Sum of first and last digit of a number in C++
#include <iostream>
int main() {
int number, lastDigit, firstDigit, tempNumber;
std::cout << "Enter an integer: ";
std::cin >> number;
lastDigit = number % 10;
tempNumber = number;
while (tempNumber >= 10) {
tempNumber /= 10;
}
firstDigit = tempNumber;
int sum = firstDigit + lastDigit;
std::cout << "Sum of first and last digit of " << number << " is: " << sum;
return 0;
}