简单明了，两个数组，C语言

参考代码:

#include<stdio.h>

int main()

{

float sum=0.0,num[10],m[]={28.9,32.7,45.6,78.0,35.0,86.2,27.8,43.0,56.0,65.0};

for(int i=0;i<10;i++)

{

scanf("%f",&num[i]);

sum+=num[i]*m[i];

}

printf("%.1f",sum);

return 0;

}