
Arrays.sort로 오름차순 정렬하면 된다.
시간복잡도: O(NLogN), 공간복잡도: O(N)
import java.util.*;
import java.io.*;
class Main {
public static void main (String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringBuilder sb = new StringBuilder();
int n = Integer.parseInt(br.readLine());
int [] arr = new int[n];
StringTokenizer st = new StringTokenizer(br.readLine());
for(int i=0;i<n;i++){
arr[i] = Integer.parseInt(st.nextToken());
}
Arrays.sort(arr);
for(int num:arr){
sb.append(num).append(" ");
}
System.out.print(sb);
}
}
