I'm newbie in C++ I'm reach at transportation so help me to code

Answer 1

Yes, I will help you to understand. so let me, know How can I help you??

Answer 2

Hello, I got an answer for you.
#include <iostream>
using namespace std;
int main() {
//your code goes here
int input;
cin >> input;
cout << 50 - input % 50;
return 0;
}