题解 | #打印乘法表#

#include <iostream>
using namespace std;

int main() {
    
    int n;
    cin >> n;
    int p, p_1;
    int sum;
    for(p = 1 ; p <= n; )
    {
        for (p_1 = 1; p_1 <= p; )
        {
            sum = p_1 * p;
            if (p != p_1)
            {
                cout << p_1 << " " << "*" << " " << p << " " << "=" << " "  << sum << "    " ;
            }
            else {
                cout << p_1 << " " << "*" << " " << p << " " << "=" << " " << sum << endl; 
            }
            sum = 0;
            p_1 += 1;
        }
        p += 1;
    }
    
    return 0;
}