题解 | #对称平方数1#

#include <iostream>
using namespace std;

bool reverse(int num) {
    int begin = num;
    int rev = 0;
    int res = 0;
    while (num != 0) {
        rev = num % 10;
        res = res * 10 + rev;
        num = num / 10;
    }
    if (begin == res) {
        return true;
    } else {
        return false;
    }
}
int main() {
    for (int i = 0; i <= 256; i++) {
        if (reverse(i * i)) {
            printf("%d\n", i);
        }
    }
    return 0;
}