解题思路:
注意事项:
参考代码:
#include<stdio.h>
int main()
{
float consume=0.0,a[11] = {28.9,32.7,45.6,78.0,35.0,86.2,27.8,43.0,56.0,65.0}, b[11];
int i;
for (i = 0; i < 10; i++)
scanf("%f", &b[i]);
for (i = 0; i < 10; i++)
{
consume += a[i] * b[i];
}
printf("%.1f", consume);
return 0;
}
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