Ejemplo n.º 1
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        public void TestMajorityElement2()
        {
            var r = MajorityElement.Level2(new[] { 3, 2, 3 });

            Assert.AreEqual(r[0], 3);


            r = MajorityElement.Level2(new[] { 1, 1, 1, 3, 3, 2, 2, 2 });
            r.Sort();
            Assert.AreEqual(r[0], 1);
            Assert.AreEqual(r[1], 2);


            r = MajorityElement.Level2(new[] { 1, 2, 3, 1, 2, 3, 1, 2, 3 });
            r.Sort();
            Assert.AreEqual(r.Count, 0);


            r = MajorityElement.Level2(new[] { 1, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1 });
            r.Sort();
            Assert.AreEqual(r[0], 1);

            r = MajorityElement.Level2(new[] { 1, 1, 3, 1, 2, 3, 1, 2, 3, 4, 1, 3, 3, 3 });
            r.Sort();
            Assert.AreEqual(r[0], 1);
            Assert.AreEqual(r[1], 3);
        }
Ejemplo n.º 2
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        public void Excution1Test()
        {
            var func = new MajorityElement();

            Assert.AreEqual(3, func.Excution1(new[] { 3 }));
            Assert.AreEqual(3, func.Excution1(new[] { 3, 2, 3 }));
            Assert.AreEqual(2, func.Excution1(new[] { 2, 2, 1, 1, 1, 2, 2 }));
        }
Ejemplo n.º 3
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        public void StringToIntArray()
        {
            var tested = new MajorityElement();

            CollectionAssert.AreEqual(
                tested.StringToIntArray("123"),
                new[] { 1, 2, 3 }
                );

            CollectionAssert.AreEqual(
                tested.StringToIntArray("112222"),
                new[] { 1, 1, 2, 2, 2, 2 }
                );
        }
Ejemplo n.º 4
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        public static void Main(string[] args)
        {
            var func1 = new MajorityElement();

            int[] arr  = new int[] { 2, 2, 1, 1, 1, 2, 2 };
            int[] arr1 = new int[] { 3, 2, 3 };
            int[] arr2 = new int[] { 6, 5, 5 };
            // Console.WriteLine(func1.Majority_Element(arr2));

            var func2 = new MyPow();

            Console.WriteLine(func2.myPow(2.000, 3));
            Console.WriteLine(func2.myPow(2.1000, 3));
            Console.WriteLine(func2.myPow(2.0000, -2147483648));

            var func3 = new BestTimeToBuyAndSellStock();

            Console.WriteLine(func3.Calculate(new [] { 7, 1, 5, 3, 6, 4 }));
        }
        static void Main(string[] args)
        {
            #region PairsWithGivenSum

            int[]             arr1  = new int[] { 1, 4, 3, 3, 5, 2, 6 };
            PairsWithGivenSum pairs = new PairsWithGivenSum();
            pairs.FindPairsForGivenSum(arr1, 9);

            #endregion

            #region MajorityElement

            int[]           arr2    = new int[] { 1, 1, 1, 2, 2, 2, 2 };
            MajorityElement element = new MajorityElement();
            element.FindMajorityElement(arr2);
            element.FindMajorityElementUsingMooreAlgo(arr2);

            #endregion

            #region MaxDifference

            int[]         arr3       = new int[] { 3, 1, 4, 7, 5, 100, 10 };
            MaxDifference difference = new MaxDifference();
            difference.FindMaxApproachOne(arr3);
            difference.FindMaxApproachTwo(arr3);

            #endregion

            #region OddOccurrence

            int[]         arr4       = new int[] { 2, 3, 1, 2, 3, 1, 1 };
            OddOccurrence occurrence = new OddOccurrence();
            occurrence.FindOddOccurrence(arr4);
            occurrence.FindOddOccurrenceXOR(arr4);

            #endregion

            Console.ReadKey();
        }
Ejemplo n.º 6
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        public void FindBiggestNumber()
        {
            var solution = new MajorityElement();

            Assert.AreEqual(
                solution.FindBiggestNumber(new[] { 1, 2, 2, 2, 3 }),
                2
                );
            Assert.AreEqual(
                solution.FindBiggestNumber(new int[] {}),
                -1
                );

            Assert.AreEqual(
                solution.FindBiggestNumber(new int[] { 1, 2, 3 }),
                -1
                );

            Assert.AreEqual(
                solution.FindBiggestNumber(new[] { 1, 2, 2, 3, 4, 4, 4, 4, 4 }),
                4
                );
        }
Ejemplo n.º 7
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        public void TestMajorityElement()
        {
            var r = MajorityElement.Level1_BitCalc(new[] { 1000, 30, 30, 1000, 10001, 1000, 30, 1000, 1000 });

            Assert.AreEqual(r, 1000);
        }
Ejemplo n.º 8
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 private static Boolean KawigiEdit_RunTest(int testNum, int[] p0, Boolean hasAnswer, int p1)
 {
     Console.Write("Test " + testNum + ": [" + "{");
     for (int i = 0; p0.Length > i; ++i) {
         if (i > 0) {
             Console.Write(",");
         }
         Console.Write(p0[i]);
     }
     Console.Write("}");
     Console.WriteLine("]");
     MajorityElement obj;
     int answer;
     obj = new MajorityElement();
     DateTime startTime = DateTime.Now;
     answer = obj.findMajorityElement(p0);
     DateTime endTime = DateTime.Now;
     Boolean res;
     res = true;
     Console.WriteLine("Time: " + (endTime - startTime).TotalSeconds + " seconds");
     if (hasAnswer) {
         Console.WriteLine("Desired answer:");
         Console.WriteLine("\t" + p1);
     }
     Console.WriteLine("Your answer:");
     Console.WriteLine("\t" + answer);
     if (hasAnswer) {
         res = answer == p1;
     }
     if (!res) {
         Console.WriteLine("DOESN'T MATCH!!!!");
     } else if ((endTime - startTime).TotalSeconds >= 2) {
         Console.WriteLine("FAIL the timeout");
         res = false;
     } else if (hasAnswer) {
         Console.WriteLine("Match :-)");
     } else {
         Console.WriteLine("OK, but is it right?");
     }
     Console.WriteLine("");
     return res;
 }
Ejemplo n.º 9
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        public int MajorityElement(int[] nums)
        {
            var m = new MajorityElement(nums);

            return(m.GetMajorityElement());
        }
Ejemplo n.º 10
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        public void FindMajorityElementTest()
        {
            MajorityElement ME = new MajorityElement();

            ME.FindMajorityElement(new int[] { 4, 4, 3, 5, 4, 4, 6, 7, 4, 4 }).Should().Be(4);
        }
Ejemplo n.º 11
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 public void FindMajorityElementTest()
 {
     MajorityElement ME=new MajorityElement();
     ME.FindMajorityElement(new int[] {4, 4, 3, 5, 4, 4, 6, 7,4,4}).Should().Be(4);
 }
Ejemplo n.º 12
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        static void Main(string[] args)
        {
            // StringProblems
            //Test calls for Reverse string
            string input = "jacob";

            Console.WriteLine(input + "<=>" + new string(SimpleProblem.ReverseString(input.ToCharArray())));
            input = "jake";
            Console.WriteLine(input + "<=>" + new string(SimpleProblem.ReverseString(input.ToCharArray())));
            input = "";
            Console.WriteLine(input + "<=>" + new string(SimpleProblem.ReverseString(input.ToCharArray())));
            input = "jdshjdh@#$%^&)";
            Console.WriteLine(input + "<=>" + new string(SimpleProblem.ReverseString(input.ToCharArray())));

            ReplaceSpaces.TestReplaceSpacesInplace();
            Anagrams.TestIsAnagramAlgo();
            StringRotation.TestIsThisRotatedString();
            RemoveDuplicates.TestRemoveDuplicatesFromString();
            StringToLongConverter.TestStringToLong();
            RegexMatching.TestMatch();
            SumOfTwoNumbersInArray.TestSumOfTwoNumbersInArray();
            SumOfThreeNumbersInArray.TestSumOfThreeNumbersInArray();
            PairInSortedArrayClosestToAParticularValue.TestPairInSortedArrayClosestToAParticularValue();
            PalindromeInStringPermutation.TestPalindromeInStringPermutation();
            EditDistanceBetweenStrings.TestEditDistanceBetweenStrings();
            AnagramIsPalindrome.TestAnagramIsPalindrome();
            GreatestPalindrome.TestGreatestPalindrome();
            ReverseStringWithoutVowels.TestReverseStringWithoutVowels();
            LongestSubstringWithKDistinctChars.TestLongestSubstringWithKDistinctChars();
            // Pattern Matching
            NativePatternMatching.TestNativePatternMatching();
            KMPPatternMatching.TestKMPPatternMatching();
            BoyerMoorePatternMatching.TestPatternMatching();
            RabinKarp.TestRabinKarp();

            //Console.ReadLine();

            //Array Problems
            ArrayOfNumsIncrement.TestIncrementArrayOfNumbers();
            MajorityElement.TestFindMajorityElement();
            Merge2SortedArrays.TestMergeSortedArrays();
            MaxDistanceInArray.TestMaxDistanceInArray();
            MovingAverage.TestMovingAverage();
            TotalAverage.TestTotalAverage();
            ArrayWithGreaterElementToRight.TestArrayWithGreaterElementToRight();
            WaterCollectedInPuddleShownByHistogram.TestWaterCollectedInPuddleShownByHistogram();
            CountOfPairsWhichSumUpToGivenSum.TestCountOfPairsWhichSumUpToGivenSum();
            //Median.TestGetMedianOf2SortedArray();

            // Sorting Problems
            SelectionSort.TestSorting();
            BubbleSort.TestSorting();
            InsertionSort.TestSorting();
            ShellSort.TestSorting();
            MergeSort.TestMergeSort();
            QuickSort.TestQuickSort();
            HeapSortTester.TestHeapSort();
            CountingSort.TestSorting();
            RadixSort.TestRadixSort();
            DutchNationalFlag.TestDutchNationalFlag();
            SortedSquares.TestSortedSquares();

            // Matrix Problem
            Rotate_Matrix_90_degree.TestRotateMatrix();
            Matrix_Column_Rows_0.TestMakeRowColZero1();
            Matrix_Column_Rows_0.TestMakeRowColZero2();
            RotateMatrix180.TestRotateMatrix180();
            SumOfMatrixElementsFormedByRectangleWithCoordinates.TestSumOfMatrixElements();
            SortedArrayFromSortedMatrix.TestSortedArrayFromSortedMatrix();
            SearchWordInMatrix.TestSearchWordInMatrix();
            MaxOnesInRow.TestMaxOnesInRow();
            MatrixAsTriangle.TestMatrixAsTriangle();
            MinRangeInMatrix.TestMinRangeInMatrix();
            PrintMatrixAsSnake.TestPrintMatrixAsSnake();
            PrintMatrixInSpiral.TestPrintMatrixInSpiral();
            MaxSqAreaInBinaryMatrix.TestMaxRectAreaInBinaryMatrix();
            TicTacToeWinner.TestTicTacToeWinner();
            WaterfallCreation.TestWaterfallCreation();

            // Linked list Problems
            DeleteLinkedListNode.TestDeleteFirstNode();
            DeleteDuplicatesFromLinkedList.TestDeleteDuplicates();
            NthLastElementOfLinkedList.TestNthLastNodeOfLinkedList();
            DeleteNodeWithDirectReference.TestDeleteNode();
            AddNumbers.TestAddNumbersRepresentedByLinkedList();
            CopyLinkedListWithRandomNode.TestGetCopiedLinkedListWithRandomNode();
            CommonElementInTwoLinkedList.TestCommonElement();
            ReverseAdjacentNodesInLinkedList.TestReverseAdjacentNodes();
            MergeSortedLinkedList.TestMerge();
            CycleInLinkedList.TestStartOfCycleInLinkedList();
            MedianForCircularLinkedList.TestGetMedian();
            ReverseLinkedList.TestReverseLinkedList();
            SortedCircularLinkedList.TestCircularLinkedList();

            // stack and queue problem
            ThreeStackWithOneArray.TestThreeStackWithOneArray();
            StackWithMinElement.TestStackWithMinElement();
            StackOfPlates.TestStackOfPlates();
            SortAStack.TestSortAStackAscending();
            WellFormedExpression.TestWellFormedExpression();
            QueueVia2Stack.TestQueueVia2Stack();
            LRUCache.TestLRUCache();
            EvaluatePrefixNotation.TestGetPrefixNotationResult();
            EvaluateInflixNotation.TestGetInflixNotationResults();
            EvaluatePostfixNotation.TestGetPostfixNotationResult();
            TestCircularQueue.TestCircularQueueWithDifferentCases();
            LargestAreaInHistogram.TestLargestAreaInHistogram();
            TextEditerWithUndo.TestTextEditerWithUndo();

            //Recursion Problem
            TowerOfHanoi.TestTowerOfHanoi();
            MaxSumOfConsecutiveNums.TestMaxSumOfConsecutiveNums();

            // Back tracking problems
            Sudoku.TestSudokuSolver();
            HamiltonianCycle.TestHamiltonianCycle();
            GraphColoringWithMColors.TestGraphColoringWithMColors();
            MakeLargestIsland.TestMakeLargestIsland();

            //Misc Problem
            MinNumOfCoins.TestMinNumOfCoins();
            IsPrime.TestCheckPrime();
            SquareRoot.TestCalculateSquareRoot();
            CreditCardCheck.TestLuhnAlgo();
            ExcelFirstRowConversion.TestCovertExcelColumnToLong();
            Skyline.TestSkyline();
            SumOfSquaresWithoutMultiplication.TestSumOfSquares();
            MergeIntervals.TestMergeIntervals();
            WidthOfCalendar.TestWidthOfCalendar();
            JosephusProblem.TestJosephusProblem();

            // Permutation and Combination problem
            ShuffleAList.TestFisherYatesAlgo();
            CombinationsOfBinaryString.TestCombinationsOfBinaryString();
            AllCombinationsOfString.TestAllCombinationsOfString();
            AllPermutationsOfString.TestAllPermutationsOfString();
            PhoneNumberToWords.TestPhoneNumberToWords();
            AllNumbersInRangeWithDifferentDigits.TestAllNumbersInRangeWithDifferentDigits();
            DivideSetIntoTwoEqualSetsWithMinSumDiff.TestDivideSetIntoTwoEqualSetsWithMinSumDiff();
            PowerSet.TestPowerSet();
            AllCombinationsOfParenthesis.TestAllCombinationsOfParenthesis();
            GoodDiceRoll.TestGoodDiceRoll();
            PermutationsOfValidTime.TestPermutationsOfValidTime();

            // Tree Problems
            TreeFromExpression.TestCreateTreeFromExpression();
            TestBinarySearchTree.TestDifferentOperationsOnBST();
            AncestorOfTwoNodesInBST.TestAncestorOfTwoNodesInBST();
            CheckBTisBST.TestCheckBTisBST();
            MaxSumOnTreeBranch.TestMaxSum();
            WalkTheTree.TestWalkTheTree();
            SkewedBSTToCompleteBST.TestConvertSkewedBSTToCompleteBST();
            CheckIfTheTreeIsBalanced.TestIsTreeBalanced();
            LinkedListOfTreeNodesAtEachDepth.TestCreateLinkedListOfTreeNodesAtEachDepth();
            PrintBinaryTreeNodeAtEachLevel.TestPrintBinaryTreeNodeAtEachLevel();
            PrintBinaryTreeNodeAtEachLevelSpirally.TestPrintBinaryTreeNodeAtEachLevelSpirally();
            TreeSubtreeOfAnother.TestMatchTree();
            AncestorOfTwoNodesInBT.TestGetAncestorOfTwoNodesInBT();
            AncestorOfMultiNodesInBT.TestAncestorOfMultiNodesInBT();
            LinkedListFromLeavesOfBT.TestLinkedListFromLeavesOfBT();
            ExteriorOfBT.TestPrintExteriorOfBT();
            DepthOfTree.TestGetDepthOfTree();
            TreeToColumns.TestTreeToColumns();
            KthSmallestElementFromBST.TestKthSmallestElementFromBST();
            MakeBSTFromPreOrder.TestMakeBSTFromPreOrder();
            MirrorATree.TestMirrorATree();
            CloneABTWithRandPointer.TestCloneABTWithRandPointer();
            TreeWithInorderAndPreorder.TestTreeWithInorderAndPreorder();
            TreeWithInorderAndPostorder.TestTreeWithInorderAndPostorder();
            TreePathSumsToValue.TestTreePathSumsToValue();
            AllPathInNArayTree.TestAllPathInNArayTree();
            SerializeDeserializeBinaryTree.TestSerializeDeserializeBinaryTree();
            SerializeDeserializeAnNaryTree.TestSerializeDeserializeAnNaryTree();
            AncestorOfTwoNodesInNaryTree.TestAncestorOfTwoNodesInNaryTree();
            AbsOfMaxAndSecondMaxDepthInBT.TestGetAbsOfMaxAndSecondMaxDepthInBT();

            // Trie problems
            CreateAndSearchSimpleTrie.TestCreateAndSearchSimpleTrie();
            // ToDo: have a problem of suffix trees
            ShortestPrefix.TestGetShortestPrefixNotPresentInStringSet();

            // Dynamic Programming problems
            LongestCommonSubsequence.TestGetLongestCommonSubsequence();
            LongestPalindromeSubString.TestGetLongestPalindromeSubString();
            LongestPalindromicSubsequence.TestGetLongestPalindromicSubsequence();
            MaximumAs.TestGetMaximumAs();
            MinNumberOfJumps.TestGetMinimumNumberOfJumps();
            LongestCommonSubString.TestGetLongestCommonSubString();
            KnapSackProblem.TestGetTheMaximumValueWithLimitedWeight();
            TreeCuttingProblem.TestGetTreeCuttingToMaximizeProfits();
            WordBreaking.TestBreakTheWords();
            DistanceOfWords.TestDistanceOfWords();
            LongestIncreasingSubSequence.TestLongestIncreasingSubSequence();
            MinCostPath.TestMinCostPath();
            DifferentWaysForCoinChange.TestDifferentWaysForCoinChange();
            MatrixMultiplication.TestMatrixMultiplication();
            BinomialCoefficient.TestBinomialCoefficient();
            BoxStacking.TestBoxStacking();
            WordWrapping.TestWordWrapping();
            MaxSubMatrixWithAllOnes.TestMaxSubMatrixWithAllOnes();
            LongestSubStringWithEqualSum.TestLongestSubStringWithEqualSum();
            PartitionArrayIntoEqualSumSets.TestPartitionArrayIntoEqualSumSets();
            MaxSumRectangle.TestMaxSumRectangle();
            RegularExpressionMatch.TestRegularExpressionMatch();
            NumRepresentedByPerfectSquares.TestNumRepresentedByPerfectSquares();
            LongestCommonSubsequenceInSameString.TestLongestCommonSubsequenceInSameString();
            StringDecodeAsAlphabets.TestStringDecodeAsAlphabets();
            BalloonBursting.TestBalloonBursting();
            TravellingSalesmanProblem.TestTravellingSalesmanProblem();
            MaxSumWithoutAdjacentElements.TestMaxSumWithoutAdjacentElements();
            MaxPathThroughMatrix.TestMaxPathThroughMatrix();
            BrickLaying.TestBrickLaying();
            JobSchedullingWithConstraints.TestJobSchedullingWithConstraints();
            EggDropMinTrials.TestEggDropMinTrials();

            // Graph Problems
            ShortestPath.TestGetShortestPathBetween2Vertex();
            CycleInDirectedGraph.TestIsCycleInDirectedGraph();
            CycleInUnDirectedGraph.TestIsCycleInUnDirectedGraph();
            SolveAMaze.TestSolveAMaze();
            AllPathsGivenStartEndVertex.TestGetAllPathsInGraphFromStartVertexToEndVertex();
            AllPaths.TestGetAllPathsInGraphFromStartVertex();
            ColorVertices.TestColorVerticesWithDifferentColor();
            CheckBipartiteGraph.TestCheckBipartiteGraph();
            TransformOneWordToAnother.TestGetTransformation();
            ConstraintsVerification.TestConstraintsVerification();
            ExtendedContactsInSocialNetwork.TestComputeExtendedContacts();
            CourseScheduling.TestCourseScheduling();
            SnakeAndLadder.TestSnakeAndLadder();
            IsGraphATree.TestIsGraphATree();
            ReverseGraph.TestReverseGraph();
            StronglyConnectedGraph.TestStronglyConnectedGraph();
            ConnectedComponents.TestConnectedComponents();
            ContinentalDivide.TestContinentalDivide();
            CloneGraph.TestCloneGraph();
            Wordament.TestWordament();
            // ShortestPathAlgo
            FloydWarshall.TestFloydWarshall();
            DijkstraAlgorithm.TestDijkstraAlgorithm();
            BellmanFord.TestBellmanFord();
            TravelFromLeftToRightInMatrix.TestTravelFromLeftToRightInMatrix();
            HeuristicSearch.TestHeuristicSearch();
            AStar.TestAStar();
            ShortestPathWhenObstaclesRemoved.TestShortestPathWhenObstaclesRemoved();
            ShortestDistanceFromRoomsToGates.TestShortestDistanceFromRoomsToGates();
            //MaxFlow
            FordFulkersonEdmondKarp.TestFordFulkersonEdmondKarp();
            MinCut.TestMinCut();
            MaximumBipartiteMatching.TestMaximumBipartiteMatching();
            //Minimum Spanning Tree
            KruskalAlgorithm.TestKruskalAlgorithm();
            PrimsAlgorithm.TestPrimsAlgorithm();


            //Heap problems
            BasicMaxHeap.TestMaxHeap();
            BasicMinHeap.TestMinHeap();
            TestMinHeapMap.DoTest();
            TestPriorityQueue.Run();
            MedianForAStreamOfNumbers.TestMedianForAStreamOfNumbers();

            //DisjointSets
            TestingDisjointSet.Run();
            //TestWeightedDisjointSetsWithPathCompression.Run(); // this runs slow, hence commenting it

            //Geometry
            ClosestPairOfPoints.TestClosestPairOfPoints();
            RectangleIntersection.TestRectangleIntersection();
            LineSegmentIntersection.TestLineSegmentIntersection();
            ConvexHull.TestConvexHull();
            KClosestPointToOrigin.TestKClosestPointToOrigin();

            //Greedy Algorithm
            HuffmanCoding.TestHuffmanCoding();

            //Randomized Algorithm
            RandomGeneration.TestRandomGeneration();

            // Bit Algorithms
            IntHaveOppositeSigns.TestIntHaveOppositeSigns();
            Parity.TestParity();

            //Math Problem
            ZerosInFactorial.TestZerosInFactorial();
            GetAllPrimeFactors.TestGetAllPrimeFactors();
            NumberOfFactors.TestNumberOfFactors();
            AllFactors.TestAllFactors();
            MultiplyLongNumbers.TestMultiplyLongNumbers();
            NextLargestPermutation.TestNextLargestPermutation();
            AllPrimesTillN.TestAllPrimesTillN();
            PascalsTriangle.TestPascalsTriangle();
            SubtractLongNumbers.TestSubtractLongNumbers();

            //Search problems
            SearchInSortedRotatedArray.TestSearchInSortedRotatedArray();
            KClosestElementInArray.TestKClosestElementInArray();
            SearchInSortedMatrix.TestSearchInSortedMatrix();
            BinarySearchUnbounded.TestBinarySearchUnbounded();
            LinkedListSublistSearch.TestLinkedListSublistSearch();
            NoOfOccuranceInSortedArray.TestNoOfOccuranceInSortedArray();
            GetSmallestInSortedRotatedArray.TestGetSmallestInSortedRotatedArray();

            //Distributed algorithms
            KWayMerge.TestKWayMerge();


            Console.ReadLine();
        }
Ejemplo n.º 13
0
 public void BeforeEach()
 {
     MajorityElement = new MajorityElement();
 }