#include <stdio.h> int Square_Symmetry(int n) { int m = n*n,a[6],k = 0; while(m) { a[k++] = m%10; m/=10; } m = 0; k--; while(m < k) { if(a[m] != a[k]) return 0; m++; k--; } return 1; } int main() { int i; for(i = 1; i < 256; i++) i...

#include <iostream> using namespace std; bool check(int x) { string s; for (; x; x /= 10) s += (x % 10 + '0'); for (int i = 0, j = s.size() - 1; i < j; i ++, j -- ) if (s[i] != s[j]) return false; return true; } int main() { for (int i = 1; i < 256; i ++ ) ...