BEAKJOON JAVA ALGORITHM #2579(계단 오르기)
https://www.acmicpc.net/problem/2579 import java.util.Scanner; public class a2579 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int num = sc.nextInt(); int[] arr = new int[num+1]; for(int i=1; i
