文件目录

#include <iostream>
using namespace std;
int main()
{
    int a, b, n, c;
    cin >> a >> b >> n;
    for (int i = 1; i <= n; i++)
    {
        a = a * 10;
        c = a / b;
        a %= b;
    }
    cout << c;
    return 0;
}