BOJ 11815 - 짝수? 홀수? [C++]

문제

링크

풀이

#include <cmath>
#include <iostream>
using namespace std;
 
void solve(void) {
  long long x; cin >> x;
 
  long long root = sqrt(x);
  cout << (root * root == x) << " ";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int n; cin >> n;
  while (n--) solve();
  return 0;
}