I need a help please

Question

When I write my program with scanf it has this weaving that often comes when I want to compile my program that says " It seems that your program requires an entry
Divide many inputs"

Answer 1

Thanks so much i understand now

Answer 2

There you go
https://code.sololearn.com/WhiNb9BkJUVC

Answer 3

This look like in your code you ask for user input?
If so in sololearn you need to add every input, if you have more than one you need to do like this:
Hello
World
So first input is "Hello" and seccond "World"

If this is what you ask for?

Answer 4

Example plz