CF大神的模板

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <complex>
#include <cstring>
#include <cstdlib>
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <map>
#include <set>
using namespace std;
//#pragma comment(linker,"/STACK:102400000,102400000")

int MAIN()
{
    int n, now = 0, ans = 0;
    cin >> n;
    for(int i = 1; i <= n; i++)
    {
        int v;
        cin >> v;
        if(now + v < 0)
            ans ++;
        else
            now += v;
    }
    cout << ans << endl;
    return 0;
}

int main()
{
    #ifdef LOCAL_TEST
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    #endif
    ios :: sync_with_stdio(false);
    cout << fixed << setprecision(16);
    return MAIN();
}