(1) why it is not working ?

Question

(2) what if i will get 3 or more input from user then combine it with strcat function , then how may i get space between them ?
https://code.sololearn.com/cF09El71vD0D/?ref=app

Answer 1

Syntax error at Line 18. Here's a correction:

https://code.sololearn.com/cO56xl6sCDrh/?ref=app

Answer 2

strcat with space first "space-here"

then strcat the strings