백준 JAVA 11728 배열 합치기

https://www.acmicpc.net/problem/11728

11728번: 배열 합치기

 

package BAEKJOON.Silver.Ⅴ;

import java.util.Arrays;
import java.util.Scanner;

public class NO11728 {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();

        int[] a = new int[n];
        int[] b = new int[m];

        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
        }

        for (int i = 0; i < m; i++) {
            b[i] = sc.nextInt();
        }

        Arrays.sort(a);
        Arrays.sort(b);
        StringBuilder sb = new StringBuilder();

        int i = 0;
        int j = 0;
        while(i < n && j < m) {
            if(a[i] < b[j]) {
                sb.append(a[i] + " ");
                i++;
            } else {
                sb.append(b[j] + " ");
                j++;
            }
        }

        while(i < n) {
            sb.append(a[i] + " ");
            i++;
        }
        while(j < m) {
            sb.append(b[j] + " ");
            j++;
        }

        System.out.println(sb);

    }
}