adding digits of a number in c
//program to find the sum of digits:
#include<stdio.h>
int main()
{
int num,sum=0,r,temp;
printf("Enter the number:n "); //taking input from the user
scanf("%d",&num);
temp=num; //assigning num to temporary variable
while(temp!=0)
{
r=temp%10;
sum=sum+r;
temp=temp/10;
}
printf("nGiven number = %d",num);
printf("nSum of the digits = %d",sum);
}
//code By dungriyalsum of digits in a number python
digit_sum = lambda s: sum(int(digit) for digit in str(s)) #without recursion
#sum of digits using recursion
dsum = 0 # we define dsum outside of the function so its value isn't reset every time the function gets called recursivley
def rdigit_sum(s):
global dsum # making dsum 'global' allows us to use it a function
if s: # checks if s has digits to add to dsum
dsum += s%10 # adds the current units digit to dsum
s = s//10 # removes the current units digit
else: # if there are no digits left
s = dsum # this block reassigns s to dsum, then resets dsum to 0 so dsum doesn't already have a value if this function is called more than once in a program
dsum = 0
return s
return rdigit_sum(s) # this is the 'recursive' part of the program that calls the function againCopyright © 2021 Codeinu
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