题解

#include<bits/stdc++.h>
using namespace std;
int main()
{
int Budget,money=0,m=0;
for(int i=1;i<=12;i++)
{
money+=300;
cin>>Budget;
if(money-Budget<0)
{
cout<<"-"<<i;
return 0;
}
money-=Budget;
m+=money/100100;
money%=100;
}
cout<<money+(m+m0.2);
return 0;
}