#include <stdio.h> int reverse(int k){ int now=k; int rev=0; int s=0; while(now !=0){ s=now %10; rev=rev*10+s; now=now/10; } return rev; } int main(){ int n; int m; for (n=0;n<=256;n++){ m=n*n; if(n*n==reverse(n*n...