kusac

input/code.cpp: In function 'int main()':
input/code.cpp:14:9: warning: unused variable 'q' [-Wunused-variable]
     int q = n/gcd;
         ^

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n,m;
    cin>>n>>m;
    if(n % m == 0) {
	cout<<0<<'\n';
	return 0;
    }
    while(n > m) {
	n -= m;
    }
    int gcd = __gcd(n, m);
    int q = n/gcd;
    int w = m/gcd;
    cout<<(w-1)*gcd<<'\n';
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED