用C++打印乘法口诀表(VS2019)

#include <iostream>
#include <windows.h>
#include <string>
#include <iomanip>
using namespace std;
int main() {
    int width;
    for (int i = 1; i < 10; i++) {
        for (int j = 1; j <= i; j++) {
            width = (j == 1) ? 1 : 2;
            cout << j << "*" << i << "=" << setw(width) << left <<  i* j << " ";
        }
        cout << endl;
    }
    system("pause");
    return 0;
}