//打印所有不超过256,其平方具有对称性质的数。如2,11就是这样的数,因为2*2=4,11*11=121。
#include<stdio.h>
#define maxsize 1000
int main() {
    int n;
    for (n = 0; n <= 256; n++) { //11*11=121    1 2 1
        int i = 0, number = 0, r;
        int m = n * n;
        while (m != 0) { //不知道m是几位数 121
            r = m % 10;
            number = number * 10 + r;
            m = m / 10;
        }
        if (number == n * n)
            printf("%d\n", n);

    }


    return 0;
}