what purpuse this logic is used

[SrikanthBichala]

1) int foo(int x)
{
if(x<=0)
return 0;
else
return 1+foo(x/10);
}

a) What is the output of this logic for foo(12345)
b) What purpose this logic is used
c) If we give negative number what output will get. If u future enhance n find a bug, how u change the code to fix the bug n the remain work for negative n positive numbers.

[Meetee]

The purpose of this snippet is to show an example - recursion. Rest you can run the code and get the answers!

[donbock]

Walk through the logic with pencil and paper. What do you get for foo(12345)? What do you get for foo(123)?