//书本的价格打错了一个字,找了半天才找出来
#include <stdio.h>
using namespace std;
int main()
{
double a[]={0,28.9,32.7,45.6,78,35,86.2,27.8,43,56,65},sum=0;
int num,i;
for(i=1; i<=10;i++)
{
scanf("%d",&num);
sum=sum+num*a[i];
}
printf("%.1lf",sum);
return 0;
}
//书本的价格打错了一个字,找了半天才找出来
#include <stdio.h>