R Program to find the sum of first and last digit of a number


In this program, You will learn how to find the sum of first and last digit of a number in R.


1234 = 1 + 4 = 5

Example: How to find the sum of first and last digit of a number in R

{
    rev = 0
    n = as.integer(readline(prompt = "Enter a number :"))

    last = n %% 10

    while (n > 0) {
      r = n %% 10
      rev = rev * 10 + r
      n = n %/% 10
    }

    fd = rev %% 10
    sum = last + fd
    print(paste("The sum of first and last digit is :", sum))
}

Output:

Enter a number :234
[1] "The sum of first and last digit is : 6"