一个给别人看的模板@字幕君

#include <bits/stdc++.h>
using namespace std;
int main(){
    int m,n,sum,i;
    cin >> m >> n;
    for(i=1;i<=n;i++){
        cin >> sum;
        if(sum>m){
            break;
        }else{
            m-=sum;
        }
    }
    cout << n-i;
    return 0;
}

#1/#2/#3/#4/#6/#7/#8/#9/#10 WA
#5 AC