[프로그래머스/Java] Lv.1 행렬의 덧셈

문제

 

 

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풀이

 

 

 

class Solution {
    public int[][] solution(int[][] arr1, int[][] arr2) {
        int[][] answer = new int[arr1.length][arr1[0].length];
        
        for (int i = 0; i < arr1.length; i++) {
            for (int j = 0; j < arr1[i].length; j++) {
                answer[i][j] = arr1[i][j] + arr2[i][j];
            }
        }
        
        return answer;
    }
}