#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    int arr[3][5] = {
        {1, 2, 3, 4, 5},
        {10, 20, 30, 40, 50},
        {100, 200, 300, 400, 500}};

    cout << "第一行数据: ";
    for (int i = 0; i < 5; i++)
    {
        cout << arr[0][i] << "\t";
    }
    cout << endl;

    // 读取所有行的数据
    for (int i = 0; i < 3; i++)
    {
        for (int j = 0; j < 5; j++)
            cout << arr[i][j] << "\t";
        cout << endl;
    }

    return 0;
}