真答案

# include<stdio.h>  
# include<iostream>  
using namespace std;  
int main(){ 
int a[100] = {0} , b[100] = {0}; 
int n; 
cin >>n; 
for(int i=1;i<=n;i++){ 
 cin>>a[i]; 
} 
 for(int i=1;i<=n;i++){ 
  cin>>b[i]; 
 } 
int s = 0; 
for(int i=1;i<=n;i++){ 
 s += a[i] * b[i]; 
} 
cout<<s; 
}