From 64be7f6df5e20a53d34decb0c56fa2db8263174d Mon Sep 17 00:00:00 2001 From: ivan Date: Sun, 12 Jan 2025 04:34:54 -0600 Subject: [PATCH] adding sqrtx algorithm --- .../top_150_questions_round_12/sqrtx.py | 20 +++++++++++++++++++ .../test_sqrtx_round_12.py | 17 ++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 src/my_project/interviews/top_150_questions_round_12/sqrtx.py create mode 100644 tests/test_150_questions_round_12/test_sqrtx_round_12.py diff --git a/src/my_project/interviews/top_150_questions_round_12/sqrtx.py b/src/my_project/interviews/top_150_questions_round_12/sqrtx.py new file mode 100644 index 00000000..9b3a3800 --- /dev/null +++ b/src/my_project/interviews/top_150_questions_round_12/sqrtx.py @@ -0,0 +1,20 @@ +from typing import List, Union, Collection, Mapping, Optional +from abc import ABC, abstractmethod + +class Solution: + def mySqrt(self, x: int) -> int: + + left, right = 0, x + + while left <= right: + + mid = (left + right)//2 + + if mid ** 2 < x: + left = mid + 1 + elif mid ** 2 > x: + right = mid - 1 + else: + return mid + + return min(left, right) diff --git a/tests/test_150_questions_round_12/test_sqrtx_round_12.py b/tests/test_150_questions_round_12/test_sqrtx_round_12.py new file mode 100644 index 00000000..7d805c5d --- /dev/null +++ b/tests/test_150_questions_round_12/test_sqrtx_round_12.py @@ -0,0 +1,17 @@ +import unittest +from src.my_project.interviews.top_150_questions_round_12\ +.sqrtx import Solution + +class SqrtxTestCase(unittest.TestCase): + + def test_even_sqrtx(self): + solution = Solution() + output = solution.mySqrt(x=4) + target = 2 + self.assertEqual(output, target) + + def test_odd_sqrtx(self): + solution = Solution() + output = solution.mySqrt(x=8) + target = 2 + self.assertEqual(output, target) \ No newline at end of file