void BSTtester() {
using std::string; using std::cout; using std::endl;
BinarySearchTree<string> myBST;
cout << "Beginning BinarySearchTree Tests..." << endl;
cout << "isEmpty() returns: " << myBST.isEmpty() << "; should be 1 (true)." << endl;
cout << "Adding item to tree..." << endl;
std::string myString = "A"; myBST.add(myString);
cout << "isEmpty() returns: " << myBST.isEmpty() << "; should be 0 (false)." << endl;
cout << "getHeight() returns: " << myBST.getHeight() << "; should be 1." << endl;
cout << "Adding three more items to the tree..." << endl;
std::string myNextString[] = { "B", "C", "D", "E" };
for (int i = 0; i < 4; i++)
{
myBST.add(myNextString[i]);
}
cout << "inOrder Traversal of tree yields: "; myBST.inorderTraverse(display);
cout << "; should be A, B, C, D, E" << endl;
cout << "preOrder Traversal of tree yields: "; myBST.preorderTraverse(display);
cout << "; should be A, B, C, D, E" << endl;
cout << "postOrder Traversal of tree yields: "; myBST.postorderTraverse(display);
cout << "; should be E, D, C, B, A" << endl;
cout << "getMaxValue() returns: " << myBST.getMaxValue() << "; should be \"E\"" << endl;
cout << "getMinValue() returns: " << myBST.getMinValue() << "; should be \"A\"" << endl;
// checking if the tree is a bst
cout << "isBST() returns: " << myBST.isBST() << "; should be 1 (true)." << endl;
cout << "Removing item \"C\" from the tree." << endl; myBST.remove("C");
cout << "inOrder Traversal of tree yields: "; myBST.inorderTraverse(display);
cout << "; should be A, B, D, E" << endl;
cout << "isBST() returns: " << myBST.isBST() << "; should be 1 (true)." << endl;
BinarySearchTree<string> myBST2;
}
void TestBinaryTreeIsBalanced() {
BinarySearchTree<BSTNode1<int>, int> b;
b.add(4);
b.add(2);
b.add(5);
b.add(1);
b.add(3);
b.add(6);
assert(b.isBalanced());
}
int main(int argc, char** argv) {
BinarySearchTree<int, int> intTree;
intTree.add(40);
intTree.add(5);
intTree.add(10);
intTree.add(30);
intTree.add(20);
intTree.add(35);
intTree.add(25);
intTree.add(15);
cout << intTree.getHeight() << endl;
cout << intTree.getNumberOfNodes() << endl;
int item;
cout << "Inorder\n";
intTree.inorderTraverse(print);
cout << "Get entry for 5 " << intTree.getEntry(5) << endl;
cout << "Get entry for 25 " << intTree.getEntry(25) << endl;
try {
cout << "Get entry for 65 " << intTree.getEntry(65) << endl;
} catch(NotFoundException e) {
cout << "Error " << e.what() << endl;
}
cout << "Does it contain 5 " << intTree.contains(5) << endl;
cout << "Does it contain 25 " << intTree.contains(25) << endl;
cout << "Does it contain 65 " << intTree.contains(65) << endl;
try {
intTree.remove(45);
} catch(NotFoundException e) {
cout << "Error " << e.what() << endl;
}
intTree.inorderTraverse(print);
cout << endl;
intTree.remove(30);
intTree.inorderTraverse(print);
cout << endl;
intTree.remove(5);
intTree.inorderTraverse(print);
cout << endl;
intTree.remove(15);
intTree.inorderTraverse(print);
cout << endl;
cout << intTree.getHeight() << endl;
cout << intTree.getNumberOfNodes() << endl;
}
bool TestPartTwo() {
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(50);
tree.add(25);
tree.add(75);
bool isTrue = tree.isBalanced();
tree.add(10);
tree.add(4);
tree.add(1);
bool isFalse = tree.isBalanced();
return isTrue && !isFalse;
}
void testBst(){
BinarySearchTree<int> *bst = new BinarySearchTree<int>();
bst->add(8);
bst->add(3);
bst->add(10);
bst->add(1);
bst->add(6);
bst->add(14);
bst->add(13);
bst->add(4);
bst->add(7);
bst->print();
cout << bst->search(6) << endl;
cout << bst->search(1337) << endl;
cout << "Is BST? : " << bst->isBST(1, 14) << endl;
}
void TestBinarySearchTreeGetLE() {
BinarySearchTree<BSTNode1<int>, int> b;
b.add(4);
b.add(2);
b.add(5);
b.add(1);
b.add(3);
b.add(6);
DLList<int> l = b.getLE(3);
assert(l.contains(1));
assert(l.contains(2));
assert(l.contains(3));
assert(!l.contains(4));
assert(!l.contains(5));
assert(!l.contains(6));
}
void TestBinarySearchTreePostOrder() {
BinarySearchTree<BSTNode1<int>, int> b;
b.add(4);
b.add(2);
b.add(5);
b.add(1);
b.add(3);
b.add(6);
b.postOrderNumbers();
assert(b.getNode(1)->post_order_ == 0);
assert(b.getNode(3)->post_order_ == 1);
assert(b.getNode(2)->post_order_ == 2);
assert(b.getNode(6)->post_order_ == 3);
assert(b.getNode(5)->post_order_ == 4);
assert(b.getNode(4)->post_order_ == 5);
}
BinarySearchTree<BSTNode1<int>, int> treeMaker(int i){
BinarySearchTree<BSTNode1<int>, int> tree;
if(i == 1){
tree.add(10);
tree.add(5);
tree.add(15);
tree.add(3);
tree.add(0);
tree.add(2);
}else{
tree.add(20);
tree.add(10);
tree.add(30);
tree.add(5);
tree.add(15);
tree.add(25);
tree.add(35);
}
return tree;
}
void TestBinaryTreeHeight2() {
BinarySearchTree<BSTNode1<int>, int> b;
int test = 0;
for (int i = 0; i < 10000; i++) {
test = rand() % 100000;
b.add(test);
}
assert(b.height() - b.depth(b.getNode(test)) == b.height2(b.getNode(test)));
assert(b.height2(b.getRoot()) == b.height());
}
bool TestPartThree() {
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(10);
tree.add(14);
tree.add(17);
tree.add(20);
tree.add(16);
tree.add(19);
tree.add(26);
tree.add(7);
tree.add(9);
tree.add(5);
tree.preOrderNumber();
tree.inOrderNumber();
tree.postOrderNumbers();
bool testPreOrder, testInOrder, testPostOrder;
if ((tree.getNode(15)->pre_order == 1) && (tree.getNode(5)->pre_order == 4)
&& (tree.getNode(26)->pre_order == 11))
testPreOrder = true;
if ((tree.getNode(15)->in_order == 6) && (tree.getNode(5)->in_order == 1)
&& (tree.getNode(26)->in_order == 11))
testInOrder = true;
if ((tree.getNode(15)->pst_order == 11) && (tree.getNode(5)->pst_order == 1)
&& (tree.getNode(26)->pst_order == 8))
testPostOrder = true;
return testPreOrder && testInOrder && testPostOrder;
}
void testPart1() {
cout << "Part 1" << endl;
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(5);
tree.add(16);
tree.add(3);
tree.add(12);
tree.add(10);
tree.add(13);
tree.add(6);
tree.add(7);
tree.add(20);
tree.add(18);
tree.add(23);
cout << "height of node: " << tree.height2(tree.getNode(5)) << endl;
cout << "height of tree: " << tree.height() << endl;
cout << endl;
}
int main()
{
BinarySearchTree<Interval> tree;
tree.add(Interval(1, 3)).add(Interval(6, 10)).add(Interval(4, 6))
.add(Interval(10, 20)).add(Interval(6, 9)).add(Interval(1, 2));
Interval span(MAX_DOUBLE, MIN_DOUBLE);
for(Interval interval : tree)
{
span.start = min(span.start, interval.start);
span.end = max(span.end, interval.end);
}
cout << span << endl;
return 0;
}
bool readInput(ifstream& inputFile, const string& filename, vector<soundtrack>& cdVector, BinarySearchTree<ItemType>& BST)
{
inputFile.open(filename);
if (inputFile.fail())
return false;
else
{
while (!inputFile.eof())
{
soundtrack* cd = new soundtrack;
inputFile >> *cd;
cdVector.push_back(*cd);
BST.add(cd->getDateReleased());
delete cd;
cd = nullptr;
}
inputFile.close();
}
return true;
} // end readInput
int main() {
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(10);
tree.add(14);
tree.add(17);
tree.add(20);
tree.add(16);
tree.add(19);
tree.add(26);
tree.add(7);
tree.add(9);
tree.add(5);
return 0;
}
bool TestPartOne() {
srand(time(0));
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(10);
tree.add(14);
tree.add(17);
tree.add(20);
tree.add(16);
tree.add(19);
tree.add(26);
tree.add(7);
tree.add(9);
tree.add(5);
return (tree.height() == tree.Height2()) ? true : false;
}
void testPart4() {
cout << "Part 4" << endl;
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(5);
tree.add(3);
tree.add(12);
tree.add(10);
tree.add(6);
tree.add(7);
tree.add(13);
tree.add(16);
tree.add(20);
tree.add(18);
tree.add(23);
cout << "Test 1:" << endl;
DLList<int> treeTester1 = tree.getLE(5);
cout << "Test 2:" << endl;
DLList<int> treeTester2 = tree.getLE(12);
cout << "Test 3:" << endl;
DLList<int> treeTester3 = tree.getLE(18);
cout << "Test 4:" << endl;
DLList<int> treeTester4 = tree.getLE(23);
cout << "Test 5:" << endl;
DLList<int> treeTester5 = tree.getLE(50);
BinarySearchTree<BSTNode1<int>, int> tree2;
tree2.add(10);
tree2.add(5);
tree2.add(3);
tree2.add(7);
tree2.add(20);
tree2.add(15);
tree2.add(22);
cout << "Test 6:" << endl;
DLList<int> tree2Tester = tree2.getLE(20);
}
bool TestPartFour() {
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(10);
tree.add(14);
tree.add(17);
tree.add(20);
tree.add(16);
tree.add(19);
tree.add(26);
tree.add(7);
tree.add(9);
tree.add(5);
DLList<int> list1 = tree.getLE(17);
DLList<int> list2 = tree.getLE(9);
return ((list1.size() == 8 && list2.size() == 3)) ? true : false;
}
void testPart3() {
cout << "Part 3" << endl;
BinarySearchTree<BSTNode1<int>, int> tree;
tree.add(15);
tree.add(5);
tree.add(3);
tree.add(12);
tree.add(10);
tree.add(6);
tree.add(7);
tree.add(13);
tree.add(16);
tree.add(20);
tree.add(18);
tree.add(23);
cout << "pre order: " << endl;
tree.preOrderNumber();
cout << endl;
cout << "in order: " << endl;
tree.inOrderNumber();
cout << "post order: " << endl;
tree.postOrderNumber();
}
int main () {
vector<string> temp;
BinarySearchTree<string>* treePtr = new BinarySearchTree<string>();
string usr_input, input = "f,c,h,a,d,g,j";
parse(input, temp, del);
int tSize = tokenSize(input, del);
cout << "Display the binary search tree as it is being built:\n ";
for(int i =0; i<tSize; i++) {
treePtr->add(temp[i]);
cout << temp[i] << ( ( i < (tSize - 1) ) ? "," : "\n" );
}
treePtr->drawBinarySearchTree();
menu();
while (true) {
cout << "\nTrace(" << ( (trace == 0) ? "OFF" : "ON" ) << ") -->YOUR CHOICE-> ";
getline(cin,usr_input);
if (usr_input.length() > 1) cout << "\nSingle Character ONLY! " << endl;
else {
char in = tolower(usr_input[0]);
if (in == 'p') treePtr->drawBinarySearchTree();
else if (in == 'e') cout << "Binary search tree is: " << (treePtr->isEmpty() ? "EMPTY\n": "NOT EMPTY\n");
else if (in == 'h') cout << "Height: " << treePtr->getHeight() << endl;
else if (in == 'n') cout << "Number of Nodes: " << treePtr->getNumberOfNodes() << endl;
else if (in == 'i') {
cout << "Enter token: ";
getline(cin, input);
treePtr->add(input);
tSize++;
cout << endl << input << " is inserted to the binary search tree.\n";
}
else if (in == 'b') {
treePtr->clear();
temp.clear();
cout << "---- Enter a (\'" << del << "\' separated) string -> ";
getline(cin, input);
parse(input, temp, del);
tSize = tokenSize(input,del);
for (int i = 0; i< tSize; i++) {
treePtr->add(temp[i]);
if (trace == 1) treePtr->drawBinarySearchTree();
}
}
else if (in == 's') {
treePtr->clear();
temp.clear();
cout << "---- Enter a (\'" << del << "\' separated) string -> ";
getline(cin, input);
parse(input, temp, del);
tSize = tokenSize(input,del);
sort(temp.begin(), temp.end());sort(temp.begin(), temp.end());
treePtr->sortedArray2BST(temp, 0, tSize-1);
}
else if (in == 'r') {
cout << "Enter token: ";
getline(cin, input);
treePtr->remove(input);
}
else if (in == 't') trace = (trace + 1) % 2;
else if (in == 'm') menu();
else if (in == 'c') {
treePtr->clear();
tSize = 0;
}
else if (in == 'q') exit(0);
else cout << "Invalid Input ! " << endl;
}
}
}
//-----------------------------END of BinarySearchTree Class---------------------------------//
// START of Main-----
int main(int argc, const char * argv[]) {
BSTNode n1 (137);
BSTNode n2 (122);
// n1.setLeft (&n2);
BSTNode n3 (116);
// n2.setLeft (&n3);
BSTNode n4 (120);
// n3.setRight (&n4);
// n1.print ();
// cout << endl;
// n2.print ();
// cout << endl;
// n3.print ();
// cout << endl;
// n4.print ();
// cout << endl;
int arr[1000];
arr[1000] = *storeRandomNumbersInArray(arr);
// int numberToSeed = 0;
// cout<<"Enter random number to seed:\n";
// cin>>numberToSeed;
BinarySearchTree tree;
//add array of random numbers to Binary Search Tree.
for (int i = 0; i<1000; i++) {
tree.add (arr[i]);
}
cout<<"i BFS DFS\n";
for (int i = 1; i <= 10; i++) {
int travCount = tree.breadthFirstTraversal (i*100);
cout<<i<<" "<<travCount<<endl;
}
// cout<<"Traversal Count:"<<tree.breadthFirstTraversal (759)<<endl;
return 0;
/*
//Working on UnorderedLinkedList & Stack and Queues.
BSTNode *ptr = &n1;
UnorderedLinkedList l1;
l1.addAtHead (&n1);
l1.print ();
l1.addAtTail(&n2);
l1.print ();
l1.addAtTail(&n3);
l1.print ();
l1.addAtHead(&n4);
l1.print ();
cout<<endl;
l1.removeFromHead(ptr);
l1.print ();
*/
return 0;
}//end main
#include "catch.hpp"
#include "../DataStructs/BinarySearchTree.h"
using namespace std;
using namespace dw;
BinarySearchTree<int> emptyTree;
BinarySearchTree<int> intTree;
BinarySearchTree<string> stringTree;
TEST_CASE("Add item test.", "[BST]")
{
bool isAdded = intTree.add(20);
REQUIRE(isAdded == true);
isAdded = intTree.add(30);
REQUIRE(isAdded == true);
isAdded = intTree.add(40);
REQUIRE(isAdded == true);
isAdded = intTree.add(15);
REQUIRE(isAdded == true);
isAdded = intTree.add(35);
REQUIRE(isAdded == true);
isAdded = intTree.add(25);
REQUIRE(isAdded == true);
isAdded = intTree.add(5);
REQUIRE(isAdded == true);
isAdded = intTree.add(2);
REQUIRE(isAdded == true);
isAdded = intTree.add(7);
REQUIRE(isAdded == true);
isAdded = intTree.add(17);
REQUIRE(isAdded == true);
int main() {
BinarySearchTree<BSTNode1<int>, int>* tree = new BinarySearchTree<BSTNode1<int>, int>();
tree->add(10);
tree->add(12);
tree->add(3);
tree->add(9);
tree->add(7);
tree->add(2);
tree->add(43);
tree->add(4);
tree->add(29);
tree->add(37);
testPart1(tree);
cout << endl;
BinarySearchTree<BSTNode1<int>, int>* tree2 = new BinarySearchTree<BSTNode1<int>, int>();
tree2->add(5);
tree2->add(4);
tree2->add(6);
tree2->add(10);
tree2->add(11);
testPart2(tree2);
cout << endl;
BinarySearchTree<BSTNode1<int>, int>* tree3 = new BinarySearchTree<BSTNode1<int>, int>();
tree3->add(5);
tree3->add(4);
tree3->add(6);
testPart2(tree2);
cout << endl;
BinarySearchTree<BSTNode1<int>, int>* tree4 = new BinarySearchTree<BSTNode1<int>, int>();
tree4->add(5);
tree4->add(12);
tree4->add(3);
tree4->add(4);
tree4->add(9);
tree4->add(7);
tree4->add(2);
tree4->add(13);
testPart3(tree4);
cout << endl;
BinarySearchTree<BSTNode1<int>, int>* tree5 = new BinarySearchTree<BSTNode1<int>, int>();
tree5->add(10);
tree5->add(11);
tree5->add(13);
tree5->add(9);
tree5->add(6);
tree5->add(2);
tree5->add(3);
testPart4(tree5);
delete tree;
delete tree2;
delete tree3;
delete tree5;
delete tree4;
return 0;
}
int main()
{
BinarySearchTree bst;
bstNode* t = bst.Root();
hcnode *h = NULL;
hcnode a, b, c;
int g=0;
int t1=1;
cout<<"enter '.' "<<"to end input"<<endl;
while(t1)
{ //loop for input values
cout<<"Enter char: ";
cin>>a.c;
if(a.c=='.')
break;
cout<<"Enter freq: ";
cin>>a.freq;
a.left = NULL;
a.right = NULL;
bst.add(t,a);
g++;
}
if(g==1) //if only one node is entered there is no traversal as why a code there is only one char;
{
cout<<"only one element "<<endl;
exit(1);
}
while(!bst.check(t)) //check upon number of nodes and finally only one bstnode remains with the hcnode with all data
{
a = bst.minimum(t); //gets first minimum hcnode from bst
bst.del(t,a); //deletes the mininmum node from bst as it is already accessed
b = bst.minimum(t); //next min node
bst.del(t,b); //del last node ie it is in hcnode b
c = bst.minimum(t); //next min node
bst.del(t,c); //del last node ie it is in hcnode c
add(h,a,b,c); //adds the three nodes ie create a combined node
bst.add(t,*h); //adds combined node to bst
}
int count=0;
inorderc(t,count); //if count is two add function has only two hcnodes
if(count==2)
{
if(t->lchild!=NULL)
{
add(h,t->data,t->lchild->data); //h=node;a=node with max freq;b=node with less freq(h,a,b)
}
if(t->rchild!=NULL)
{
add(h,t->rchild->data,t->data);
}
}
hcnode*f=h;
cout<<endl<<"printing level order "<<endl;
levelorder(h);
cout<<endl;
string s;
cout<<endl<<"Enter string: ";
cin>>s;
for(int i=0;i<s.length();i++)
{
if(s[i]=='1')
{
f = f->mid;
}
else if(s[i]=='0')
{
f = f->left;
}
else
{
f=f->right;
}
if(f->left==NULL && f->right==NULL&&f->mid==NULL)
{
cout<<f->c;
f = h;
}
}
return 0;
}
