Why this c prog. For Armstrong number check is behaving strangely?

Question

plz follow the below link and check my program
1. run as it is nd check the o/p for I/p number 1634
2. remove the forward slashes (//) on line 31 and line 46 nd run again
in the second case u get it correctly...
but why is it happening?
31&46 are just print statements they don't effect the program..
plz explain if u found the answer....
thank you....
http://ideone.com/KzIXgE

Answer 1

in digits function u forget to initializ c int c=0 then we will get no error at 31 and 46 lines http://ideone.com/lpMNpe

Answer 2

welcome dude 😊

Answer 3

thnx @rajyalakshmi.M for Ur effort