Binary Search

Minimize k , s.t. condition(k) is True

  [ f ][ f ][ f ][ t ][ t ][ t ][ t ][ t ]     
                   └── ans

Set up the boundary to include all possible elements

def binary_search(search_space) -> int:
    left, right = min(search_space), max(search_space)
    while left < right:
        mid = left + (right - left) // 2
        if condition(mid):
            right = mid
        else:
            left = mid + 1
    return left