dsaedge


Namedsaedge JSON
Version 0.4.0 PyPI version JSON
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home_pagehttps://github.com/thiyagarajan2002/dsaedge
SummaryA comprehensive Python package for various data structures and algorithms implementations.
upload_time2025-07-08 10:44:12
maintainerNone
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authorThiyagarajan
requires_python>=3.9
licenseNone
keywords data structures algorithms python linked list tree graph sort search dynamic programming backtracking
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            # dsaedge: Data Structures and Algorithms in Python

A comprehensive collection of various data structures and algorithms implemented in Python.

## Installation

You can install this package using pip:

```bash
pip install dsaedge
```

## Usage

Here are some examples of how to use the implemented data structures and algorithms:

### Advanced Data Structures

```python
# Disjoint Set Union (DSU)
from dsaedge.advanced_data_structures.disjoint_set_union import DSU

dsu = DSU()
dsu.make_set(1)
dsu.make_set(2)
dsu.make_set(3)
dsu.union(1, 2)
print(f"DSU - Find(1): {dsu.find(1)}")
print(f"DSU - Find(2): {dsu.find(2)}")
print(f"DSU - Are 1 and 3 in the same set? {dsu.find(1) == dsu.find(3)}")

# Fenwick Tree (Binary Indexed Tree)
from dsaedge.advanced_data_structures.fenwick_tree import FenwickTree

ft = FenwickTree(10)
ft.update(0, 5)  # Add 5 to index 0
ft.update(4, 3)  # Add 3 to index 4
print(f"Fenwick Tree - Sum up to index 0: {ft.query(0)}")
print(f"Fenwick Tree - Sum up to index 4: {ft.query(4)}")
print(f"Fenwick Tree - Sum in range [0, 4]: {ft.range_query(0, 4)}")

# Segment Tree
from dsaedge.advanced_data_structures.segment_tree import SegmentTree

arr_seg = [1, 3, 5, 7, 9, 11]
st = SegmentTree(arr_seg)
print(f"Segment Tree - Sum of range [1, 4]: {st.query(1, 4)}")
st.update(2, 10)  # Update index 2 to 10
print(f"Segment Tree - Sum of range [1, 4] after update: {st.query(1, 4)}")

# Trie (Prefix Tree)
from dsaedge.advanced_data_structures.trie import Trie

trie = Trie()
trie.insert("apple")
trie.insert("apricot")
print(f"Trie - Search 'apple': {trie.search('apple')}")
print(f"Trie - Search 'app': {trie.search('app')}")
print(f"Trie - Starts with 'app': {trie.starts_with('app')}")
print(f"Trie - Starts with 'ban': {trie.starts_with('ban')}")
```

### Algorithmic Paradigms

```python
# Knuth-Morris-Pratt (KMP) string searching
from dsaedge.algorithmic_paradigms.kmp_search import kmp_search

text = "ABABDABACDABABCABAB"
pattern = "ABABCABAB"
occurrences = kmp_search(text, pattern)
print(f"KMP Search - Pattern found at indices: {occurrences}")

# 0/1 Knapsack Problem
from dsaedge.algorithmic_paradigms.knapsack_problem import knapsack_01

weights = [1, 2, 3, 8, 7]
values = [20, 5, 10, 40, 15]
capacity = 10
max_value = knapsack_01(weights, values, capacity)
print(f"Knapsack Problem - Maximum value: {max_value}")

# Longest Common Subsequence (LCS)
from dsaedge.algorithmic_paradigms.longest_common_subsequence import longest_common_subsequence, reconstruct_lcs

s1 = "AGGTAB"
s2 = "GXTXAYB"
lcs_length = longest_common_subsequence(s1, s2)
lcs_string = reconstruct_lcs(s1, s2)
print(f"LCS - Length: {lcs_length}, Subsequence: {lcs_string}")

# N-Queens Problem
from dsaedge.algorithmic_paradigms.n_queens import solve_n_queens

n_queens_solutions = solve_n_queens(4)
print(f"N-Queens Problem - Solutions for N=4: {len(n_queens_solutions)}")
for sol in n_queens_solutions:
    for row in sol:
        print(row)
    print()

# Sudoku Solver
from dsaedge.algorithmic_paradigms.sudoku_solver import solve_sudoku, print_board

sudoku_board = [
    [5,3,0,0,7,0,0,0,0],
    [6,0,0,1,9,5,0,0,0],
    [0,9,8,0,0,0,0,6,0],
    [8,0,0,0,6,0,0,0,3],
    [4,0,0,8,0,3,0,0,1],
    [7,0,0,0,2,0,0,0,6],
    [0,6,0,0,0,0,2,8,0],
    [0,0,0,4,1,9,0,0,5],
    [0,0,0,0,8,0,0,7,9]
]
print("Sudoku Solver - Original Board:")
print_board(sudoku_board)
if solve_sudoku(sudoku_board):
    print("
Sudoku Solver - Solved Board:")
    print_board(sudoku_board)
else:
    print("
Sudoku Solver - No solution exists.")
```

### Graphs

```python
# Bellman-Ford Algorithm
from dsaedge.graphs.bellman_ford import Graph as BellmanFordGraph, bellman_ford

g_bf = BellmanFordGraph(5)
g_bf.add_edge(0, 1, -1)
g_bf.add_edge(0, 2, 4)
g_bf.add_edge(1, 2, 3)
g_bf.add_edge(1, 3, 2)
g_bf.add_edge(1, 4, 2)
g_bf.add_edge(3, 2, 5)
g_bf.add_edge(3, 1, 1)
g_bf.add_edge(4, 3, -3)

distances_bf, predecessors_bf, has_negative_cycle = bellman_ford(g_bf, 0)
print(f"Bellman-Ford - Distances from source 0: {distances_bf}")
print(f"Bellman-Ford - Has negative cycle: {has_negative_cycle}")

# Floyd-Warshall Algorithm
from dsaedge.graphs.floyd_warshall import floyd_warshall

INF = float('inf')
graph_fw = [
    [0, 5, INF, 10],
    [INF, 0, 3, INF],
    [INF, INF, 0, 1],
    [INF, INF, INF, 0]
]
distances_fw = floyd_warshall(graph_fw)
print(f"Floyd-Warshall - All-pairs shortest paths: {distances_fw}")

# Graph Representation (Adjacency List) and Algorithms (BFS, DFS, Dijkstra, Prim)
from dsaedge.graphs.graph_representation import Graph as AdjListGraph

g_adj = AdjListGraph()
g_adj.add_edge('A', 'B', 1)
g_adj.add_edge('A', 'C', 4)
g_adj.add_edge('B', 'C', 2)
g_adj.add_edge('B', 'D', 5)
g_adj.add_edge('C', 'D', 1)

print(f"Graph Representation - BFS from A: {g_adj.bfs('A')}")
print(f"Graph Representation - DFS from A: {g_adj.dfs('A')}")

distances_dijkstra, _ = g_adj.dijkstra('A')
print(f"Graph Representation - Dijkstra distances from A: {distances_dijkstra}")

mst_cost, mst_edges = g_adj.prims_algorithm('A')
print(f"Graph Representation - Prim's MST cost: {mst_cost}, Edges: {mst_edges}")

# Kruskal's Algorithm
from dsaedge.graphs.kruskal_algorithm import kruskal_algorithm

vertices_kruskal = ['A', 'B', 'C', 'D', 'E']
edges_kruskal = [
    (1, 'A', 'B'), (4, 'A', 'C'), (2, 'B', 'C'),
    (5, 'B', 'D'), (1, 'C', 'D'), (3, 'D', 'E')
]
mst_cost_kruskal, mst_edges_kruskal = kruskal_algorithm(vertices_kruskal, edges_kruskal)
print(f"Kruskal's Algorithm - MST cost: {mst_cost_kruskal}, Edges: {mst_edges_kruskal}")

# Topological Sort
from dsaedge.graphs.topological_sort import Graph as TopologicalGraph, topological_sort

g_ts = TopologicalGraph(6)
g_ts.add_edge(5, 2)
g_ts.add_edge(5, 0)
g_ts.add_edge(4, 0)
g_ts.add_edge(4, 1)
g_ts.add_edge(2, 3)
g_ts.add_edge(3, 1)

top_order = topological_sort(g_ts)
print(f"Topological Sort - Order: {top_order}")
```

### Hash Tables

```python
# Hash Table
from dsaedge.hash_tables.hash_table import HashTable

ht = HashTable()
ht.set("name", "Alice")
ht.set("age", 30)
ht["city"] = "New York" # Using dictionary-style assignment

print(f"Hash Table - Name: {ht.get('name')}")
print(f"Hash Table - City: {ht['city']}")

try:
    print(f"Hash Table - Occupation: {ht.get('occupation')}")
except KeyError as e:
    print(f"Hash Table - Error: {e}")

del ht["age"] # Using dictionary-style deletion
print(f"Hash Table - After deleting age: {ht}")
```

### Heaps

```python
# Min-Heap
from dsaedge.heaps.min_heap import MinHeap

min_heap = MinHeap()
min_heap.insert(3)
min_heap.insert(1)
min_heap.insert(4)
min_heap.insert(1)
min_heap.insert(5)

print(f"Min-Heap - Min element: {min_heap.get_min()}")
print(f"Min-Heap - Extracted min: {min_heap.extract_min()}")
print(f"Min-Heap - New min element: {min_heap.get_min()}")
print(f"Min-Heap - Is empty: {min_heap.is_empty()}")
print(f"Min-Heap - Size: {min_heap.size()}")
```

### Linked Lists

```python
# Circular Singly Linked List
from dsaedge.linked_lists.circular_singly_linked_list import CircularSinglyLinkedList

csll = CircularSinglyLinkedList()
csll.append(1)
csll.append(2)
csll.prepend(0)
print(f"Circular Singly Linked List: {csll}")
csll.delete(1)
print(f"Circular Singly Linked List after deleting 1: {csll}")
print(f"Circular Singly Linked List - Search 0: {csll.search(0).data if csll.search(0) else None}")

# Doubly Linked List
from dsaedge.linked_lists.doubly_linked_list import DoublyLinkedList

dll = DoublyLinkedList()
dll.append(1)
dll.prepend(0)
dll.insert_at_position(2, 2)
print(f"Doubly Linked List: {dll}")
dll.delete(1)
print(f"Doubly Linked List after deleting 1: {dll}")
print(f"Doubly Linked List (reverse): {dll.print_reverse()}")

# Singly Linked List
from dsaedge.linked_lists.singly_linked_list import LinkedList

sll = LinkedList()
sll.append(10)
sll.prepend(5)
sll.insert_at_position(7, 1)
print(f"Singly Linked List: {sll}")
sll.delete(7)
print(f"Singly Linked List after deleting 7: {sll}")
print(f"Singly Linked List - Length: {len(sll)}")
```

### Searching

```python
# Searching Algorithms
from dsaedge.searching.searching_algorithms import linear_search, binary_search, binary_search_recursive

arr_search = [1, 5, 2, 8, 3, 9, 4]
target_linear = 8
print(f"Linear Search - Index of {target_linear}: {linear_search(arr_search, target_linear)}")

arr_sorted = [1, 2, 3, 4, 5, 8, 9]
target_binary = 4
print(f"Binary Search (Iterative) - Index of {target_binary}: {binary_search(arr_sorted, target_binary)}")
print(f"Binary Search (Recursive) - Index of {target_binary}: {binary_search_recursive(arr_sorted, 0, len(arr_sorted) - 1, target_binary)}")
```

### Sorting

```python
# Sorting Algorithms
from dsaedge.sorting.bubble_sort import bubble_sort
from dsaedge.sorting.heap_sort import heap_sort
from dsaedge.sorting.insertion_sort import insertion_sort
from dsaedge.sorting.merge_sort import merge_sort
from dsaedge.sorting.quick_sort import quick_sort
from dsaedge.sorting.selection_sort import selection_sort

arr_sort = [64, 34, 25, 12, 22, 11, 90]

print(f"Bubble Sort: {bubble_sort(arr_sort[:])}")
print(f"Heap Sort: {heap_sort(arr_sort[:])}")
print(f"Insertion Sort: {insertion_sort(arr_sort[:])}")
print(f"Merge Sort: {merge_sort(arr_sort[:])}")
print(f"Quick Sort: {quick_sort(arr_sort[:])}")
print(f"Selection Sort: {selection_sort(arr_sort[:])}")
```

### Trees

```python
# AVL Tree
from dsaedge.trees.avl_tree import AVLTree

avl = AVLTree()
avl.insert(10)
avl.insert(20)
avl.insert(30)
avl.insert(40)
avl.insert(50)
avl.insert(25)
print(f"AVL Tree - In-order traversal: {avl.in_order_traversal()}")
avl.delete(30)
print(f"AVL Tree - In-order traversal after deleting 30: {avl.in_order_traversal()}")

# Binary Search Tree (BST)
from dsaedge.trees.binary_search_tree import BinarySearchTree

bst = BinarySearchTree()
bst.insert(50)
bst.insert(30)
bst.insert(70)
bst.insert(20)
bst.insert(40)
bst.insert(60)
bst.insert(80)
print(f"BST - Search 40: {bst.search(40).data if bst.search(40) else None}")
bst.delete(30)
print(f"BST - In-order traversal after deleting 30: {bst.in_order_traversal()}")

# Binary Tree
from dsaedge.trees.binary_tree import BinaryTree, Node

bt = BinaryTree(1)
bt.root.left = Node(2)
bt.root.right = Node(3)
bt.root.left.left = Node(4)
bt.root.left.right = Node(5)

print(f"Binary Tree - Pre-order traversal: {bt.pre_order_traversal()}")
print(f"Binary Tree - In-order traversal: {bt.in_order_traversal()}")
print(f"Binary Tree - Post-order traversal: {bt.post_order_traversal()}")
print(f"Binary Tree - Level-order traversal: {bt.level_order_traversal()}")
```

## Implemented Data Structures and Algorithms

The `dsaedge` package is organized into several modules, each focusing on a specific category of data structures or algorithms.

### Data Structures

*   **`advanced_data_structures`**
    *   `disjoint_set_union.py`: Disjoint Set Union (DSU) with `make_set`, `find`, and `union` operations.
    *   `fenwick_tree.py`: Fenwick Tree (Binary Indexed Tree) with `update`, `query`, and `range_query` operations.
    *   `segment_tree.py`: Segment Tree with `build`, `query`, and `update` operations.
    *   `trie.py`: Trie (Prefix Tree) with `insert`, `search`, and `starts_with` operations.
*   **`hash_tables`**
    *   `hash_table.py`: Hash Table with chaining, supporting `set`, `get`, and `delete` operations.
*   **`heaps`**
    *   `min_heap.py`: Min-Heap with `insert`, `extract_min`, `get_min`, `is_empty`, and `size` operations.
*   **`linked_lists`**
    *   `circular_singly_linked_list.py`: Circular Singly Linked List with `append`, `prepend`, `delete`, `search`, `is_empty`, `__len__`, and `__str__` operations.
    *   `doubly_linked_list.py`: Doubly Linked List with `append`, `prepend`, `insert_at_position`, `delete`, `search`, `is_empty`, `__len__`, `__str__`, and `print_reverse` operations.
    *   `singly_linked_list.py`: Singly Linked List with `append`, `prepend`, `insert_at_position`, `delete`, `search`, `is_empty`, `__len__`, and `__str__` operations.
*   **`trees`**
    *   `avl_tree.py`: AVL Tree with `insert`, `delete`, and `in_order_traversal` operations.
    *   `binary_search_tree.py`: Binary Search Tree (BST) with `insert`, `search`, `delete`, and `in_order_traversal` operations.
    *   `binary_tree.py`: Generic Binary Tree with `pre_order_traversal`, `in_order_traversal`, `post_order_traversal`, and `level_order_traversal` operations.

### Algorithms

*   **`algorithmic_paradigms`**
    *   `kmp_search.py`: Knuth-Morris-Pratt (KMP) string searching algorithm.
    *   `knapsack_problem.py`: 0/1 Knapsack problem solver using dynamic programming.
    *   `longest_common_subsequence.py`: Longest Common Subsequence (LCS) length and reconstruction using dynamic programming.
    *   `n_queens.py`: N-Queens Problem solver using backtracking.
    *   `sudoku_solver.py`: Sudoku Solver using backtracking.
*   **`graphs`**
    *   `bellman_ford.py`: Bellman-Ford algorithm for shortest paths and negative cycle detection.
    *   `floyd_warshall.py`: Floyd-Warshall algorithm for all-pairs shortest paths.
    *   `graph_representation.py`: Graph Representation (Adjacency List) with BFS, DFS, Dijkstra's, and Prim's algorithms.
    *   `kruskal_algorithm.py`: Kruskal's algorithm for Minimum Spanning Tree (MST).
    *   `topological_sort.py`: Topological Sort using Kahn's algorithm.
*   **`searching`**
    *   `searching_algorithms.py`: Linear Search, Binary Search (iterative and recursive).
*   **`sorting`**
    *   `bubble_sort.py`: Bubble Sort.
    *   `heap_sort.py`: Heap Sort.
    *   `insertion_sort.py`: Insertion Sort.
    *   `merge_sort.py`: Merge Sort.
    *   `quick_sort.py`: Quick Sort.
    *   `selection_sort.py`: Selection Sort.

## Contributing

Contributions are welcome! Please feel free to open issues or submit pull requests.

## License

This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.

            

Raw data

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    "author": "Thiyagarajan",
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    "description": "# dsaedge: Data Structures and Algorithms in Python\n\nA comprehensive collection of various data structures and algorithms implemented in Python.\n\n## Installation\n\nYou can install this package using pip:\n\n```bash\npip install dsaedge\n```\n\n## Usage\n\nHere are some examples of how to use the implemented data structures and algorithms:\n\n### Advanced Data Structures\n\n```python\n# Disjoint Set Union (DSU)\nfrom dsaedge.advanced_data_structures.disjoint_set_union import DSU\n\ndsu = DSU()\ndsu.make_set(1)\ndsu.make_set(2)\ndsu.make_set(3)\ndsu.union(1, 2)\nprint(f\"DSU - Find(1): {dsu.find(1)}\")\nprint(f\"DSU - Find(2): {dsu.find(2)}\")\nprint(f\"DSU - Are 1 and 3 in the same set? {dsu.find(1) == dsu.find(3)}\")\n\n# Fenwick Tree (Binary Indexed Tree)\nfrom dsaedge.advanced_data_structures.fenwick_tree import FenwickTree\n\nft = FenwickTree(10)\nft.update(0, 5)  # Add 5 to index 0\nft.update(4, 3)  # Add 3 to index 4\nprint(f\"Fenwick Tree - Sum up to index 0: {ft.query(0)}\")\nprint(f\"Fenwick Tree - Sum up to index 4: {ft.query(4)}\")\nprint(f\"Fenwick Tree - Sum in range [0, 4]: {ft.range_query(0, 4)}\")\n\n# Segment Tree\nfrom dsaedge.advanced_data_structures.segment_tree import SegmentTree\n\narr_seg = [1, 3, 5, 7, 9, 11]\nst = SegmentTree(arr_seg)\nprint(f\"Segment Tree - Sum of range [1, 4]: {st.query(1, 4)}\")\nst.update(2, 10)  # Update index 2 to 10\nprint(f\"Segment Tree - Sum of range [1, 4] after update: {st.query(1, 4)}\")\n\n# Trie (Prefix Tree)\nfrom dsaedge.advanced_data_structures.trie import Trie\n\ntrie = Trie()\ntrie.insert(\"apple\")\ntrie.insert(\"apricot\")\nprint(f\"Trie - Search 'apple': {trie.search('apple')}\")\nprint(f\"Trie - Search 'app': {trie.search('app')}\")\nprint(f\"Trie - Starts with 'app': {trie.starts_with('app')}\")\nprint(f\"Trie - Starts with 'ban': {trie.starts_with('ban')}\")\n```\n\n### Algorithmic Paradigms\n\n```python\n# Knuth-Morris-Pratt (KMP) string searching\nfrom dsaedge.algorithmic_paradigms.kmp_search import kmp_search\n\ntext = \"ABABDABACDABABCABAB\"\npattern = \"ABABCABAB\"\noccurrences = kmp_search(text, pattern)\nprint(f\"KMP Search - Pattern found at indices: {occurrences}\")\n\n# 0/1 Knapsack Problem\nfrom dsaedge.algorithmic_paradigms.knapsack_problem import knapsack_01\n\nweights = [1, 2, 3, 8, 7]\nvalues = [20, 5, 10, 40, 15]\ncapacity = 10\nmax_value = knapsack_01(weights, values, capacity)\nprint(f\"Knapsack Problem - Maximum value: {max_value}\")\n\n# Longest Common Subsequence (LCS)\nfrom dsaedge.algorithmic_paradigms.longest_common_subsequence import longest_common_subsequence, reconstruct_lcs\n\ns1 = \"AGGTAB\"\ns2 = \"GXTXAYB\"\nlcs_length = longest_common_subsequence(s1, s2)\nlcs_string = reconstruct_lcs(s1, s2)\nprint(f\"LCS - Length: {lcs_length}, Subsequence: {lcs_string}\")\n\n# N-Queens Problem\nfrom dsaedge.algorithmic_paradigms.n_queens import solve_n_queens\n\nn_queens_solutions = solve_n_queens(4)\nprint(f\"N-Queens Problem - Solutions for N=4: {len(n_queens_solutions)}\")\nfor sol in n_queens_solutions:\n    for row in sol:\n        print(row)\n    print()\n\n# Sudoku Solver\nfrom dsaedge.algorithmic_paradigms.sudoku_solver import solve_sudoku, print_board\n\nsudoku_board = [\n    [5,3,0,0,7,0,0,0,0],\n    [6,0,0,1,9,5,0,0,0],\n    [0,9,8,0,0,0,0,6,0],\n    [8,0,0,0,6,0,0,0,3],\n    [4,0,0,8,0,3,0,0,1],\n    [7,0,0,0,2,0,0,0,6],\n    [0,6,0,0,0,0,2,8,0],\n    [0,0,0,4,1,9,0,0,5],\n    [0,0,0,0,8,0,0,7,9]\n]\nprint(\"Sudoku Solver - Original Board:\")\nprint_board(sudoku_board)\nif solve_sudoku(sudoku_board):\n    print(\"\nSudoku Solver - Solved Board:\")\n    print_board(sudoku_board)\nelse:\n    print(\"\nSudoku Solver - No solution exists.\")\n```\n\n### Graphs\n\n```python\n# Bellman-Ford Algorithm\nfrom dsaedge.graphs.bellman_ford import Graph as BellmanFordGraph, bellman_ford\n\ng_bf = BellmanFordGraph(5)\ng_bf.add_edge(0, 1, -1)\ng_bf.add_edge(0, 2, 4)\ng_bf.add_edge(1, 2, 3)\ng_bf.add_edge(1, 3, 2)\ng_bf.add_edge(1, 4, 2)\ng_bf.add_edge(3, 2, 5)\ng_bf.add_edge(3, 1, 1)\ng_bf.add_edge(4, 3, -3)\n\ndistances_bf, predecessors_bf, has_negative_cycle = bellman_ford(g_bf, 0)\nprint(f\"Bellman-Ford - Distances from source 0: {distances_bf}\")\nprint(f\"Bellman-Ford - Has negative cycle: {has_negative_cycle}\")\n\n# Floyd-Warshall Algorithm\nfrom dsaedge.graphs.floyd_warshall import floyd_warshall\n\nINF = float('inf')\ngraph_fw = [\n    [0, 5, INF, 10],\n    [INF, 0, 3, INF],\n    [INF, INF, 0, 1],\n    [INF, INF, INF, 0]\n]\ndistances_fw = floyd_warshall(graph_fw)\nprint(f\"Floyd-Warshall - All-pairs shortest paths: {distances_fw}\")\n\n# Graph Representation (Adjacency List) and Algorithms (BFS, DFS, Dijkstra, Prim)\nfrom dsaedge.graphs.graph_representation import Graph as AdjListGraph\n\ng_adj = AdjListGraph()\ng_adj.add_edge('A', 'B', 1)\ng_adj.add_edge('A', 'C', 4)\ng_adj.add_edge('B', 'C', 2)\ng_adj.add_edge('B', 'D', 5)\ng_adj.add_edge('C', 'D', 1)\n\nprint(f\"Graph Representation - BFS from A: {g_adj.bfs('A')}\")\nprint(f\"Graph Representation - DFS from A: {g_adj.dfs('A')}\")\n\ndistances_dijkstra, _ = g_adj.dijkstra('A')\nprint(f\"Graph Representation - Dijkstra distances from A: {distances_dijkstra}\")\n\nmst_cost, mst_edges = g_adj.prims_algorithm('A')\nprint(f\"Graph Representation - Prim's MST cost: {mst_cost}, Edges: {mst_edges}\")\n\n# Kruskal's Algorithm\nfrom dsaedge.graphs.kruskal_algorithm import kruskal_algorithm\n\nvertices_kruskal = ['A', 'B', 'C', 'D', 'E']\nedges_kruskal = [\n    (1, 'A', 'B'), (4, 'A', 'C'), (2, 'B', 'C'),\n    (5, 'B', 'D'), (1, 'C', 'D'), (3, 'D', 'E')\n]\nmst_cost_kruskal, mst_edges_kruskal = kruskal_algorithm(vertices_kruskal, edges_kruskal)\nprint(f\"Kruskal's Algorithm - MST cost: {mst_cost_kruskal}, Edges: {mst_edges_kruskal}\")\n\n# Topological Sort\nfrom dsaedge.graphs.topological_sort import Graph as TopologicalGraph, topological_sort\n\ng_ts = TopologicalGraph(6)\ng_ts.add_edge(5, 2)\ng_ts.add_edge(5, 0)\ng_ts.add_edge(4, 0)\ng_ts.add_edge(4, 1)\ng_ts.add_edge(2, 3)\ng_ts.add_edge(3, 1)\n\ntop_order = topological_sort(g_ts)\nprint(f\"Topological Sort - Order: {top_order}\")\n```\n\n### Hash Tables\n\n```python\n# Hash Table\nfrom dsaedge.hash_tables.hash_table import HashTable\n\nht = HashTable()\nht.set(\"name\", \"Alice\")\nht.set(\"age\", 30)\nht[\"city\"] = \"New York\" # Using dictionary-style assignment\n\nprint(f\"Hash Table - Name: {ht.get('name')}\")\nprint(f\"Hash Table - City: {ht['city']}\")\n\ntry:\n    print(f\"Hash Table - Occupation: {ht.get('occupation')}\")\nexcept KeyError as e:\n    print(f\"Hash Table - Error: {e}\")\n\ndel ht[\"age\"] # Using dictionary-style deletion\nprint(f\"Hash Table - After deleting age: {ht}\")\n```\n\n### Heaps\n\n```python\n# Min-Heap\nfrom dsaedge.heaps.min_heap import MinHeap\n\nmin_heap = MinHeap()\nmin_heap.insert(3)\nmin_heap.insert(1)\nmin_heap.insert(4)\nmin_heap.insert(1)\nmin_heap.insert(5)\n\nprint(f\"Min-Heap - Min element: {min_heap.get_min()}\")\nprint(f\"Min-Heap - Extracted min: {min_heap.extract_min()}\")\nprint(f\"Min-Heap - New min element: {min_heap.get_min()}\")\nprint(f\"Min-Heap - Is empty: {min_heap.is_empty()}\")\nprint(f\"Min-Heap - Size: {min_heap.size()}\")\n```\n\n### Linked Lists\n\n```python\n# Circular Singly Linked List\nfrom dsaedge.linked_lists.circular_singly_linked_list import CircularSinglyLinkedList\n\ncsll = CircularSinglyLinkedList()\ncsll.append(1)\ncsll.append(2)\ncsll.prepend(0)\nprint(f\"Circular Singly Linked List: {csll}\")\ncsll.delete(1)\nprint(f\"Circular Singly Linked List after deleting 1: {csll}\")\nprint(f\"Circular Singly Linked List - Search 0: {csll.search(0).data if csll.search(0) else None}\")\n\n# Doubly Linked List\nfrom dsaedge.linked_lists.doubly_linked_list import DoublyLinkedList\n\ndll = DoublyLinkedList()\ndll.append(1)\ndll.prepend(0)\ndll.insert_at_position(2, 2)\nprint(f\"Doubly Linked List: {dll}\")\ndll.delete(1)\nprint(f\"Doubly Linked List after deleting 1: {dll}\")\nprint(f\"Doubly Linked List (reverse): {dll.print_reverse()}\")\n\n# Singly Linked List\nfrom dsaedge.linked_lists.singly_linked_list import LinkedList\n\nsll = LinkedList()\nsll.append(10)\nsll.prepend(5)\nsll.insert_at_position(7, 1)\nprint(f\"Singly Linked List: {sll}\")\nsll.delete(7)\nprint(f\"Singly Linked List after deleting 7: {sll}\")\nprint(f\"Singly Linked List - Length: {len(sll)}\")\n```\n\n### Searching\n\n```python\n# Searching Algorithms\nfrom dsaedge.searching.searching_algorithms import linear_search, binary_search, binary_search_recursive\n\narr_search = [1, 5, 2, 8, 3, 9, 4]\ntarget_linear = 8\nprint(f\"Linear Search - Index of {target_linear}: {linear_search(arr_search, target_linear)}\")\n\narr_sorted = [1, 2, 3, 4, 5, 8, 9]\ntarget_binary = 4\nprint(f\"Binary Search (Iterative) - Index of {target_binary}: {binary_search(arr_sorted, target_binary)}\")\nprint(f\"Binary Search (Recursive) - Index of {target_binary}: {binary_search_recursive(arr_sorted, 0, len(arr_sorted) - 1, target_binary)}\")\n```\n\n### Sorting\n\n```python\n# Sorting Algorithms\nfrom dsaedge.sorting.bubble_sort import bubble_sort\nfrom dsaedge.sorting.heap_sort import heap_sort\nfrom dsaedge.sorting.insertion_sort import insertion_sort\nfrom dsaedge.sorting.merge_sort import merge_sort\nfrom dsaedge.sorting.quick_sort import quick_sort\nfrom dsaedge.sorting.selection_sort import selection_sort\n\narr_sort = [64, 34, 25, 12, 22, 11, 90]\n\nprint(f\"Bubble Sort: {bubble_sort(arr_sort[:])}\")\nprint(f\"Heap Sort: {heap_sort(arr_sort[:])}\")\nprint(f\"Insertion Sort: {insertion_sort(arr_sort[:])}\")\nprint(f\"Merge Sort: {merge_sort(arr_sort[:])}\")\nprint(f\"Quick Sort: {quick_sort(arr_sort[:])}\")\nprint(f\"Selection Sort: {selection_sort(arr_sort[:])}\")\n```\n\n### Trees\n\n```python\n# AVL Tree\nfrom dsaedge.trees.avl_tree import AVLTree\n\navl = AVLTree()\navl.insert(10)\navl.insert(20)\navl.insert(30)\navl.insert(40)\navl.insert(50)\navl.insert(25)\nprint(f\"AVL Tree - In-order traversal: {avl.in_order_traversal()}\")\navl.delete(30)\nprint(f\"AVL Tree - In-order traversal after deleting 30: {avl.in_order_traversal()}\")\n\n# Binary Search Tree (BST)\nfrom dsaedge.trees.binary_search_tree import BinarySearchTree\n\nbst = BinarySearchTree()\nbst.insert(50)\nbst.insert(30)\nbst.insert(70)\nbst.insert(20)\nbst.insert(40)\nbst.insert(60)\nbst.insert(80)\nprint(f\"BST - Search 40: {bst.search(40).data if bst.search(40) else None}\")\nbst.delete(30)\nprint(f\"BST - In-order traversal after deleting 30: {bst.in_order_traversal()}\")\n\n# Binary Tree\nfrom dsaedge.trees.binary_tree import BinaryTree, Node\n\nbt = BinaryTree(1)\nbt.root.left = Node(2)\nbt.root.right = Node(3)\nbt.root.left.left = Node(4)\nbt.root.left.right = Node(5)\n\nprint(f\"Binary Tree - Pre-order traversal: {bt.pre_order_traversal()}\")\nprint(f\"Binary Tree - In-order traversal: {bt.in_order_traversal()}\")\nprint(f\"Binary Tree - Post-order traversal: {bt.post_order_traversal()}\")\nprint(f\"Binary Tree - Level-order traversal: {bt.level_order_traversal()}\")\n```\n\n## Implemented Data Structures and Algorithms\n\nThe `dsaedge` package is organized into several modules, each focusing on a specific category of data structures or algorithms.\n\n### Data Structures\n\n*   **`advanced_data_structures`**\n    *   `disjoint_set_union.py`: Disjoint Set Union (DSU) with `make_set`, `find`, and `union` operations.\n    *   `fenwick_tree.py`: Fenwick Tree (Binary Indexed Tree) with `update`, `query`, and `range_query` operations.\n    *   `segment_tree.py`: Segment Tree with `build`, `query`, and `update` operations.\n    *   `trie.py`: Trie (Prefix Tree) with `insert`, `search`, and `starts_with` operations.\n*   **`hash_tables`**\n    *   `hash_table.py`: Hash Table with chaining, supporting `set`, `get`, and `delete` operations.\n*   **`heaps`**\n    *   `min_heap.py`: Min-Heap with `insert`, `extract_min`, `get_min`, `is_empty`, and `size` operations.\n*   **`linked_lists`**\n    *   `circular_singly_linked_list.py`: Circular Singly Linked List with `append`, `prepend`, `delete`, `search`, `is_empty`, `__len__`, and `__str__` operations.\n    *   `doubly_linked_list.py`: Doubly Linked List with `append`, `prepend`, `insert_at_position`, `delete`, `search`, `is_empty`, `__len__`, `__str__`, and `print_reverse` operations.\n    *   `singly_linked_list.py`: Singly Linked List with `append`, `prepend`, `insert_at_position`, `delete`, `search`, `is_empty`, `__len__`, and `__str__` operations.\n*   **`trees`**\n    *   `avl_tree.py`: AVL Tree with `insert`, `delete`, and `in_order_traversal` operations.\n    *   `binary_search_tree.py`: Binary Search Tree (BST) with `insert`, `search`, `delete`, and `in_order_traversal` operations.\n    *   `binary_tree.py`: Generic Binary Tree with `pre_order_traversal`, `in_order_traversal`, `post_order_traversal`, and `level_order_traversal` operations.\n\n### Algorithms\n\n*   **`algorithmic_paradigms`**\n    *   `kmp_search.py`: Knuth-Morris-Pratt (KMP) string searching algorithm.\n    *   `knapsack_problem.py`: 0/1 Knapsack problem solver using dynamic programming.\n    *   `longest_common_subsequence.py`: Longest Common Subsequence (LCS) length and reconstruction using dynamic programming.\n    *   `n_queens.py`: N-Queens Problem solver using backtracking.\n    *   `sudoku_solver.py`: Sudoku Solver using backtracking.\n*   **`graphs`**\n    *   `bellman_ford.py`: Bellman-Ford algorithm for shortest paths and negative cycle detection.\n    *   `floyd_warshall.py`: Floyd-Warshall algorithm for all-pairs shortest paths.\n    *   `graph_representation.py`: Graph Representation (Adjacency List) with BFS, DFS, Dijkstra's, and Prim's algorithms.\n    *   `kruskal_algorithm.py`: Kruskal's algorithm for Minimum Spanning Tree (MST).\n    *   `topological_sort.py`: Topological Sort using Kahn's algorithm.\n*   **`searching`**\n    *   `searching_algorithms.py`: Linear Search, Binary Search (iterative and recursive).\n*   **`sorting`**\n    *   `bubble_sort.py`: Bubble Sort.\n    *   `heap_sort.py`: Heap Sort.\n    *   `insertion_sort.py`: Insertion Sort.\n    *   `merge_sort.py`: Merge Sort.\n    *   `quick_sort.py`: Quick Sort.\n    *   `selection_sort.py`: Selection Sort.\n\n## Contributing\n\nContributions are welcome! Please feel free to open issues or submit pull requests.\n\n## License\n\nThis project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.\n",
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