Answer 1

Khulyso Dev®
Please dont post raw code in the description.

Create a new C code in the playground, paste your code in there and then put the link to that code in the description instead. Then people can review the code much easier and help you faster.

Answer 2

Khulyso Dev®
exactly.
its more readable like that and there will also be syntax highlighting. It doesn't necessarily have to compile.

Answer 3

Khulyso Dev® I think that you will have to revise either your method or else the data types. The maximum long int is 2147483647.