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Playground
A keyboard-driven Neovim simulator with no goal. Try motions and edits freely; nothing is graded.
Binary search.py
1def binary_search(arr, target):
2 """Return the index of target in sorted arr, or -1."""
3 low, high = 0, len(arr) - 1
4 while low <= high:
5 mid = (low + high) // 2
6 if arr[mid] == target:
7 return mid
8 if arr[mid] < target:
9 low = mid + 1
10 else:
11 high = mid - 1
12 return -1
13
14
15numbers = [1, 3, 5, 7, 9, 11]
16print(binary_search(numbers, 7))
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