Exemple #1
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TEST_F(SortingTest, ShouldReturnAscendingSortedIfAlreadyDescending) {
	Sorting sorting;
	vector<int> sorted = sorting.selectionSort(desAges);
	
	ASSERT_EQ(10, sorted.front());
	ASSERT_EQ(30, sorted.back());
}
Exemple #2
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TEST_F(SortingTest, ShouldReturnTheSameOrderIfAlreadySorted) {
	Sorting sorting;
	vector<int> sorted = sorting.selectionSort(ascAges);
	
	ASSERT_EQ(sorted.front(), ascAges.front());
	ASSERT_EQ(sorted.back(), ascAges.back());
}
Exemple #3
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TEST_F(SortingTest, ShouldReturnSortedIfNotSorted) {
	Sorting sorting;
	vector<int> sorted = sorting.selectionSort(randAges);
	
	ASSERT_EQ(10, sorted.front());
	ASSERT_EQ(30, sorted.back());
}
Exemple #4
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int main()
{
    int length;
    int *array;
    cout << "Enter the length of the array" << endl; 
    cin >> length;
    array = new int[length];
    cout << "Enter the values of the array" << endl; 
    for(int i = 0; i< length ; i++)
    {
        cin >> array[i];
    } 
        
    Sorting objSort;
    //Selection Sort    
  //  objSort.selectionSort(array, length);  
  
    //Bubble Sort
  //  objSort.bubbleSort(array, length);
  
    //Insertion Sort
    //objSort.insertionSort(array, length);
    
    //QuickSort
    //objSort.quickSort(array,0,length-1);
  
   //ShellSort
   // objSort.shellSort(array, length);  
    
    //MergeSort
    objSort.mergeSort(array, 0, length-1);  
    delete[] array;
    return 0;
}
Exemple #5
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//closest to zero sum
void minAbsSumPair(int A[], int n)
{
	/* Array should have at least two elements*/
  if(n < 2)
  {
    cout<<"Invalid Input";
    return;
  }

  Sorting *obj = &Sorting();
  obj->SetArray(A, n);
   obj->InsertionSort();

// left and right index variables
  int l = 0, r = n-1;
  int sum,minsum=A[r];
  int  min_l,min_r;
  while(l<r)
  {
	   sum=A[l]+A[r];
	   if(abs (minsum) > abs(sum))
	   { minsum=sum;
	      min_l = l;
         min_r = r;
	   }
	   if(sum >= 0)
		   r--;
	   else
           l++;
  }

 cout<<"min sum is "<<A[min_l]<< " + "  <<A[min_r]<<" = "<< minsum;     

}
Exemple #6
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void testSorting(int argc, char **argv) {
    Sorting t;
    vector<int> A = buildVector(argc, argv);
    t.flipSort(A);
//    t.radixSort(A);
    copy(A.begin(), A.end(), ostream_iterator<int>(cout, " "));
    cout << endl;
}
Exemple #7
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TEST_F(SortingTest, ShouldSwapVariableContents) {
	Sorting sorting;
	int a = 10, b = 20;
	
	sorting.swap(a, b);
	ASSERT_EQ(10, b);
	ASSERT_EQ(20, a);
}
Exemple #8
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TEST_F(SortingTest, ShouldReturnSortedForLargeGroupOfNumber) {
	Sorting sorting;
	vector<int> actual = sorting.selectionSort(lrgAges);
	
	for (int idx = 0; idx < lrgAges.size(); idx++) {
		ASSERT_EQ(sortedLrgAges.at(idx), actual.at(idx));
	}
}
Exemple #9
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bool CheckDuplicacy(int *Arr,int len)
 {
  Sorting *obj = &Sorting();
  obj->SetArray(Arr, len);
  obj->InsertionSort();
  for (int i=0;i<len;i++)
  { if (Arr[i]=Arr[i+1])
     return true;
  }
  return false;
 }
Exemple #10
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int main()
{
	Sorting sort; 
	//sort.BubbleSort();
	//sort.SelectionSort();
	//sort.InsertionSort();
	//sort.ShellSort();
	sort.MergeSort();
	//sort.QuickSortDriver();
	
	system("PAUSE");
}
Exemple #11
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int main(){

    int arr[] = {10,3,-5,8,2,5,-12,3,13,4,0,0,INT_MAX,INT_MIN};

    Sorting srt;
    srt.sort(arr, sizeof(arr)/sizeof(int));

    for (unsigned int i = 0; i < sizeof(arr)/sizeof(int); ++i){
        cout << arr[i] << " ";
    }
    cout << endl;


    return 0;
}
Exemple #12
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void Assign::assign(vector <Student*> Courses[NUM_COURSES], vector <Student*> TA, vector <int> TAships){

    vector <Student*> assignment[NUM_COURSES];
    Sorting sort;
    unsigned int i,j;
    // add heuristics, ex: karl's note about constrained TAs
    
    // final resort
    while (!constraint_course(assignment,TAships)/*||!constraint_guarantee(Courses)*/){
        for (i=0;i<NUM_COURSES;i++){
            //cout << assignment[i].size() << " " << TAships[i] << endl;
            if(assignment[i].size()<(unsigned)TAships[i]){
                assignment[i].push_back(Courses[i][0]);
                //cout << "Added "<< assignment[i][assignment[i].size()-1]->firstName << " " << assignment[i][assignment[i].size()-1]->TAhoursOwed << " to course " << i << endl;
                TA[Courses[i][0]->id]->TAhoursOwed -= 54;
                TA[Courses[i][0]->id]->TAshipsWanted -= 54;
                TA[Courses[i][0]->id]->TAshipsWanted -= 54;
                TA[Courses[i][0]->id]->minWilling -= 54;
                TA[Courses[i][0]->id]->maxWilling -= 54;
                TA[Courses[i][0]->id]->minTA -= 54;
                TA[Courses[i][0]->id]->maxTA -= 54;
                sort.sort(TA,Courses);
            } /*else if (constraint_course(assignment,TAships)&&!constraint_guarantee(Courses)){
                assignment[i].push_back(Courses[i][0]);
                cout << "Added "<< assignment[i][assignment[i].size()-1]->firstName << "to course " << i << endl;
                TA[Courses[i][0]->id]->TAhoursOwed -= 54;
                TA[Courses[i][0]->id]->TAshipsWanted -= 54;
                TA[Courses[i][0]->id]->TAshipsWanted -= 54;
                TA[Courses[i][0]->id]->minWilling -= 54;
                TA[Courses[i][0]->id]->maxWilling -= 54;
                TA[Courses[i][0]->id]->minTA -= 54;
                TA[Courses[i][0]->id]->maxTA -= 54;
                sort.sort(TA,Courses);
            } */
        }
    }
        
        //print assignment
        for(i=0;i<NUM_COURSES;i++){
            cout << "course " << i;
            for (j=0;j<assignment[i].size();j++){
                cout << " " << assignment[i][j]->firstName;
            }
            cout << endl;
        }
        
        //return assignment; need to find out how to return vector <student*> assignment[NUM_COURSES]
}
int main()
{
    Sorting test = Sorting();

    //get the users input
    int input;
    string title;
    while(input != 6)
    {
        displayMenu();
        cin >> input;
        //clear out cin
        cin.clear();
        cin.ignore(10000,'\n');

        switch (input)
        {
            case 1: //initialize array
                test.initializeArray();
                break;
            case 2: //apply algorithms
                test.runAlgorithms();
                break;
            case 3:  //display results
                break;
            case 4: //learn more
                test.moreInformation();
                break;
            case 5: // change the array settings
                test.settings();
                break;
            case 6:
                cout << "Goodbye!" << endl;
                break;
            default:
                cout << "Invalid Input" << endl;
                cin.clear();
                cin.ignore(10000,'\n');
                break;
        }
    }
    return 0;
}
Exemple #14
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int hasArrayTwoCandidates(int A[], int size, int k)
{
  Sorting *obj = &Sorting();
  obj->SetArray(A, size);
  obj->InsertionSort();

  int left=0;
  int right=size-1;
  while(left<right)
   { 
      if (A[left]+A[right] == k )
      {  cout<<"number are "<<A[left] <<" ,"<<A[right]<<endl;
          return 1;
         }
      if ( A[left]+A[right] < k)
       left++;
      else
       right--  ;
    }
 return 0;
}
Exemple #15
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int  MaxOccurance(int *Arr,int len)
{
	int currentcount=0,maxc=0;

  Sorting *obj = &Sorting();
  obj->SetArray(Arr, len);
  obj->InsertionSort();
  int currentcandidate=Arr[0],maxcandidate = Arr[0];
  for(int i=0;i<len;i++)
  {  if(Arr[i]==currentcandidate)
     currentcount++;
     else
      {
		  currentcandidate=Arr[i];
          currentcount=1;
     }
    if(currentcount>maxc)
	{  
		maxc=currentcount;
	    maxcandidate=currentcandidate;
	}
  }
 return maxcandidate;
}
Exemple #16
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/*
 * This function prints the Averages from the tests after running through all the tests.
 *
 * int max_size = maximum size that we want to test each sorting algorithm to
 * int min_size = minimum size that we want to test each sorting algorithm to
 * string theSort = string that contains tha name of the sorting algorithm we are testing.
 *
 * Worst-Case Time Complexity: Θ(n^2 + n^2 + n^2 + n^2) = Θ(n^2)
 */
void testing(int min_size, int max_size, string algorithm){
    // making sure I know what the size of each tests I'm doing
    const int& tests = 5;
    const int& test_size = 10;

    // making sure each size of the array is a set value
    const int& array_size = 10;

    // average cpu_time arrays for each data set
    float* increasing_array_averages = new float[array_size];
    float* decreasing_array_averages = new float[array_size];
    float* random_array_averages = new float[array_size];
    float* constant_array_averages = new float[array_size];

    std::cout << "\nIncreasing Array using " << algorithm << std::endl;

    // run 10 size instances (10000, 20000, 30000, etc.)
    for (int i = 0; i < test_size; i++){
        std::cout << max_size << " instances." << std::endl;

        // instantiate average value and sum value to zero on every new test.
        float average = 0.0;
        float sum = 0.0;

        // create new cpu_times array on every new test.
        float* cpu_times = new float[5];

        // run five tests
        for (int j = min_size; j < tests; j++){
            // set time to 0 before running the cpu times
            float time = 0.0;

            // instantiate new array for increasing ordered array.
            int* increasingArray = ag.generateIncreasingArray(max_size);
            if (algorithm == "insertionSort"){
                clock_t c_start = clock();
                s.insertionSort(increasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "bubbleSort"){
                clock_t c_start = clock();
                s.bubbleSort(increasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }  
            else if (algorithm == "quickSort"){
                clock_t c_start = clock();
                s.quickSort(increasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "mergeSort"){
                clock_t c_start = clock();
                s.mergeSort(increasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }    
            else {
                clock_t c_start = clock();
                s.selectionSort(increasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            //std::cout << "CPU Time (IncreasingArray): " << fixed << setprecision(3) << time << " ms." << std::endl;
            std::cout << fixed << setprecision(3) << time << " ms" << std::endl;

            // add cpu time to cpu_times array
            cpu_times[j] = time;

            // delete array at the end of each run to avoid memory leaks and faulty data
            delete[] increasingArray;
        }
        // add up the cpu_times values
        for (int j = 0; j < 5; j++){
            sum += cpu_times[j];
        }
        // find average value
        average = sum / 5.0;
        //std::cout << "Average time (" << max_size << " instances): " << average << "ms.\n" << std::endl;
        std::cout << fixed << setprecision(3) << average << " ms\n" << std::endl;

        // add average value to increasing_array_averages array per number of runs
        increasing_array_averages[i] = average;

        // once we pass our last instance (100000) break.
        if (max_size == 100000){
            break;
        }

        // go to the next instance (10000 to 20000)
        max_size += 10000;

        // delete cpu_times array to avoid memory leaks or faulty data
        delete[] cpu_times;
    }

    // start max_size back at 10000
    max_size = 10000;

    std::cout << "\nDecreasing Array using " << algorithm << std::endl;

    // run 10 size instances (10000, 20000, 30000, etc.)
    for (int i = min_size; i < test_size; i++){
        std::cout << max_size << " instances." << std::endl;
        // instantiate average value and sum value to zero on every new test.
        float average = 0.0;
        float sum = 0.0;

        // create new cpu_times array on every new test.
        float* cpu_times = new float[5];

        // run five tests
        for (int j = min_size; j < tests; j++){
            // set time to 0 before running the cpu times
            float time = 0.0;

            // instantiate new decreasing order array every run.
            int* decreasingArray = ag.generateDecreasingArray(max_size);

            if (algorithm == "insertionSort"){
                clock_t c_start = clock();
                s.insertionSort(decreasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "bubbleSort"){
                clock_t c_start = clock();
                s.bubbleSort(decreasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }  
            else if (algorithm == "quickSort"){
                clock_t c_start = clock();
                s.quickSort(decreasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "mergeSort"){
                clock_t c_start = clock();
                s.mergeSort(decreasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }    
            else {
                clock_t c_start = clock();
                s.selectionSort(decreasingArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }

            //std::cout << "CPU Time (DecreasingArray): " << fixed << setprecision(3) << time << " ms." << std::endl;
            std::cout << fixed << setprecision(3) << time << " ms" << std::endl;

            // add cpu time to cpu_times array
            cpu_times[j] = time;

            // delete array at the end of each run to avoid memory leaks and faulty data
            delete[] decreasingArray;
        }
        // add up the cpu_times values
        for (int j = 0; j < 5; j++){
            sum += cpu_times[j];
        }
        // find average value
        average = sum / 5.0;
        //std::cout << "Average time (" << max_size << " instances): " << fixed << setprecision(3) << average << "ms.\n" << std::endl;
        std::cout << fixed << setprecision(3) << average << " ms\n" << std::endl;
        // add average value to decreasing_array_averages array per number of runs
        decreasing_array_averages[i] = average;

        // once we pass our last instance (100000) break.
        if (max_size == 100000){
            break;
        }

        // go to the next instance (10000 to 20000)
        max_size += 10000;

        // delete cpu_times array to avoid memory leaks or faulty data
        delete[] cpu_times;
    }

    // start max_size back at 10000
    max_size = 10000;

    std::cout << "\nRandom Array using " << algorithm << std::endl;

    // run 10 size instances (10000, 20000, 30000, etc.)
    for (int i = min_size; i < test_size; i++){
        std::cout << max_size << " instances." << std::endl;
        // instantiate average value and sum value to zero on every new test.
        float average = 0.0;
        float sum = 0.0;

        // create new cpu_times array on every new test.
        float* cpu_times = new float[5];

        // run five tests
        for (int j = min_size; j < tests; j++){
            // set time to 0 before running the cpu times
            float time = 0.0;

            // instantiate new random order array every run.
            int* randomArray = ag.generateRandomArray(max_size);

            if (algorithm == "insertionSort"){
                clock_t c_start = clock();
                s.insertionSort(randomArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "bubbleSort"){
                clock_t c_start = clock();
                s.bubbleSort(randomArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }  
            else if (algorithm == "quickSort"){
                clock_t c_start = clock();
                s.quickSort(randomArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "mergeSort"){
                clock_t c_start = clock();
                s.mergeSort(randomArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }    
            else {
                clock_t c_start = clock();
                s.selectionSort(randomArray, max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }

            //std::cout << "CPU Time (RandomArray): " << fixed << setprecision(3) << time << " ms." << std::endl;
            std::cout << fixed << setprecision(3) << time << " ms" << std::endl;

            // add cpu time to cpu_times array
            cpu_times[j] = time;

            // delete array at the end of each run to avoid memory leaks and faulty data
            delete[] randomArray;
        }
        // add up the cpu_times values
        for (int j = 0; j < 5; j++){
            sum += cpu_times[j];
        }
        // find average value
        average = sum / 5.0;
        //std::cout << "Average time (" << max_size << " instances): " << fixed << setprecision(3) << average << "ms.\n" << std::endl;
        std::cout << fixed << setprecision(3) << average << " ms\n" << std::endl;

        // add average value to random_array_averages array per number of runs
        random_array_averages[i] = average;

        // once we pass our last instance (100000) break.
        if (max_size == 100000){
            break;
        }

        // go to the next instance (10000 to 20000)
        max_size += 10000;

        // delete cpu_times array to avoid memory leaks or faulty data
        delete[] cpu_times;
    }

    // start max_size back at 10000
    max_size = 10000;

    std::cout << "\nConstant Array using " << algorithm << std::endl;

    // run 10 size instances (10000, 20000, 30000, etc.)
    for (int i = 0; i < test_size; i++){
        std::cout << max_size << " instances." << std::endl;

        // instantiate average value and sum value to zero on every new test.
        float average = 0.0;
        float sum = 0.0;

        // create new cpu_times array on every new test.
        float* cpu_times = new float[5];

        // run five tests
        for (int j = 0; j < 5; j++){
            // set time to 0 before running the cpu times
            float time = 0.0;

            if (algorithm == "insertionSort"){
                clock_t c_start = clock();
                s.insertionSort(ag.generateConstArray("Awesome", max_size), max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "bubbleSort"){
                clock_t c_start = clock();
                s.bubbleSort(ag.generateConstArray("Awesome", max_size), max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }  
            else if (algorithm == "quickSort"){
                clock_t c_start = clock();
                s.quickSort(ag.generateConstArray("Awesome", max_size), max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }
            else if (algorithm == "mergeSort"){
                clock_t c_start = clock();
                s.mergeSort(ag.generateConstArray("Awesome", max_size), max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }    
            else {
                clock_t c_start = clock();
                s.selectionSort(ag.generateConstArray("Awesome", max_size), max_size);
                clock_t c_end = clock();
                time = 1000 * (float(c_end) - float(c_start)) / CLOCKS_PER_SEC;
            }

            //std::cout << "CPU Time (ConstantArray): " << fixed << setprecision(3) << time << " ms." << std::endl;
            std::cout << fixed << setprecision(3) << time << " ms" << std::endl;

            // add cpu time to cpu_times array
            cpu_times[j] = time;

            // delete array at the end of each run to avoid memory leaks and faulty data
            delete[] ag.generateConstArray("Awesome", max_size);
        }
        // add up the cpu_times values
        for (int j = 0; j < 5; j++){
            sum += cpu_times[j];
        }
        // find average value
        average = sum / 5.0;
        //std::cout << "Average time (" << max_size << " instances): " << fixed << setprecision(3) << average << " ms.\n" << std::endl;
        std::cout << fixed << setprecision(3) << average << " ms\n" << std::endl;
        // add average value to constant_array_averages array per number of runs
        constant_array_averages[i] = average;

        // once we pass our last instance (100000) break.
        if (max_size == 100000){
            break;
        }

        // go to the next instance (10000 to 20000)
        max_size += 10000;

        // delete cpu_times array to avoid memory leaks or faulty data
        delete[] cpu_times;
    }

    // print averages of each array generated.
    printAverages(increasing_array_averages, decreasing_array_averages, random_array_averages, constant_array_averages, array_size, algorithm);

    // delete each array we used to hold specific (generated arrays) of averages from each test.
    delete[] constant_array_averages;
    delete[] random_array_averages;
    delete[] decreasing_array_averages;
    delete[] increasing_array_averages;
}
int main() {
	Sorting sortClass;
	int sortMe[LIST_SIZE] = { 15, 14, 16, 7, 4, 8, 1 };

	// INITIAL ARRAY
	sortClass.LoadArray(sortMe);
	cout << "THE INITIAL LIST CONTAINS" << endl;
	sortClass.DisplayArray();
	cout << endl;

	// BUBBLE SORT
	sortClass.LoadArray(sortMe);
	cout << "BEGIN BUBBLE SORT" << endl;
	sortClass.BubbleSort();
	sortClass.DisplayArray();


	// INSERTION SORT
	sortClass.LoadArray(sortMe);
	cout << "BEGIN INSERTION SORT" << endl;
	sortClass.InsertionSort();
	sortClass.DisplayArray();

	// SELECTION SORT
	sortClass.LoadArray(sortMe);
	cout << "BEGIN SELECTION SORT" << endl;
	sortClass.SelectionSort();
	sortClass.DisplayArray();

	return 0;
}