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Completed initial hussy dry run for two-sum.
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samples/Hussy.Net.Playground/Leetcode/Easy/TwoSum/HussyDryRun.cs
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namespace Hussy.Net.Playground.Leetcode.Easy; | ||
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/// <summary> | ||
/// Represents a solution and its tests for the leetcode two-sum problem. | ||
/// </summary> | ||
/// <see href="https://leetcode.com/problems/two-sum/description/"/> | ||
public sealed partial class TwoSum | ||
{ | ||
/// <summary> | ||
/// A very mundane and direct approach to solving the problem to understand where Hussy may be lacking. | ||
/// </summary> | ||
/// <param name="numbers">The array of numbers to look through.</param> | ||
/// <param name="target"> | ||
/// The target number which the two numbers in <paramref name="numbers"/> must add up to. | ||
/// </param> | ||
/// <returns> | ||
/// The two indices of the numbers which add up to the <paramref name="target"/>. | ||
/// </returns> | ||
private static IEnumerable<int>? HussyDryRun( | ||
int[] n, | ||
int t) => | ||
n.Fe((x, y) => x.I != y.I && x.V + y.V == t,(x, y) => new[] { x.I, y.I }); | ||
} |
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