[백준] #2739 구구단

문제링크

#include <iostream>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    int a;
    cin >> a;
    for (int i = 1; i < 10; i++)
    {
        cout << a << " * " << i << " = " << a * i << endl;
    }
}