Output not working for the input of 12 digits number or more

#1

output not working for the input of 12 digits number or more than 12 digits PLEASE CORRECT THE DATA TYPE OF n

#2
#3

https://ide.codingblocks.com/ THIS IS THE CODE

#4

THIS IS FINAL CODE https://ide.codingblocks.com/s/178131

#5

you have modified your code
pls save the code or don’t modify the link after sending it
pls send the code

#6

there is nothing in the link