toj_2994.cpp

来自「Tianjin University Online Judge 的80多道题目 」· C++ 代码 · 共 18 行

#include<cstdio>
int main()
{
    int i , j , t , n , a[ 20 ] , b[ 20 ] , result;
    scanf( "%d"  ,&n );
    for( i = 0; i < t; i++ ){
        scanf( "%d" , &n );
        for( j = 0; j < n; j++ )
            scanf( "%d" , &a[ j ] );
        for( j = 0; j < n;j ++ )
            scanf( "%d" , &b[ j ] );
        for( result = 0  , j = 0; j < n; j++ )
            result += a[ j ] * b[ j ];
        printf( "%d\n" , result );
    }
    return 0;
}