문제 출처: https://www.acmicpc.net/problem/2635
import java.util.ArrayList;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
StringBuilder sb = new StringBuilder();
Scanner scanner = new Scanner(System.in);
ArrayList<Integer> list = new ArrayList<>();
ArrayList<Integer> result = new ArrayList<>();
int N = scanner.nextInt();
list.add(N);
int max = 0;
for (int i = N; i > 0; i--) {
list.add(i);
int index = 2;
while (true) {
int temp = list.get(index - 2) - list.get(index++ - 1);
if (temp < 0) break;
list.add(temp);
}
if (list.size() > max) {
max = list.size();
result = new ArrayList<>(list);
}
list.clear();
list.add(N);
}
sb.append(max).append("\n");
for (int n : result) {
sb.append(n + " ");
}
System.out.println(sb);
}
}