..
by 飞翔的钰米 @ 2017-06-26 13:45:45
```cpp
#include<iostream>
using namespace std;
int a[13],m,n,mj,q;
int main()
{for(int i=1;i<=12;i++)
{cin>>a[i];
n=n+300-a[i];
if(n<0)
{cout<<"-"<<i;
q=1;
break;
}
mj=n/100*100;
m=m+n/100*100;
n=n-mj;
}
if(q==0) cout<<m*1.2+n;
}
```
by 秘晨阳 @ 2017-07-09 15:11:51