C++ program to reverse a number: Reverse or invert the input number. This can be useful to check if an integer is a palindrome or not.
C++ program to reverse a number
#include <iostream.h>
class Operations
{
long c;
public:
void inputNumber()
{
cout << "Input a number\n";
cin >> c;
}
long reverseNumber()
{
long invert = 0;
while (c != 0)
{
invert = invert * 10;
invert = invert + c%10;
c = c/10;
}
return invert;
}
};
int main()
{
long result;
Operations t;
t.inputNumber();
result = t.reverseNumber();
cout << "Number obtained on reversal = " << result;
return 0;
}