040. 반복문을 이용하여 구구단(15단) 출력하기

 #include <iostream>

using namespace std;



int main()

{

	int offset = 0;



	for (int i = 1; i <= 15; i += offset)

	{

		for (int j = 1; j <= 9; j++)

		{

			cout << i << " * " << j << " = " << i * j;



			for (int k = 0; k < offset; k++)

			{

				cout << "\t";

				cout << (i + k + 1) << " * " << j << " = " << (i + k + 1) * j;

			}

			cout << endl;

		}

		cout << endl;



		offset++;

	}



	return 0;

}