백준10989: 수 정렬하기 3

문제

https://www.acmicpc.net/problem/10989

문제 풀이

import java.io.*;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        //계수 정렬(Counting Sort)
        int[] cnt = new int[10001];

        int n = Integer.parseInt(br.readLine());

        for (int i = 0; i < n; i++) {
            cnt[Integer.parseInt(br.readLine())]++;
        }

        StringBuilder sb = new StringBuilder();

        for (int i = 1; i < cnt.length; i++) {
            while (cnt[i] > 0) {
                sb.append(i).append("\n");
                cnt[i]--;
            }
        }
        System.out.println(sb);
    }
}