Can someone convert this code to c++

Question

The first line of input is a single number N, which specifies how many positive integers will be input to my program.N lines of input follow ,with a single positive integer on each line .You can assume each integer is greater than 2.
https://code.sololearn.com/cYn0886DOjQa/?ref=app

Answer 1

If you receive a number x, you will have to check first if x is prime, and then whether x−2 or x+2 is prime.

E.g. input : 2
4
9

output : false
false

Answer 2

https://code.sololearn.com/cpOp50G9A98c/?ref=app

Answer 3

Finally figured it out