< Summary

Information
Class: LeetCode.Algorithms.FindLuckyIntegerInAnArray.FindLuckyIntegerInAnArrayFrequencyDictionary
Assembly: LeetCode
File(s): D:\a\LeetCode-CS\LeetCode-CS\source\LeetCode\Algorithms\FindLuckyIntegerInAnArray\FindLuckyIntegerInAnArrayFrequencyDictionary.cs
Line coverage
100%
Covered lines: 17
Uncovered lines: 0
Coverable lines: 17
Total lines: 45
Line coverage: 100%
Branch coverage
100%
Covered branches: 10
Total branches: 10
Branch coverage: 100%
Method coverage

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Metrics

MethodBranch coverage Crap Score Cyclomatic complexity Line coverage
FindLucky(...)100%1010100%

File(s)

D:\a\LeetCode-CS\LeetCode-CS\source\LeetCode\Algorithms\FindLuckyIntegerInAnArray\FindLuckyIntegerInAnArrayFrequencyDictionary.cs

#LineLine coverage
 1// --------------------------------------------------------------------------------
 2// Copyright (C) 2025 Eugene Eremeev (also known as Yevhenii Yeriemeieiv).
 3// All Rights Reserved.
 4// --------------------------------------------------------------------------------
 5// This software is the confidential and proprietary information of Eugene Eremeev
 6// (also known as Yevhenii Yeriemeieiv) ("Confidential Information"). You shall not
 7// disclose such Confidential Information and shall use it only in accordance with
 8// the terms of the license agreement you entered into with Eugene Eremeev (also
 9// known as Yevhenii Yeriemeieiv).
 10// --------------------------------------------------------------------------------
 11
 12namespace LeetCode.Algorithms.FindLuckyIntegerInAnArray;
 13
 14/// <inheritdoc />
 15public class FindLuckyIntegerInAnArrayFrequencyDictionary : IFindLuckyIntegerInAnArray
 16{
 17    /// <summary>
 18    ///     Time complexity - O(n)
 19    ///     Space complexity - O(n)
 20    /// </summary>
 21    /// <param name="arr"></param>
 22    /// <returns></returns>
 23    public int FindLucky(int[] arr)
 324    {
 325        var frequencyDictionary = new Dictionary<int, int>();
 26
 3927        foreach (var number in arr)
 1528        {
 1529            if (!frequencyDictionary.TryAdd(number, 1))
 730            {
 731                frequencyDictionary[number]++;
 732            }
 1533        }
 34
 335        var result = -1;
 36
 1737        foreach (var frequency in frequencyDictionary.Where(frequency =>
 1138                     frequency.Key == frequency.Value && frequency.Key > result))
 439        {
 440            result = frequency.Key;
 441        }
 42
 343        return result;
 344    }
 45}

Methods/Properties

FindLucky(System.Int32[])