Inversions and Goodbye It's time to say goodbye to CSEmpur, at least for today. And so you wanted to give the citizens of C... |
Jontrona! Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa... |
Jontrona of Liakot Liakot, the king of Cox's Bazar, is currently in a dire situation. His own younger sister Ayesha is ... |
Keep It Cool As the workload of the semester is ramping up you get the task of refilling the fridge in the lab wi... |
Lexicographical Smallest String There is a string $s$ of length $n$ containing lowercase letters and an integer $k$. Among the lette... |
Make More Money You, the great businessman of TEUB, arrived at ESC land which consists of N cities numbered from 1 t... |
Misti Chor Bhootu likes to eat misti. As he is a mischievous kid, he has decided to steal misti from the nearby... |
Passwords Alice wants to extract some passwords from a random string. A password can have any number of charac... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Problem Setter Crisis Competitive Programming is very popular in Leading University. There are many great achievements of ... |
Quarantiko "If you feel unwell, stay home." Riaz has created a special encryption algorithm named Quarantiko to... |
Remember-Remainder Zarin is a sadist. She loves to give problems to her close people. Today she gives you an array cons... |
Road Minister Techboy Techboy is appointed as the minister of roads and highway in his country Better-Not-Name-It. Now he ... |
Subset AND You are given an array A of n integers and an integer k. You need to find if there is any non-empty ... |
The Hidden Island It is believed that the hidden island of TreasureLand has many unsolved mysteries and undiscovered t... |
Train Hijack You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a... |
Who Ate the Pizza Slices? Misty’s life is very dramatic. No matter how careful she is, some interesting and sometimes unfortun... |