Binary Search - which camp are you in?

Which camp are you in?
What is your go-to starting values for a binary search range

n=maximum elements to search

Camp A -------> low = 1, high = n, mid= floor(low+high/2)

Camp B -------> low = 0, high = n-1, mid= floor(low+high/2)

Camp C -------> low = 0, high = n-1 , mid= floor(low+(high - low)/2)

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