Write a C program to find sum of first and last digit of a number

Find sum of first and last digit of a number

Sample Output

Find sum of first and last digit of a number

Number: 12349

First Digit: 1, Last Digit: 9
Sum = 10

Source Code

#include<stdio.h>
 
int main()
{
    int i, number, firstDigit, lastDigit, sum;
 
    printf("Find sum of first and last digit of a number\n\nNumber: ");
    scanf("%d", &number);
 
    lastDigit = number % 10;
 
    while(number >= 10)
    {
        number = number / 10;
    }
    firstDigit = number;
    sum = firstDigit + lastDigit;
 
    printf("\nFirst Digit: %d, Last Digit: %d\nSum = %d\n\n", firstDigit, lastDigit, sum);
 
    return 0;
}

Sample Output

Find sum of first and last digit of a number

Number: 7654

First Digit: 7, Last Digit: 4
Sum = 11