Zenny and Simple Sum

Recently $Zenny$ read about $Array$ and now she is cracking Array's questions. She told about this to his friend $Zen$ .$ Zen$ wants to check how much $Zenny$ know about Array .So, he has given her an array of integers of size $N$ . $Zenny's$ task is to find out the sum of all distinct positive integer and distinct negative integers in the given array . As $Zenny$ is beginner in problem solvin