给个样例
```cpp
#include <stdio.h>
int main(void)
{
int b[12],i=0,c=0,s=0;
while (i<12)
{
i++;
scanf("%d",b+i-1);
c+=300-b[i-1];
if (c<0) goto Error ;
s+=c/100*100;
c-=c/100*100;
}
printf("%d\n",s/10*12+c);
return 0;
```
Error :
printf("%d\n",-i);
return 0;
}
by pomoke @ 2017-08-03 16:46:29