Can you explain, where is the problem of this code?

Question

Code link:
https://code.sololearn.com/c16eWwX4P084/?ref=app

Answer 1

line no 39
it should be
i = i - 1
not i = i + 1
this was creating infinite loop

Answer 2

Still consol warning like that,

warning: incompatible implicit declaration of built in function 'strlen' [ enabled by default ]

Answer 3

you need to add

#include<string.h>

in the beginning for using strlen() function

Answer 4

you are absolutely [e-mail]...

Answer 5

thanks
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