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Commit 84ec4bc

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author
Gonzalo Diaz
committed
[Hacker Rank] Interview Preparation Kit: Miscellaneous: Flipping bits. New way to solve ✅.
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// @link Problem definition [[docs/hackerrank/interview_preparation_kit/miscellaneous/flipping-bits.md]]
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namespace algorithm_exercises_csharp.hackerrank.interview_preparation_kit.miscellaneous;
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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public static class FlippingBitsAlternative
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{
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public static long flippingBits(long n)
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{
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return ~n & 0xFFFFFFFF; // Use bitwise NOT and mask to ensure 32 bits
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}
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}
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namespace algorithm_exercises_csharp_test.hackerrank.interview_preparation_kit.miscellaneous;
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using algorithm_exercises_csharp_test.common;
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using algorithm_exercises_csharp.hackerrank.interview_preparation_kit.miscellaneous;
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[TestClass]
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public class FlippingBitsAlternativeTest
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{
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public class FlippingBitsAlternativeTestCaseTest(long input, long answer)
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{
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public long Input { get; } = input;
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public long Answer { get; } = answer;
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}
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public class FlippingBitsAlternativeTestCase(string title, List<FlippingBitsAlternativeTestCaseTest> tests)
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{
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public string Title { get; } = title;
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public List<FlippingBitsAlternativeTestCaseTest> Tests { get; } = tests;
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}
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private List<FlippingBitsAlternativeTestCase> testCases { get; set; } = default!;
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[TestInitialize]
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public void testInitialize()
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{
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testCases = JsonLoader.resourceLoad<List<FlippingBitsAlternativeTestCase>>(
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"hackerrank/interview_preparation_kit/miscellaneous/flipping_bits.testcases.json"
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) ?? [];
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}
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[TestMethod]
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public void testFlippingBitsAlternative()
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{
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long result;
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foreach (FlippingBitsAlternativeTestCase tests in testCases)
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{
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foreach (FlippingBitsAlternativeTestCaseTest test in tests.Tests)
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{
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result = FlippingBitsAlternative.flippingBits(test.Input);
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Assert.AreEqual(
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test.Answer,
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result,
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string.Format(
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System.Globalization.CultureInfo.InvariantCulture,
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"FlippingBitsAlternative.flippingBits({0}) => must be: {1}",
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test.Input,
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test.Answer
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)
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);
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}
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}
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}
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}

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