C++輸出九九乘法表

#include "pch.h"
#include <iostream>
#include <iomanip>

using namespace std;
int main()
{
    std::cout << "Hello World!\n"; 

    for (int i = 1; i < 9; i++)
    {
        for (int j = 1; j <=i ; j++)
        {
            cout << j << 'X' << i << '=';
            cout << setfill('0') << setw(2) << i * j;
            if (j < i)
                cout << "\t";
        }
        cout << endl;
    }
    system("pause");
    return 1;
}