int main(int argc, char * argv[]) {
heap_t* h2 = makeSampleHeap(2);
printHeap(h2, 2);
buildMaxHeap(h2, 2);
printf("< After Heapify >\n");
printHeap(h2, 2);
heapSort(h2, 2);
printf("< After Heap Sort >\n");
printHeap(h2, 2);
releaseHeap(h2);
printf("\n");
heap_t* h3 = makeSampleHeap(3);
printHeap(h3, 3);
buildMaxHeap(h3, 3);
printf("< After Heapify >\n");
printHeap(h3, 3);
printf("Extract Max = %d\n", heapExtractMax(h3));
printf("< After Extracting Max >\n");
printHeap(h3, 2);
maxHeapInsert(h3, 8);
printf("After Inserting key = %d >\n", 8);
printHeap(h3, 3);
releaseHeap(h3);
printf("\n");
heap_t* h4 = makeSampleHeap(4);
printHeap(h4, 4);
buildMaxHeap(h4, 4);
printf("< After Heapify >\n");
printHeap(h4, 4);
heapSort(h4, 4);
printf("< After Heap Sort >\n");
printHeap(h4, 4);
releaseHeap(h4);
printf("\n");
heap_t* h5 = makeSampleHeap(5);
printHeap(h5, 5);
buildMaxHeap(h5, 5);
printf("< After Heapify >\n");
printHeap(h5, 5);
printf("Extract Max = %d\n", heapExtractMax(h5));
printf("< After Extracting Max >\n");
printHeap(h5, 4);
maxHeapInsert(h5, 12);
printf("< After Inserting key = %d >\n", 12);
printHeap(h5, 5);
releaseHeap(h5);
printf("\n");
}
int main(void) {
// srand(1);
//
// //init the data
// int i;
// for(i = 1; i <= MAX; i++) {
// number[i] = rand() % 100;
// }
//heap_size = MAX;
printf("test heapSort\n");
int a[] = {4,1,3,2,16,9,10,14,8,7};
heap_size = sizeof(a)/sizeof(a[0]);
std::copy(a, a+heap_size,number+1);
// print
printf("before sort:");
printHeap();
// sort
heapSort();
printf("after sort");
printHeap();
printf("test priority queue\n");
heap_size = sizeof(a)/sizeof(a[0]);
std::copy(a, a+heap_size,number+1);
buildMaxHeap();
heapIncreaseKey( 9, 15 );
printHeap();
return 0;
}
void testBuildMaxHeap() {
int array1[] = {10,20,5};
int array1C[] = {20,10,5};
int array2[] = {6,10,5,3,7};
int array2C[] = {10,7,5,3,6};
printf("Test MaxHeapify\n");
printf("Test 1\n");
assert(memcmp(buildMaxHeap(array1, 3),array1C,sizeof(array1))==0);
printf("Test 2\n");
assert(memcmp(buildMaxHeap(array2, 5),array2C, sizeof(array2))==0);
printf("Tests Passed\n");
}
void heapSort(unsigned int size){
buildMaxHeap(A, size);
for (unsigned int i = size - 1; i > 0; i--){
SWAP(A, i, 0);
maxHeapify(0, i);
}
}
int main()
{
int max = 0;
heap[0] = 10;
heap[1] = 1; heap[2] = 2; heap[3] = 3; heap[4] = 4;
heap[5] = 7; heap[6] = 8; heap[7] = 9; heap[8] = 10;
heap[9] = 14; heap[10] = 16;
printf("Original State:\n");
printHeap(heap);
buildMaxHeap(heap);
printf("\n After Heapifying:\n");
printHeap(heap);
heapIncreaseKey(heap, 9, 15);
printf("\n After Increasing S[9]'s key to 15:\n");
printHeap(heap);
max = heapExtractMax(heap);
printf("\n Max key is %d, After Extracting Max Key:\n", max);
printHeap(heap);
maxHeapInsert(heap, 13);
printf("\n After inserting key 13:\n");
printHeap(heap);
return 0;
}
void maxHeapSort(int A[], int n) {
buildMaxHeap(A, n);
for ( int i = n-1; i > 0; i--) {
std::swap(A[0], A[i]);
maxHeapify(A, i, 0);
}
}
void heapSort(int *heap, int heapSize){
buildMaxHeap(heap, heapSize);
int i = heapSize - 1;
for(;i > 0; i--){
exchange(heap, 0, i);
heapSize--;
maxHeapify(heap, heapSize, 0);
}
}
void p_queue::heapsort(int A[], int n)
{
buildMaxHeap(A, n);
for(int i = n-1;i > 0;i--)
{
std::swap(A[0],A[i]);
maxHeapify(A, --n, 0);
}
}
p_queue::p_queue(int *A, int n)
{
for(int i = 0;i < n;i++)
{
a[i] = A[i];
}
size = n;
buildMaxHeap(a, size);
}
int main()
{
scanf("%d",&dim);
int i = 0;
arr[0] = -1;
for(i=1;i<=dim;i++)
scanf("%d",&arr[i]);
int mode = 0 ;
buildMaxHeap();
print();
while(mode!=4)
{
printf("\n1.Insert Into Heap\n2.Delete Max\n3.Find Max\n");
scanf("%d",&mode);
if(mode==1)
{
printf("\nEnter New Data\n");
scanf("%d",&arr[dim+1]);
dim++;
buildMaxHeap();
print();
}
else if(mode==2)
{
buildMaxHeap();
for(i=1;i<dim;i++)
arr[i] = arr[i+1];
dim--;
print();
}
else if(mode==3)
{
buildMaxHeap();
printf("\n%d\n",arr[1]);
print();
}
else
break;
}
print();
return 0;
}
int findKthMax(int a[], int n, int k){
MaxHeap *heap = buildMaxHeap(a, n);
int max;
for (int i=0; i<k; i++) {
max = deleteMax(heap);
}
return max;
}
void heapsort(Array &a)
{
int len = a.length;
buildMaxHeap(a);
for (int i = a.length; i >=2; i--)
{
exchange(a[1], a[a.length]);
a.length--;
maxHeapify(a, 1);
}
a.length = len;
}
struct heap *createAndBuildHeap(int *arr, int size)
{
int i;
struct heap *maxHeap = (struct heap *)malloc(sizeof(struct heap));
maxHeap->size = size;
maxHeap->arr = arr;
for(i = (maxHeap->size - 2)/2; i >= 0; i--)
{
buildMaxHeap(maxHeap, i);
}
return maxHeap;
}
void HeapSort::maxHeapSort( int* array, int arraySize )
{
buildMaxHeap(array, arraySize);
for (int i = arraySize - 1; i > 0; --i)
{
int tmp = array[i];
array[i] = array[0];
array[0] = tmp;
++mCost;++mCost;
maxHeapify(array, i , 0);
}
}
void heapSort(int arr[],int size)
{
buildMaxHeap(arr,size);
int h = size;
for(int i = size-1 ; i >0; i--)
{
int temp = arr[0];
arr[0] = arr[i];
arr[i] = temp;
h= h-1;
maxHeapify(arr,h,0);
}
}
void heapSort(long a[], long n) {
long i;
long t;
buildMaxHeap(a, n);
for (i = n - 1; i > 0; i--) {
// a[0] is always the maximum.
t = a[i];
a[i] = a[0];
a[0] = t;
maxHeapify(a, 0, i);
}
return;
}
void heapSort() {
buildMaxHeap();
printf("\ncreate heap:");
printHeap();
int heap_size_ = heap_size;
for(int i=heap_size; i>=2; i--)
{
std::swap(number[1], number[i]);
heap_size--;
maxHeapify(1);
}
heap_size = heap_size_;
}
int main()
{
initializeHeap(heap);
initializeValues();
buildMaxHeap();
printValues();
//printf("max: %d \n",heapExtractMax());
//heapIncreaseKey(2,18);
//maxHeapInsert(17);
printValues();
return 0;
}
void heapSort(int *arr, int size)
{
struct heap *maxHeap = createAndBuildHeap(arr, size);
while(maxHeap->size > 1)
{
int temp = maxHeap->arr[0];
maxHeap->arr[0] = maxHeap->arr[maxHeap->size - 1];
maxHeap->arr[maxHeap->size - 1] = temp;
--maxHeap->size;
buildMaxHeap(maxHeap, 0);
}
}
void sort(T (&a)[N]) {
buildMaxHeap(a);
int n = N - 1;
for(int i = n; i > 0; --i) {
std::swap(a[0], a[i]);
--n;
siftDown(a, i);
}
#ifdef LIBCXX
int last = N;
for (int i = last-1; i > 1; --last, --i) {
pop(a, 0, last, i);
};
#endif
}
void printMaxK(int arr[],int size,int k)
{
int h = size;
buildMaxHeap(arr,size);
for(int i = 0; i < k; i++)
{
printf("%d\t",arr[0]);
int temp = arr[0];
arr[0]= arr[h];
arr[h]= temp;
h = h-1;
maxHeapify(arr,h,0);
}
}
// 希尔排序
void heapSort(int *data, int n) {
unsigned long count = 0;
clock_t start = clock();
buildMaxHeap(data, n);
// printArray(data, n);
// printf("------------------------------------\n");
int i;
for (i = n; i > 1; i--) {
// 删除到i=2时就可以了
deleteMax(data, i);
count++;
// printf("[%d] ", n-i+1);
// printArray(data, n);
}
timeinfo("heapSort", n, count, clock() - start);
}
void buildMaxHeap(struct heap *maxHeap, int i)
{
int largest = i;
int l = (i << 1) + 1;
int r = (i + 1) << 1;
if(l < maxHeap->size && maxHeap->arr[l] > maxHeap->arr[largest])
largest = l;
if(r < maxHeap->size && maxHeap->arr[r] > maxHeap->arr[largest])
largest = r;
if(largest != i)
{
int temp = maxHeap->arr[largest];
maxHeap->arr[largest] = maxHeap->arr[i];
maxHeap->arr[i] = temp;
buildMaxHeap(maxHeap, largest);
}
}
struct heap* heapSort(struct heap* H){
//sorting is in increasing value of key
H=buildMaxHeap(H);
int i,n;
int *t1,*t2;
n=H->heapSize;
for(i=n-1;i>=1;i--){
t1=&(H->A[0]);
t2=&(H->A[i]);
swap(t1,t2);
H->heapSize--;//reduce the size. the last element shouldn't take part in heapify
maxHeapify(H,0);
}//end of for loop
//restoring heapSize
H->heapSize=n;
}//end of heapSort()
// heap sort 함수
void heapSort(heap_t* heap, int length) {
int temp = 0;
int i;
if (!heap) return;
buildMaxHeap(heap, length);
for (i = length; i >= 2; i--) {
temp = heap->element[i];
heap->element[i] = heap->element[1];
heap->element[1] = temp;
heap->size--;
max_heapify(heap, 1);
}
}
void heapSort(int* A, int n){
/* * * * * * * * * * * * * * * * * * * * * */
/* Inputs: */
/* A : int array array of indices */
/* n : int number of element in array */
/* * * * * * * * * * * * * * * * * * * * * */
buildMaxHeap(A, n);
int i;
for(i = n - 1; i > 0; i--)
{
int temp = A[heapSize];
A[heapSize] = A[0];
A[0] = temp;
heapSize--;
minHeapify(A, 0);
}
}
int main() {
int i = 1;
int T[MAX];
while(i < MAX+1) {
T[i] = NIL;
i++;
}
scanf("%d", &n);
for(i = 1; i < n+1; i++) {
scanf("%d", &T[i]);
}
buildMaxHeap(T);
for(i = 1; i < n; i++) {
printf(" %d", T[i]);
}
printf(" %d\n", T[n]);
return 0;
}
void heapsort(Vector& data)
{
buildMaxHeap(data); // std::make_heap(data.begin(), data.end());
sortHeap(data); // std::sort_heap(data.begin(), data.end());
}