It shows error in all the otherwise I try

Uppercase-U
Lowecase-L
otherwise-?

when i try to write small L in otherwise then the ide shows
different tye of l .
please tell me what is used for otherwise.

Please provide me the Code in Coding Blocks IDE.

https://codeshare.io/5eRow7

Code is working fine in my IDE.
Also you need to worry about character design, if it is working fine on your local compiler.