1108：向量点积计算

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
int a[1100],b[1100],n,i,sum=0;
scanf("%d",&n);
for (i=1;i<=n;i++)
scanf("%d",&a[i]);
for (i=1;i<=n;i++)
{
scanf("%d",&b[i]);
sum+=a[i]*b[i];
}
printf("%d",sum);


}