Why I'm getting different output in different compilers?

Question

See c style strings comparison...
Input *Saurabh Kumar*
In a compiler i got -1, 83
In another i got -115, 115
Why and how???
See and please tell me...
https://code.sololearn.com/cMuAdE5Kr2a7/?ref=app

Answer 1

This is because of how strcmp() is implemented by your compiler implementation.

Standards only specify that this function should either return a 0 ( for equality ), negative number (when the first character that does not match has a lower value in ptr1 than ptr2) or a positive number otherwise.

Answer 2

This way I constantly get (-32) and (32) from `strcmp`.

`strcmp` returns non zero here because <temp> contains the same letters to those in <full_name>, but in different case (<temp> has uppercase version).

The result (32) and (-32) resulted from the distance between the first `char` found to be different (at same index) in both C-string.
(Edited)

Answer 3

$|<|>_α&
You haven't stored anything into <temp> and yet you are comparing <temp> and <full_name>.

Check what you got in <temp> and ask yourself whether that comparison was in order.

Answer 4

Ipang ohh sorry!!!
ok ,,, Modified now......
Now look in to that and consider my problem