#include <stdio.h> int Symmetry(long long n) { long long sym = n*n; int a[20],i = 0; while(sym) { a[i++] = sym%10; sym/=10; } int j = 0; i--; while(j < i) { if(a[i] != a[j]) return 0; i--; j++; } return 1; } int main() { long long i; ...

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