How to sum the digits in integer

Question

How to sum different digits in one integer? For example: int = and 411; I want to pull out the numbers and sum them: 4 + 1 + 1 = 6, tried in various ways, but I gather ASCII value in the table, and I do not want it?

Dont be worry to show your failed attempts, nobody will make fun of you for your code. Instead just asking someone to solve your problem is not well accepted here. Read the [help] — Steve, Aug 15 '15 at 16:51

score 1 · Answer 1 · edited Aug 15 '15 at 17:52

1

How about using a LINQ expression?

var sum = 411.ToString().Sum(x => x - '0');

By turning the int value into a string (which implements IEnumerable<char>), we're able to iterate over each digit and sum them.

edited Aug 15 '15 at 17:52

rsenna

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answered Aug 15 '15 at 16:57

Eser

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score 0 · Answer 2 · answered Aug 15 '15 at 16:51

0

int i = 441;
int sum = 0;
while (i > 0)
{
    sum += i%10;
    i /= 10;
}

answered Aug 15 '15 at 16:51

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How to sum the digits in integer

2 Answers2