```
#include <bits/stdc++.h>
using namespace std;
int main()
{
int a[13];
int ans=0,last=0;
for(int i=0;i<12;i++)
{
cin>>a[i];
last+=300;
last-=a[i];
if(last<0)
{
cout<<"-"<<i+1;
return 0;
}
ans+=last/100;
last%=100;
}
cout<<last+ans*120;
return 0;
}
by sunruishe @ 2022-10-28 22:39:35
用模运算会更好一点
by sunruishe @ 2022-10-28 22:40:54