2839번1 [Java] 백준 2839번:설탕배달 import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int answer = 0; int div5 = n/5; n = n%5; int div3 = n/3; n = n%3; while(true) { if(div5 < 0) { System.out.println(-1); break; }else if(n == 0){ answer = div5 + div3; System.out.println(answer); break; }else { n += 5; n += div3*3; div3 = 0; div5--; div3.. 2019. 8. 21. 이전 1 다음