Question -> https://codeforces.net/problemset/problem/264/A

My Code -> https://pastebin.com/DpxZ8wEp

Getting Wrong Answer!! Question — https://cses.fi/problemset/task/1093/ My Solution — https://ideone.com/uwVSBp

Here is my solution it is giving wrong and can anybody tell me what i am doing wrong???

Question — https://cses.fi/problemset/task/1096 My Solution — https://ideone.com/sE6Pgm

https://www.hackerearth.com/practice/math/number-theory/basic-number-theory-1/practice-problems/algorithm/the-easy-one-0de35805/description/

unable to understand how to implement it , i know the logic

https://www.spoj.com/problems/MMMGAME/ My solution --

https://www.spoj.com/problems/EASYMATH/ My Solution !! Getting Wrong Answer !!