[Algorithm] 백준/2750 :: 수 정렬하기

*핵심

Arrays.sort 사용

* 문제

 

* 소스코드

import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer stk = new StringTokenizer(br.readLine());
        StringBuilder sb = new StringBuilder();
        int n = Integer.parseInt(stk.nextToken());
        int[] arr = new int[n];
        for (int i = 0; i < n; i++) {
            stk = new StringTokenizer(br.readLine());
            arr[i] = Integer.parseInt(stk.nextToken());
        }
        Arrays.sort(arr);    // O(n*logN)
        for (int i = 0; i < n; i++) {
            sb.append(arr[i]).append("\n");
        }
        System.out.println(sb);
    }
}