ashikurrahman

Dipu Bhai lives in a country called Chocoland. There are n cities in Chocoland. The cities are numbe...

Alam has an array a with n elements a1​,a2​,…,an​ and an integer x. For each i (1≤i≤n−1) index i and...

You are given an integer N and a digit D. You have to count the number of pairs A and B (1≤A,B≤N) su...

Babu Bhai is a student of AUST. He has some favorite numbers. His favorite numbers are those number ...