python/TangDou/XiTi/1040.cpp

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    int count = 0;
    while (cin >> n)
    {
        if (n == 0)
            break;
        count++;
    }
    cout << count << endl;
    return 0;
}