I want to hide search result page ads in only main category &  category nav list in sub-category   .... HOW ?

 xyz.com/pune        - main category -    here don't want to show all sub cat mix random ads search result

 but want

 xyz.com/pune/abc   -  sub category - here normal ads show reguler method.


&  I am showing all sub-category list with total ads count box -  now this box hide in only sub-category search result page like -  xyz.com/pune/abc


but want regular show in main category search result page -  xyz.com/pune    here


live testing can check here - https://in.nearmeads.com/pune
 
pls how to achieve this ..?
 

@Ajit
You can check if category is parent by simply checking if it has parent category or it's null.