Code challenge question

Question

here is a code challenge question for all coders in Sololearn.

write a function that takes integer input and return the sum of all digits of the number.

public int digit_sum(int num)
{
//this is for you to fill
}

digit_sum(1042) must return 7.

Answer 1

Python:
https://code.sololearn.com/c3d3B27s4g0F/?ref=app

Answer 2

https://code.sololearn.com/WvjnyPF3L8iY/?ref=app

As basic as I could make it.

Answer 3

simple js approach
https://code.sololearn.com/Wxsc5VbO2zOA/?ref=app

Answer 4

In C#: https://code.sololearn.com/cy39BnXrA34Y/?ref=app

Answer 5

Made one in PHP too:
https://code.sololearn.com/wAi62g12SQ11/?ref=app

Answer 6

The best I could come up with: https://code.sololearn.com/cuDPXza20h71/?ref=app

Answer 7

Here's my answer

https://code.sololearn.com/cTgjPovJzU8P/?ref=app

Answer 8

Oh, I just saw this was a general question, not C++ specific, anyway at least I got a bit more familiar with C++ type conversion, brb with a C# version.

Answer 9

yes it is open for any language

Answer 10

all are awesome!