Video Game Shefin is playing a game. In this game there are N buildings numbered from 1 to N. Each building has... |
Problem Setter Crisis Competitive Programming is very popular in Leading University. There are many great achievements of ... |
Harry Potter and the Vault of Gringotts "There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Second Wi... |
Hardest Problem Ever Prof.Dr.DP is very famous professor. He is expert (actually legendary grandmaster) in Dynamic Progra... |
A Journey Towards One Given N. You can perform 3 types of operations: Increase N by 1. Decrease N by 1. Divide N by 2, av... |
Assigning Workstations Penelope is part of the admin team of the newly built supercomputer. Her job is to assign work-stati... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
Fantastic Food As we all know that Alice and Bob just landed in Fantastic World and are going to stay for the next ... |
Shrink the Array You have an array of size N which contains positive integers. You can apply the following operation ... |
Make Strings Great Again! Do you know what is a sub-sequence? A sub-sequence is a sequence that can be derived from another se... |
Anina's Christmas Tree This Christmas Anina and her friends have decided to make some Christmas trees to decorate her town.... |
Remember-Remainder Zarin is a sadist. She loves to give problems to her close people. Today she gives you an array cons... |
Police Stations Recently the government of country S is going to construct some police stations(possibly zero) in so... |
Find the Good Sequence Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ... |
Rainy Day You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task... |
Disturbing Students N students were gathered in front of CSEmpur gate. They wanted to take a tour of the famous CSEmpur ... |
Find NSUPS Given a string s, find the number of subsequence in s which forms the word "NSUPS". A subsequence is... |
Another Update-Query Problem You will be given an array A of length N and you will have to perform Q operations on that array. Th... |
I Am Good 2.0 I am trying to become a good guy, giving contestants as little pain as possible. So, this problem is... |
Chocolate There is a shop named Chocolove in the Codeland. There are many chocolates in the shop. Each chocola... |
Complex Tashreef Tashreef finally received the Zuinness Journal of Galactic records recognition for being the most co... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Polygon Construction (Hard) Meera in going to picnic with her friends. They are going to have lots of fun. They will be doing va... |
XOR Is Fun Efa hates numbers. But she loves the XOR operation. This time, you have to solve another problem for... |
The Game of Rocks Alice and Bob have come up with a new game. Bob gives Alice a NxM grid that contains N rows and M co... |