백준2738: 행렬 덧셈

문제

https://www.acmicpc.net/problem/2738

문제 풀이

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();

        int[][] arr1 = new int[n][m];
        int[][] arr2 = new int[n][m];

        for (int i = 0; i < arr1.length; i++) {
            for (int j = 0; j < arr1[0].length; j++) {
                arr1[i][j] = sc.nextInt();
            }
        }

        for (int i = 0; i < arr2.length; i++) {
            for (int j = 0; j < arr2[0].length; j++) {
                arr2[i][j] = sc.nextInt();
            }
        }
        int[][] arr3 = new int[n][m];

        for (int i = 0; i < arr1.length; i++) {
            for (int j = 0; j < arr1[0].length; j++) {
                arr3[i][j] = arr1[i][j] + arr2[i][j];
            }
        }


        for(int[] n1 : arr3){
            for(int n2 : n1){
                System.out.print(n2+" ");
            }
            System.out.println();
        }
    }
}