编辑代码

#include <iostream>
using namespace std;
#include <string>

int main()
{
    //int arr[2][3]=
    //{
    //    {1,2,3},
    //    {4,5,6},    
    //};
    //cout << "二维数组占用内存空间为：" << sizeof (arr) << endl;
    //cout << "二维数组第一行占用内存空间为：" << sizeof (arr[0]) << endl;
    //cout << "二维数组第一个元素占用内存空间为：" << sizeof (arr[0][0]) << endl;

    //cout << "二维数组行数为：" << sizeof (arr) / sizeof (arr[0]) << endl;
    //cout << "二维数组列数为：" << sizeof (arr[0]) / sizeof (arr[0][0]) << endl;

    //cout << "二维数组的首地址为：" << arr << endl;
    //cout << "二维数组第一行的首地址为：" << arr[0] << endl;
    //cout << "二维数组第二行的首地址为：" << arr[1] << endl;
    //cout << "二维数组第一个元素的首地址为：" << &arr[0][0] << endl;


    int arr [3][3]=
    {
        {100,48,90},
        {80,74,90},
        {80,79,81}
    };

    string names[3] =  {"小明", "小王", "小红"};

    cout << "分数统计" << endl;

    for ( int i = 0; i < 3; i++)
    {
        int zhong = 0;

        for ( int j = 0; j < 3; j++)
        {
            zhong += arr [i][j];
        }
        cout << names[i] << "的总分为：" << zhong << endl;
    }


    system("pause");

    return 0;
}