// Clean up Queue!
PriorityQueue::~PriorityQueue() {
// head
void* item = removeMin();
while(item != 0x0){
delete item;
item = removeMin();
}
}
int main() {
// declarare lista vida
Element **array;
int nrListe, j, sumElemente = 0;
printf("Cate liste vrei?");
scanf("%d", &nrListe);
array = create_array(nrListe, &sumElemente);
// Afisare liste
for(j=0;j<nrListe;j++) {
printf("\n Lista [%d]\n", j);
Afisare(array[j]);
}
printf("\n");
// Definim un nou heap in care vom tine toate elementele
struct heapStruct *h;
h = initHeap();
// Testam adaugarea primelor elemente din fiecare lista
for(j=0;j<nrListe;j++)
insert(h, array[j]->valoare, j);
printHeap(h);
// Incepem sa punem primul element de pe heap primul
int *result;
result = (int*)malloc(sizeof(int)*sumElemente);
int c = 0;
printf("Marimea la heap: %d", nrListe);
printf("Cate elemente vom avea: %d", sumElemente);
while( nrListe > 0) {
heapElement min;
int i, k;
min = removeMin(h);
i = min.list_index;
k = min.value;
printf("\n [Valoare|index] = [%d|%d]\n", k, i);
nrListe--;
// Trebuie sa stergem nodul cu indexul i
StergereElement(&array[i]);
result[c++] = k;
if (array[i] != NULL && c < 100) {
insert(h, array[i]->valoare, i);
nrListe++;
}
}
int i;
printf("\n");
for(i=0;i<sumElemente;i++)
printf("%d ", result[i]);
printf("\n");
// In absenta lui free apareau anumite erori interesante
free(array);
return 0;
}
int main() {
int i;
int vals[10];
struct heapStruct *h;
h = initHeap();
// Insert from input stream.
h = readIn(h);
// print it
printHeap(h);
// Delete some and print delete and new heap
for (i=0; i<9; i++) {
printf("Delete %d\n",removeMin(h));
printHeap(h);
}
freeHeap(h);
// Test out array initialization.
vals[0] = 12, vals[1] = 3, vals[2] = 18, vals[3] = 14, vals[4] = 5;
vals[5] = 9, vals[6] = 1, vals[7] = 7; vals[8] = 2, vals[9] = 13;
sort(vals, 10);
for (i=0; i<10; i++)
printf("%d ", vals[i]);
printf("\n");
system("echo \"done\"");
return 0;
}
void huffman(void)
{ struct CForest min1, min2;
while (treeCnt > 1) {
/* Намиране и премахване на двата най-леки върха */
min1 = forest[1];
removeMin();
min2 = forest[1];
removeMin();
/* Създаване на нов възел - обединение на двата най-редки */
forest[++treeCnt].root = (struct tree *) malloc(sizeof(struct tree));
forest[treeCnt].root->left = min1.root;
forest[treeCnt].root->right = min2.root;
forest[treeCnt].weight = min1.weight + min2.weight;
/* Вмъкване на възела */
siftUp(treeCnt);
}
}
// Runs a heap sort by creating a heap out of the values in the array, and then
// extracting those values one-by-one from the heap back into the array in the
// proper order.
void sort(int values[], int length) {
struct heapStruct *h;
int i;
// Create a heap from the array of values.
h = initHeapfromArray(values, length);
length = h->size;
// Remove these values from the heap one by one and store them back in the
// original array.
for (i=0; i<length; i++) values[i] = removeMin(h);
}
void Graph<T>::minSpanTreeSimple(bool print)
{
std::vector<EdgeNode<T>*> minSpanTree; //to store all the edges in minimum spanning tree.
int totalCost =0; //stores total cost of minimum spanning tree
if(graph != NULL && !graph->empty())
{
typename std::map<T,VertexNode<T>*>::iterator iter = graph->begin();
std::map<T,bool> visitedMap;
for(;iter!=graph->end();++iter)
{
VertexNode<T>* vertex = iter->second;
visitedMap[vertex->getVertex()]=false;
}
iter = graph-> begin();
VertexNode<T>* currVertex = iter->second; //selecting first node in map.
while(minSpanTree.size() != graph->size()-1) //Iterate till all the vertex are included in MST.
{
if(currVertex!=NULL && !visitedMap[currVertex->getVertex()])
{
//Code for adding all edges for CurrentVertex in edgeList and also getting the minimum in same iteration.
EdgeNode<T>* temp = currVertex->edgeListHead; //head for the edgeList
while(temp != NULL)
{
//storing the edge on vector.
if(!visitedMap[temp->getDestination()->getVertex()]) //if(!(temp->getDestination()->isVisited()))
{
insert(temp);
}
temp = temp->next;
}
//Set visited for the current Vertex
visitedMap[currVertex->getVertex()]= true;
}
//Find minimum of edgeList and remove it from the list.
EdgeNode<T>* minEdge = removeMin();
//Add minEdge to MST with current vertex to destination vertex.
minSpanTree.push_back(minEdge);
totalCost = totalCost + minEdge->getCost();
currVertex = minEdge->getDestination();
}
}
if(print)
{
cout<<totalCost<<endl;
typename std::vector<EdgeNode<T>*>::iterator iter = minSpanTree.begin();
for(;iter!=minSpanTree.end();++iter)
cout<<(*iter)->getSource()->getVertex()<<" "<<(*iter)->getDestination()->getVertex()<<endl;
}
}
int main() {
MinMaxHeap heap;
initMinMaxHeap(&heap, NULL, DEFAULTSIZE, THRESHOLD);
srand(time(NULL));
int sorted[SIZE],array[SIZE];
int i;
for (i = 0; i < SIZE; i++) {
array[i] = (rand() % UPPERSIZE) + 1;
mmHeapPut(&heap,array[i], &array[i]);
}
traverseHeap(&heap);
int *min, *max;
getMin(&heap, (void **)&min);
getMax(&heap, (void **)&max);
printf("Min => %d , Max => %d\n",*min,*max);
/* Sorts in ascending order*/
for (i = 0; i < SIZE; i++) {
getMin(&heap, (void **)&min);
sorted[i] = *min;
removeMin(&heap);
}
int prev = sorted[0];
/* Is the array sorted ? */
for (i = 1; i < SIZE; i++) {
if (prev > sorted[i]) {
printf("Random Array :(\n");
break;
}
prev = sorted[i];
}
if (i == SIZE)
printf("Sorted Array :D\n");
destroyMinMaxHeap(&heap);
return 0;
}
BinaryNode *BinarySearchTree::removeMin(BinaryNode *t)
{
if(t == NULL)
throw 2;
if(t->left != NULL)
t->left = removeMin(t->left);
else
{
BinaryNode *node = t;
t = t->right;
delete node;
}
return t;
}
Set
*dijkstra(Graph *g, Label v, int Home, int n) {
// for the school vertex v, find all indices for homes and put all into
// a set
Heap *H;
Edge *Eu;
Set *S;
int i, usize;
Label u;
float R[n], delta;
// create a heap to store the distance for every vertices
// and an array to store dist values
H = createHeap();
for (i=0;i<n;i++) {
if (i==v) {
insert(H, i, 0);
R[i]=0;
continue;
}
insert(H, i, INFINITY);
R[i] = INFINITY;
}
// then loop through the heap
while (H->n) {
// extract the min in the heap
u = removeMin(H);
// if dist of u exceeds 1km, stop the loop
if (R[u]>1000) {
break;
}
Eu = graph_get_edge_array(g, u, &usize);
for (i=0;i<usize;i++) {
if (R[Eu[i].u]>R[u]+ *(float*)(Eu[i].data)) {
delta = R[u] + *(float*)(Eu[i].data) - R[Eu[i].u];
changeKey(H, Eu[i].u, delta);
R[Eu[i].u] = R[u]+ *(float*)(Eu[i].data);
}
}
}
// now add all home indices with in the range of 1km into the set
S = set_new();
for (i=0;i<Home;i++) {
if (R[i]<=1000) {
set_add(S, i);
}
}
return S;
}
char followLine(int spd) {
if (TMRArd_IsTimerExpired(LINE_FOLLOW_TIMER) != TMRArd_EXPIRED)
return LINE_FOLLOW_OK;
// reinit the timer
TMRArd_InitTimer(LINE_FOLLOW_TIMER, LINE_FOLLOW_UPDATE_PERIOD);
int val[3];
char retVal;
if (spd > 0)
readFrontSensors(val);
else
readBackSensors(val);
int min = removeMin(val);
int max = getMax(val);
int correction = 0;
int error = getLinePos(val);
// check min and max to determine
// where all sensors covered, or all sensors on white
if (min > LINE_SENSOR_MIN_THRES) { // all black
retVal = LINE_FOLLOW_ALL_LINE;
}
else if (max < LINE_SENSOR_MAX_THRES) { // no line!
retVal = LINE_FOLLOW_NO_LINE;
}
else {
correction = (error * LINE_KP) >> 3;
correction += (error - oldError) * LINE_KD;
retVal = LINE_FOLLOW_OK;
}
if (spd > 0)
adjustMotion(spd, -correction);
else
adjustMotion(-spd, -correction);
oldError = error;
return retVal;
}
int main()
{
char c;
cliente entrada;
while (scanf (" %c", &c) != EOF)
{
switch (c)
{
case 'A':
scanf (" %d", &entrada.dinheiro);
scanf (" %[^\n]", entrada.nome);
if (insere(entrada))
printf("Escritorio cheio\n");
break;
case 'J':
if (clientes == 0)
{
printf("Escritorio vazio\n");
break;
}
entrada = pegaMin();
removeMin();
printf ("Joao vai atender %s (%d)\n", entrada.nome, entrada.dinheiro);
break;
case 'M':
if (clientes == 0)
{
printf("Escritorio vazio\n");
break;
}
entrada = pegaMax();
removeMax();
printf ("Maria vai atender %s (%d)\n", entrada.nome, entrada.dinheiro);
break;
case '#':
printf ("Ha %d clientes\n", clientes);
break;
default:;
}
}
return 0;
}
BinaryNode *BinarySearchTree::rRemove(int x, BinaryNode *t) //throw (ItemNotFound)
{
if(t == NULL)
throw runtime_error("ITEM NOT FOUND");
if(x < t->key)
t->left = rRemove(x, t->left);
else if(x > t->key)
t->right = rRemove(x, t->right);
else if(t->left != NULL && t->right != NULL)// item x is found; t has two children
{
t->key = findMin(t->right)->key;
t->right = removeMin(t->right);
}
else { //t has only one child
BinaryNode *node = t;
t = (t->left != NULL) ? t->left : t->right;
delete node;
}
return t;
}
Elem MySBBST<Elem, Key, EEComp, KEComp>::remove(MySBBSTNode *&sr, Key k)
{
Elem tmp = zero;
if (KEComp::eq(k, (sr -> val)))
{
if (sr -> rc && sr -> lc)
{
tmp = sr -> val;
sr -> val = removeMin(sr -> rc);
}
else if (sr -> rc)
{
tmp = sr -> val;
sr = sr -> rc;
}
else if (sr -> lc)
{
tmp = sr -> val;
sr = sr -> rc;
} else {
tmp = sr -> val;
sr = NULL;
}
calcOrder(sr);
} else if (KEComp::gt(k, (sr -> val)))
{
if (sr -> rc)
tmp = remove(sr -> rc, k);
} else if (KEComp::lt(k, (sr -> val)))
{
if (sr -> lc)
tmp = remove(sr -> lc, k);
}
return tmp;
}
int main(int argc, char *argv[])
{
int counts[257];
if(argc != 3)
{
printf("improper input\n");
return 1;
}
FILE *in = fopen(argv[1], "r");
if(in == NULL)
{
printf("bad file name\n");
return 2;
}
//set the values of aray to 0
for(int i = 0; i < 257; i++)
{
counts[i] = 0;
}
//reads in characters
int c = fgetc(in);
while(c != EOF)
{
counts[c] += 1;
c = fgetc(in);
}
//create heap
//insert end of file marker
node[256] = createTree(0, NULL, NULL);
insert(node[256]);
for(int i = 0; i < 257; i++)
{
//if the ASCII character appeared
if(counts[i] != 0)
{
//create a new tree node
node[i] = createTree(counts[i], NULL, NULL);
insert(node[i]);
}
}
//constructing huffman tree
while(heapSize > 1)
{
//remove two lowest values, put them into a node, put the new node into the binary heap
struct tree* left = removeMin();
struct tree* right = removeMin();
struct tree *tmp = createTree((getData(left) + getData(right)), right, left);
insert(tmp);
}
for(int i = 0; i < 257; i++)
{
//print out the count and the codes of the ASCII characters
if (node[i]!=NULL) {
if(isprint(i))
printf("'%c': %i ", i, getData(node[i]));
else
printf("%03o: %i ", i, getData(node[i]));
code(node[i]);
printf("\n");
}
}
pack(argv[1], argv[2], node);//zip the file
destroyTree(heap[0]);
return 0;
}
int aStar(tNodeQueue *root, int heuristica, int *answer) {
tQueue *a = malloc(sizeof(tQueue));
tQueue *f = malloc(sizeof(tQueue));
*answer = -1;
printf("%d\n",a);
initialize(a);
initialize(f);
insertAtEnd(a, root);
while (!isEmpty(a)) {
tNodeQueue *v = removeMin(a);
insertAtEnd(f, v);
if (isFinalState(v->elem->matrix)) {
*answer = v->elem->f;
return 1;
} else {
tNodeQueue *top = malloc(sizeof (tNodeQueue));
tNodeBoard *topBoard = malloc(sizeof (tNodeBoard));
top->elem = topBoard;
tNodeQueue *right = malloc(sizeof (tNodeQueue));
tNodeBoard *rightBoard = malloc(sizeof (tNodeBoard));
right->elem = rightBoard;
tNodeQueue *bottom = malloc(sizeof (tNodeQueue));
tNodeBoard *bottomBoard = malloc(sizeof (tNodeBoard));
bottom->elem = bottomBoard;
tNodeQueue *left = malloc(sizeof (tNodeQueue));
tNodeBoard *leftBoard = malloc(sizeof (tNodeBoard));
left->elem = leftBoard;
int i;
int j;
findZeroPosition(v->elem->matrix, &i, &j);
if (moveTop(v->elem->matrix, top->elem->matrix, i, j)) {
validSuccessor(a, f, v, top, heuristica);
} else {
free(topBoard);
free(top);
}
if (moveRight(v->elem->matrix, right->elem->matrix, i, j)) {
validSuccessor(a, f, v, right, heuristica);
} else {
free(rightBoard);
free(right);
}
if (moveBottom(v->elem->matrix, bottom->elem->matrix, i, j)) {
validSuccessor(a, f, v, bottom, heuristica);
} else {
free(bottomBoard);
free(bottom);
}
if (moveLeft(v->elem->matrix, left->elem->matrix, i, j)) {
validSuccessor(a, f, v, left, heuristica);
} else {
free(leftBoard);
free(left);
}
}
}
if (isEmpty(a)) {
return 0;
}
}
heapNode dequeue(PQ *q) {
heapNode rv = removeMin(q->heap, q->size);
--q->size;
return rv;
}
int main(int argc, char *argv[])
{
FILE *fpRead;
int i, c, j;
int count[257];
TREE *leaves[257] = {NULL};
TREE *heap[257] = {NULL};
int heapCount = 0;
//make sure read file and write file is specified
if(argc < 3)
{
printf("Not all files are specified");
return 0;
}
fpRead = fopen(argv[1], "r");
//initialize charCount to zero
for(i = 0; i < 257; i++)
{
count[i] = 0;
}
//increment character count for each character in the file.
while((c=getc(fpRead))!=EOF)
{
count[c]++;
}
fclose(fpRead);
//create and add leaves, set up to construct huffman tree
for(j = 0; j < 256; j++)
{
if(count[j]>0)
{
leaves[j] = createTree(count[j], NULL, NULL);
addSorted(heap, leaves[j], &heapCount);
}
}
//add EOF char to the array
leaves[256] = createTree(0, NULL, NULL);
addSorted(heap, leaves[256], &heapCount);
//construct the huffman tree
while(heapCount>1)
{
TREE *smallMin = removeMin(heap, &heapCount);
TREE *bigMin = removeMin(heap, &heapCount);
TREE *combo = createTree(getData(smallMin)+getData(bigMin), smallMin, bigMin);
//addSorted(heap, combo, &heapCount);
addSorted(heap, combo, &heapCount);
}
for(i = 0; i < 257; i++)
{
if(leaves[i]!=NULL)
{
if(isprint(i))
printf("'%c': %d\t", i, getData(leaves[i]));
else
printf("%03o: %d\t", i, getData(leaves[i]));
printTree(leaves[i]);
printf("\n");
}
}
pack(argv[1] , argv[2], leaves);
//add leaves to heap
//length 257
//add and remove functions
//get mins, use createTree to then make a tree wtih the minimun values as children of the new combined root node
//build the heap
//heap of size size, initialized to null
//keep heap count
//for -> traverse through leaves, if leaves[index] != NULL
//insertHeap -> min heap, increment heap count
//after all inserted, assemble priority queue into huffman tree
//insert and delete -> dequeue
//in heap, remove first two minimums so dequeue those
//sum of the two becomes a new tree, decrement tree
//make sure to remove from top so take from the rightmost from the left then shift the others from the bottom
//set what was removed from the end to null
//last two steps after creating the tree
//iterate until only 1 tree left which is final huffman tree
//print out bit pattern for each char
//pass leaves into pack function
//free the memory associated with huffman tree
//start with eof
//while(getParent(root)!=NULL, root=getParent(root); call destroyTree;
}
void PriorityQueue::clearAll() {
while(!empty()) {
removeMin();
}
}
void* dequeue(t_pQueue* p, t_comp c)
{
return removeMin(p->h, c);
}
