[프로그래머스]Lv.2 행렬의 곱셈 C#

https://school.programmers.co.kr/learn/courses/30/lessons/12949

프로그래머스

소스코드

using System;
public class Solution
{
    public int[,] solution(int[,] arr1, int[,] arr2)
    {
        int[,] answer = new int[arr1.GetLength(0), arr2.GetLength(1)];

        for (int i = 0; i < arr1.GetLength(0); i++)
        {
            for (int j = 0; j < arr1.GetLength(1); j++)
            {
                for (int y = 0; y < arr2.GetLength(1); y++)
                {
                    answer[i, y] += arr1[i, j] * arr2[j, y];
                }
            }
        }

        return answer;
    }
}