如何知道tableview行是奇数还是甚至不知道它所在的部分

I am making an application where I am getting a user's phone book and displaying it in a list view. I am breaking the phone book into sections sorted by their name. I want to alternate rows by even and odds HOWEVER the problem is the indexPath.row resets back to zero if a new section starts. I am trying to get whetehr it is an odd or even row AGNOSTIC of the section it is in i tried I am making an application where I am getting a