//need this to compare two BinaryTreePtr Objects
//bool BinaryTreePtr::operator<(const BinaryTreePtr& b) const
//{
// return frequency < b.frequency;
//}
int main(int argc, char** argv)
{
ifstream inf(argv[1]);
char character;
//BinaryTreePtr p;
int ascii[256] = {};
int temp[256];
int counter = 0;
BinaryHeap <BinaryTreePtr> heap; //not sure what size
while (inf.get(character)) //reads each character as char
{
int num_char = (int)character; //casts char into int
ascii[num_char]++; //increments array based on asci
}
for (int j = 0; j < 256; j++)
{
if (ascii[j] != 0)
{
int freq = ascii[j];
heap.insert(BinaryTreePtr((char)j,ascii[j]));
}
}
while(!heap.isEmpty())
{
BinaryTreePtr min_1;
heap.deleteMin(min_1);
//cout << (char)min_1.asci_value << min_1.frequency << endl;
if (heap.isEmpty())
{
heap.insert(min_1);
break;
}
else
{
BinaryTreePtr min_2;
heap.deleteMin(min_2);
// cout << (char)min_2.asci_value << min_2.frequency << endl;
BinaryTreePtr parent;
int temp_freq = min_1.Node->getInfo() + min_2.Node->getInfo();
char temp_char = 'Y';
BinaryTreePtr Parent(temp_char, temp_freq, min_1.Node, min_2.Node);
heap.insert(Parent);
}
}
char* random = new char[500]();
int i = 0;
BinaryTreePtr last;
heap.deleteMin(last);
last.Node->print(random, i);
}
void Encoder::generateHuffmanTree(){
BinaryHeap<node<int> > heap;
node<int> nodes[256];
int numNodes = 0;
for(int i = 0; i < 256; i++)
if(freq[i] > 0 && i!= 10)
cout << i << " " << freq[i] << endl;
for(int i = 0; i < 256; i++){
if(freq[i]>0 && i!=10){
nodes[numNodes].probability = freq[i];
nodes[numNodes].internal = 0;
nodes[numNodes].value = i;
heap.insert(nodes[numNodes]);
numNodes++;
}
}
// nodes disappear after this...
for(int i = 0; i < numNodes; i++){
cout << nodes[i].probability << " " << (char)nodes[i].value << endl;
}
node<int> lnode, rnode;
node<int> parentNodes[300];
int treeNumber = 0;
while(heap.currentSize > 1) //while 2 or more elements in heap
{
heap.deleteMin(lnode);
heap.deleteMin(rnode);
cout << "Lnode = " << lnode.probability << " " << lnode.value << endl;
cout << "Rnode = " << rnode.probability << " " << rnode.value << endl;
parentNodes[treeNumber].internal = 1;
parentNodes[treeNumber].probability = lnode.probability + rnode.probability;
parentNodes[treeNumber].left = &lnode;
parentNodes[treeNumber].right = &rnode;
parentNodes[treeNumber].value = treeNumber;
cout << "Tree " << treeNumber+1 << " has weight: " << lnode.probability + rnode.probability << endl;
cout << "Left child: " << parentNodes[treeNumber].left->probability << " " << parentNodes[treeNumber].left->value << " Right child: " << parentNodes[treeNumber].right->probability << " " << parentNodes[treeNumber].right->value << endl << endl;
heap.insert(parentNodes[treeNumber]);
parentNodes[treeNumber].value = treeNumber++;
}
treeNumber--; // to take away last unneeded ++
//parentNodes[treeNumber--].returnCodes(parentNodes[treeNumber--]);
//returnCodes(&parentNodes[treeNumber--]);
returnCodes(&parentNodes[0]);
returnCodes(&parentNodes[1]);
returnCodes(&parentNodes[2]);
returnCodes(&parentNodes[3]);
}
void rest_order(MarketInstruction * mi) {
if(mi->type == MarketInstruction::Order) {
if(mi->typeOfOrder == MarketInstruction::Sell) {
sellOrders->insert(mi, mi->id);
}
else if(mi->typeOfOrder == MarketInstruction::Buy) {
buyOrders->insert(mi, mi->id);
}
}
}
int main() {
BinaryHeap<int> H;
cout << endl;
vector<int> list = {30,17,20,15,10,12,5,7,8,5,2,9};
for (int i : list)
{
H.insert(i);
}
H.printHeap();
cout << " .....Inserting 1,10,6,4...." << endl;
vector<int> list2 = {1,10,6,4};
for (int i : list2)
{
H.insert(i);
}
H.printHeap();
cout << " ......Performing 3 DeleteMin() ......" << endl;
for (int i = 0 ; i<3; i++ )
{
H.deleteMin();
}
H.printHeap();
cout << endl << H.HeapHeight();
//{30,17,20,15,10,12,5,7,8,5,2,9};
return 0;
}
/**
* Main function
*/
int main(int argc, char** argv){
BinaryHeap <char> bheap;
bheap.insert('X');
bheap.insert('Y');
bheap.insert('A');
bheap.insert('R');
bheap.insert('Z');
bheap.delete_top();
bheap.print_heap();
return 0;
}
int main(int argc, char **argv) {
BinaryHeap<int> testHeap;
std::string input;
std::string numbers = "0123456789";
std::cout << "Input vals to add to BinaryHeap (val1 val2 val3 val4 ... end)\n";
while (std::cin >> input)
{
// if 'std::String::find_first_not_of' doesnt find anything, then it outputs max_int (long int)
// since any num higher than 1 will be set to true, add 1 to max int to start at 0(false)
if (input.find_first_not_of(numbers)+1 ) {
if (input == "end")
{
break;
}
else
{
std::cerr << input << " not recognized\n";
continue;
}
} // end if
int num = std::atoi(input.c_str()); // transform string into number, would have normally use boost::lexical_cast though
testHeap.insert(num);
}
std::cout << "Input vals to remove from BinaryHeap (val1 val2 val3 val4 ... end)\n";
while (std::cin >> input)
{
// if 'std::String::find_first_not_of' doesnt find anything, then it outputs max_int (long int)
// since any num higher than 1 will be set to true, add 1 to max int to start at 0(false)
if (input.find_first_not_of(numbers)+1 ) {
if (input == "end")
break;
else
{
std::cerr << input << " not recognized\n";
continue;
}
} // end if
int num = std::atoi(input.c_str());
testHeap.removeKey(num);
}
std::cerr << "\n";
while (!testHeap.isEmpty())
{
std::cerr << testHeap.findMin() << " ";
testHeap.deleteMin();
}
std::cerr << "\n";
return 0;
}
static void test_heap(const T* data, unsigned data_size, const T* sorted_data,
const T* to_remove, unsigned removed_size, const T* sorted_after_remove,
const T& not_in_heap) {
BinaryHeap<T, Compare> heap;
const size_t initial_capacity = data_size / 2, grow_capacity = (data_size * 3) / 2, alignment = 4;
UAllocTraits_t traits = {0};
TEST_ASSERT_TRUE(heap.init(initial_capacity, grow_capacity, traits, alignment));
// Fill the heap with data
for (unsigned i = 0; i < data_size; i++) {
heap.insert(data[i]);
TEST_ASSERT_TRUE(heap.is_consistent());
}
TEST_ASSERT_EQUAL(data_size, heap.get_num_elements());
// Remove and check root at each step
for (unsigned i = 0; i < data_size; i ++) {
T root = heap.get_root();
TEST_ASSERT_TRUE(root == sorted_data[i]);
heap.remove_root();
TEST_ASSERT_TRUE(heap.is_consistent());
}
TEST_ASSERT_TRUE(heap.is_empty());
// Put everything back again
for (unsigned i = 0; i < data_size; i++) {
heap.insert(data[i]);
TEST_ASSERT_TRUE(heap.is_consistent());
}
TEST_ASSERT_EQUAL(data_size, heap.get_num_elements());
// And check removing
for (unsigned i = 0; i < removed_size; i ++) {
TEST_ASSERT_TRUE(heap.remove(to_remove[i]));
TEST_ASSERT_TRUE(heap.is_consistent());
}
TEST_ASSERT_TRUE(!heap.remove(not_in_heap)); // this element is not in the heap
TEST_ASSERT_EQUAL(data_size - removed_size, heap.get_num_elements());
// Remove and check root at each step
for (unsigned i = 0; i < data_size - removed_size; i ++) {
T root = heap.pop_root();
TEST_ASSERT_TRUE(root == sorted_after_remove[i]);
TEST_ASSERT_TRUE(heap.is_consistent());
}
TEST_ASSERT_TRUE(heap.is_empty());
TEST_ASSERT_EQUAL(0, heap.get_num_elements());
}
void generate_Soldiers(BinaryHeap<soldier>& heap, int number_of_Spartans, int number_of_Persians, vector<int>& spartans, vector<int>& persians)
{
soldier newSoldier, minimum;
int faction_Selection, current_Spartans, current_Persians;
current_Spartans = 0, current_Persians = number_of_Spartans;
int timeValue = 0;
while((number_of_Spartans > 0 || number_of_Persians > 0) )
{
faction_Selection = rand() % 2;//Select from 1 to 0 for the faction
if(faction_Selection == 1 && (number_of_Spartans > 0)){
newSoldier.set_Faction(true);//Set the faction of our new soldier.
timeValue = rand() % 51 + 1;
newSoldier.set_actionTime(timeValue);
newSoldier.set_iD(current_Spartans);//Sets the iD to the current value of i. We will step through this i times, creating i soldiers.
spartans.push_back(current_Spartans);//The ID is pushed into the vector of soldiers.
current_Spartans++;
number_of_Spartans--;
heap.insert(newSoldier);//Insert our newly created soldier
}
else if(faction_Selection == 0 && (number_of_Persians > 0)){
newSoldier.set_Faction(false);
timeValue = rand() % 900 + 51;
newSoldier.set_actionTime( timeValue );
newSoldier.set_iD(current_Persians);//Sets the iD to the current value of i. We will step through this i times, creating i soldiers.
persians.push_back(current_Persians);
current_Persians++;
number_of_Persians--;
heap.insert(newSoldier);//Insert our newly created soldier
}
}
}
//getAlpha uses a binaryHeap to get the word I want alphabetized.
string getAlpha(string letters) {
BinaryHeap<char,char> getInOrder;
for (int i = 0; i < letters.length(); i++) {
getInOrder.insert(letters[i], letters[i]);
}
string alphaWord = "";
for (int j = 0; j < letters.length(); j++) {
alphaWord += getInOrder.removeMin();
}
return alphaWord;
}
void insertFromFile (BinaryHeap<Comparable> & bh, string fileName = string("input.txt"))
{
ifstream ifs(fileName.c_str());
string temp, word;
if (ifs) // make sure file is open
while (getline(ifs, temp))
{
stringstream ss(temp);
while (ss >> word)
bh.insert(word); // insert every word in file
}
else
bool SetCoveringSolution::greedyCover() {
if(coveredRows == SetCoveringDecoder::nrows) { return false; }
// Initialize heap with columnCount values:
BinaryHeap< double >* heap = new BinaryHeap< double >(SetCoveringDecoder::ncolumns);
for(unsigned j = 0; j < SetCoveringDecoder::ncolumns; ++j) {
if(rowsCoveredByCol[j] > 0) {
heap->insert(j, - double(rowsCoveredByCol[j] / SetCoveringDecoder::columnCosts[j]));
}
}
while(coveredRows < SetCoveringDecoder::nrows) {
const unsigned greedyCol = heap->extractMin(); // Get best column from heap
openColumn(greedyCol, &heap); // Open it
}
delete heap;
return isFeasible();
}
void Encoder::getHeap(const unsigned char *message, const int size,
BinaryHeap<HuffmanNode *> &heap, int &elements) const
{
unsigned int frequency[256] = {0};
for (int i = 0; i < size; i++)
{
frequency[message[i]]++;
} // for each character
for (int chars = 0; chars < 256; chars++)
{
if (frequency[chars] != 0)
{
elements++; // to keep track of how large BHeap is
HuffmanNode *ins = new HuffmanNode((unsigned char)chars, frequency[chars]);
heap.insert(ins);
} // if character is in file, add to heap
} // for freqlist
return;
} // getHeap()
int main(int argc, char *argv[]) {
std::vector<int> v { 10, 22, 32, 11, 23, 23, 100, 1, 0 };
BinaryHeap<double> *binaryHeap = new BinaryHeap<double>(15);
binaryHeap->insert(10);
binaryHeap->insert(1);
binaryHeap->insert(3);
binaryHeap->insert(1);
binaryHeap->insert(2);
binaryHeap->insert(3);
binaryHeap->insert(33);
binaryHeap->insert(0);
binaryHeap->display();
return 0;
}
void repeatedBackwardAStar(bool** maze, int size, State* start, State* goal){
int counter = 0;
State** S = new State*[size];
for (int i = 0; i < size; i++){
S[i] = new State[size];
}
for (int r = 0; r < size; r++){
for (int c = 0; c < size; c++){
S[r][c].row = r;
S[r][c].col = c;
S[r][c].search = 0;
}
}
while (!compareStatePos(start, goal)){
counter = counter + 1;
S[start->row][start->col].g = INF;
S[start->row][start->col].search = counter;
S[goal->row][goal->col].g = 0;
S[goal->row][goal->col].h = manhattanDistance(start, goal);
S[goal->row][goal->col].f = goal->g + goal->h;
S[goal->row][goal->col].search = counter;
BinaryHeap OPEN;
list<State> CLOSED;
// watch 4 states around the start state to update cost, if any
if (start->row > 0 && !maze[start->row - 1][start->col]){
updateCostToInf(S, size, start->row - 1, start->col);
}
if (start->row< size - 1 && !maze[start->row + 1][start->col]){
updateCostToInf(S, size, start->row + 1, start->col);
}
if (start->col > 0 && !maze[start->row][start->col - 1]){
updateCostToInf(S, size, start->row, start->col - 1);
}
if (start->col < size - 1 && !maze[start->row][start->col + 1]){
updateCostToInf(S, size, start->row, start->col + 1);
}
OPEN.insert(S[goal->row][goal->col]);
computePath(S, maze, start, &OPEN, &CLOSED, counter, size, false);
if (OPEN.size() == 0){
cout << "I cannot reach the target\n";
// clean up
for (int i = 0; i < size; i++){
delete[] S[i];
}
delete[] S;
return;
}
// follow the tree-pointers from sstart to sgoal
//stack<coord> path;
coord current;
current.row = start->row;
current.col = start->col;
//path.push(curCoord);
while (current.row != goal->row || current.col != goal->col){
int curRow = current.row;
int curCol = current.col;
// watch 4 states around this current state to update cost, if any
if (current.row > 0 && !maze[current.row - 1][current.col]){
updateCostToInf(S, size, current.row - 1, current.col);
}
if (current.row < size - 1 && !maze[current.row + 1][current.col]){
updateCostToInf(S, size, current.row + 1, current.col);
}
if (current.col > 0 && !maze[current.row][current.col - 1]){
updateCostToInf(S, size, current.row, current.col - 1);
}
if (current.col < size - 1 && !maze[current.row][current.col + 1]){
updateCostToInf(S, size, current.row, current.col + 1);
}
coord next;
next.row = S[curRow][curCol].treeRow;
next.col = S[curRow][curCol].treeCol;
int dir = direction(¤t, &next);
cout << "\tTried to move to: (" << next.row << ", " << next.col << ")... ";
if (S[current.row][current.col].cost[dir] > 1){
cout << "BLOCKED" << endl;
start = &S[current.row][current.col];
break;
}
cout << "OK! Moved start to: (" << next.row << ", " << next.col << ")" << endl;
current = next;
}
start = &S[current.row][current.col];
}
cout << "I reached the target" << endl;
// clean up
for (int i = 0; i < size; i++){
delete[] S[i];
}
delete[] S;
}
