HDU 4993 Revenge of ex-Euclid

#include<cstdio>
#include<cstring>
#include<string>
#include<queue>
#include<algorithm>
#include<map>
#include<stack>
#include<iostream>
#include<list>
#include<set>
#include<cmath>

#define INF 0x7fffffff
#define eps 1e-8
#define LL long long
#define PI 3.141592654
#define CLR(a,b) memset(a,b,sizeof(a))
#define FOR(n) for(int i=0;i<n;i++)
#define debug puts("==fuck==")
#define acfun std::ios::sync_with_stdio(false)

using namespace std;

int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        int a,b,c;
        scanf("%d%d%d",&a,&b,&c);
        int ans=0;
        for(int i=1;i*a<c;i++)
        {
            if((c-a*i)%b==0)
                ans++;
        }
        printf("%d\n",ans);
    }
}