14th, 2019 is a special day. Guess why. Bengali New Year? Your guess was partially c... |