题解 | #对称平方数#

#include <iostream>

using namespace std;

bool isSymmetry (int n){
	int a = 0, b = 0, x = n;
	while (n != 0){
		a = n % 10;
		b = b * 10 + a;
		n /= 10;
	}
	return x == b;
}

int main () {
	for (int i = 1; i <= 256; i++){
		if (isSymmetry(i * i)){
			cout << i << endl;
		}
	}
	return 0;
}