[심심풀이 백준문제풀기] 2750번 수 정렬하기 (삽입정렬)

문제 : https://www.acmicpc.net/problem/2750

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner scan = new Scanner(System.in);
		int count = 0;
		int num = scan.nextInt();
		int[] arr = new int[num];
		for (int i = 0 ; i< num ; i++){
			arr[count] = scan.nextInt();
			// System.out.println(arr[count]);
			count++;
		}
		// int[] arr = {5,3,4,7,6,2,1};
		for (int i = 1; i < arr.length; i++) {
			int a = i - 1;
			int std = arr[i];
			while (a >= 0 && std < arr[a]) {
				arr[a + 1] = arr[a];
				a = a - 1;
 
			}
			arr[a + 1] = std;
		}
 
		for (int a : arr) {
			System.out.println(a);
		}
		scan.close();
	}
}