🐣 문제

링크 : https://www.acmicpc.net/problem/17210

🐥 코드

#include <iostream>
using namespace std;

int main() {
  int num = 0; 
  cin >> num; 

  int first = 0; 
  cin >> first; 

  if(num > 5) cout << "Love is open door";
  else{
    for(int i = 0; i < num-1; i++){
      first ^= 1;
      cout << first << endl;
    }
  }
  return 0;
}