ONE test is not passed why

#1

testcase-0 is getting failed

#2

@navin
Failed test case
Q : 31
A : 14544636039226909

#3

https://ide.codingblocks.com/s/229735 why my code doesnt pass all TC’s

#4

@navin
I got your code
I just sent the test case your code failed
I want you to try to solve the issue once yourself
If you still can’t then I’ll help you solve it