#include<iostream> using namespace std; int main() { for(unsigned short i=1;i*i<=256;i++) { unsigned short m=i*i; if(m/100>=1) { if(m%10==m/100) { cout<<i<<endl; } } else if(m/10>=1) { if(m%11==0) { cout<<i<<endl; } } else { cout<<i<<endl; } } return 0; }