編程 輸入壹個3位數，將它反向輸出。用C++語言

using namespace std;

int main()

{

cout << "Input a number (100<x<999)" << endl;

int x;

cin >> x;

if(x<100 || x>999){

cout << "Input wrong!\n";

return 0;

}

cout << x%10 << (x/100)%10 << x/100 << endl;

return 0;

}

給分~~~