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Add iterative binary search implementation #14090
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| """ | ||
| Binary Search (Iterative) | ||
| Time Complexity: O(log n) | ||
| Space Complexity: O(1) | ||
| """ | ||
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| def binary_search(arr, target): | ||
| left, right = 0, len(arr) - 1 | ||
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| while left <= right: | ||
| mid = (left + right) // 2 | ||
| if arr[mid] == target: | ||
| return mid | ||
| elif arr[mid] < target: | ||
| left = mid + 1 | ||
| else: | ||
| right = mid - 1 | ||
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| return -1 | ||
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| if __name__ == "__main__": | ||
| arr = [1, 3, 5, 7, 9, 11] | ||
| target = 7 | ||
| print(binary_search(arr, target)) | ||
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As there is no test file in this pull request nor any test function or class in the file
maths/binary_search_iterative.py, please provide doctest for the functionbinary_searchPlease provide return type hint for the function:
binary_search. If the function does not return a value, please provide the type hint as:def function() -> None:Please provide type hint for the parameter:
arrPlease provide type hint for the parameter:
target