How to insert code?

Question

Hello everyone I'm a beginner in C programming. I would like to know how do I take up a challenge in this language and how to insert my code. Dears please help me

Answer 1

tap on text field, keyboard will show automatically. do you mean battle challenge.

Answer 2

there are two questions.

first is how to challenge in C language. This question concerns battle challenge.

second is how to insert code. For example I taked up this challage : https://www.sololearn.com/learn/6639/?ref=app