1,4,6,8四个点WA

#include <bits/stdc++.h>
using namespace std;
int main(int argc, char** argv){
    int a[12],i=0,k=0,h=0,e=0;
    while(i<12)
    {
        cin>>a[i];
        i++;
    }
    i=0;
    while(i<12)
    {
        if(h+300-a[i]<0)
        {
            e=1;
            cout<<"-"<<i;
            break;
        }
        h=h+(300-a[i]);
        k=h/100*100+k;
        h=h-h/100*100;
        i++;
    }
    if(e==0)
        cout<<k*1.2+h;
    return 0;
}