YouKnowWho

YouKn0wWho has an integer n. He wants to find an integer sequence a of size exactly 2n such that 0≤a...

Ant-Man before escaping from the quantum realm thought about roaming around the realm. And much to h...

You are given two integers l and r. You need to find the value of x=l∏r​x(x+1) As the value of this ...

You are given an integer sequence a1​,a2​,…,an​. For any non-negative integer k, let P(k)=l=1∏n​r=l,...

Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...

Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...

Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...

Perfect lines are the lines y=mx+c such that m and c are positive integers. Perfect points are the p...

Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o...

You are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca...

Let's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102...

You are given an array A of n integers and an integer k. You need to find if there is any non-empty ...

SUST has n departments numbered from 1 to n where every pair of distinct departments is connected by...

Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...

YouKn0wWho has an integer sequence a1​,a2​,…,an​. He will perform the following operation until the ...

Neo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ...

Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...