Another birthday present

1

i am having a doubt in a solution of this question
though the solution is correct but how anyone can think about that

link to the question is

link to the solution is

@sahil_bhutada @tmwilliamlin @akshitm16 help
@avinash_akhil @everule1 @cubefreak777 @s_h_shahin
plz help

2

Post link to the Q and your submission to get help from community!

3

And remove the unformatted code from your post.

4

The send link you provided is not your submission. It is someone’s else codechef account.

5

i have a doubt in his solution only