What is the difference?

Question

There are 2 similar codes but just one of them works properly... why?

https://code.sololearn.com/cg8ouHd1Uvuf/?ref=app
https://code.sololearn.com/cE1GNBR2rHH8/?ref=app

Answer 1

Change the print statement (n-1) to (n-i)

Answer 2

Change it to if(prime(i) && prime(n - i))

Answer 3

VRVivek i finally got it, Thanks

Answer 4

In code 2 the if condition is wrong. that's why it's not working.

Answer 5

VRVivek which if condition?

Answer 6

if(prime(i) && prime(n - 1))

Answer 7

VRVivek oh..ok... but still the results are not the same!!!