Not able to find run time error in code

this code works fine when i run it but when i submit the code, it shows ‘run time error’.

https://ide.codingblocks.com/s/65200

it is the code for challenge "PRATEEK LOVES CANDY ", not temperature conversion!

i have suggest a change u r making it specific for a rangr
see this https://ide.codingblocks.com/s/68194

Hey Shantanu,
As you are not responding to this thread, I am marking your doubt as Resolved for now. Re-open it if required.

Please mark your doubts as resolved in your course’s “ Ask Doubt ” section, when your doubt is resolved.