mirror of
https://codeberg.org/andyscott/HashMaps.git
synced 2024-09-07 21:18:06 -04:00
Fix testing indentation
This commit is contained in:
parent
bd89c86984
commit
155571e227
GPG key ID:
3EB62D0BBB8DB381
1 changed files with 238 additions and 223 deletions
461
hash_map_sc.py
461
hash_map_sc.py
|
|
@ -1,11 +1,8 @@
|
|||
# Name: Andrew Scott
|
||||
# OSU Email: scottand@oregonstate.edu
|
||||
# Course: CS261 - Data Structures
|
||||
# Assignment: 6
|
||||
# Due Date: 2022-06-03
|
||||
# Description: HashMap implementation using Separate Chaining
|
||||
# Author: Andrew Scott
|
||||
# Description: HashMap implementation using Separate Chaining for collision
|
||||
# resolution
|
||||
|
||||
from a6_include import (
|
||||
from hm_include import (
|
||||
DynamicArray,
|
||||
LinkedList,
|
||||
SLNode,
|
||||
|
|
@ -15,12 +12,19 @@ from a6_include import (
|
|||
|
||||
|
||||
class HashMap:
|
||||
"""
|
||||
Hash map that uses separate chaining for colision resolution
|
||||
|
||||
Parameters
|
||||
----------
|
||||
capacity : int
|
||||
Initial capacity for the hash map
|
||||
function : function
|
||||
Hash function to use
|
||||
"""
|
||||
|
||||
def __init__(self, capacity: int, function) -> None:
|
||||
"""
|
||||
Initialize new HashMap that uses
|
||||
separate chaining for collision resolution
|
||||
DO NOT CHANGE THIS METHOD IN ANY WAY
|
||||
"""
|
||||
"""Constructor for the HashMap class"""
|
||||
self._buckets = DynamicArray()
|
||||
for _ in range(capacity):
|
||||
self._buckets.append(LinkedList())
|
||||
|
|
@ -30,30 +34,40 @@ class HashMap:
|
|||
self._size = 0
|
||||
|
||||
def __str__(self) -> str:
|
||||
"""Override string method to provide more readable output
|
||||
|
||||
Returns
|
||||
-------
|
||||
str
|
||||
Hash map in human readable form
|
||||
"""
|
||||
Override string method to provide more readable output
|
||||
DO NOT CHANGE THIS METHOD IN ANY WAY
|
||||
"""
|
||||
|
||||
out = ""
|
||||
for i in range(self._buckets.length()):
|
||||
out += str(i) + ": " + str(self._buckets[i]) + "\n"
|
||||
return out
|
||||
|
||||
def get_size(self) -> int:
|
||||
"""Get the map size
|
||||
|
||||
Returns
|
||||
-------
|
||||
int
|
||||
Size of the hash map
|
||||
"""
|
||||
Return size of map
|
||||
DO NOT CHANGE THIS METHOD IN ANY WAY
|
||||
"""
|
||||
|
||||
return self._size
|
||||
|
||||
def get_capacity(self) -> int:
|
||||
"""
|
||||
Return capacity of map
|
||||
DO NOT CHANGE THIS METHOD IN ANY WAY
|
||||
"""
|
||||
return self._capacity
|
||||
"""Get the map capacity
|
||||
|
||||
# ------------------------------------------------------------------ #
|
||||
Returns
|
||||
-------
|
||||
int
|
||||
Capacity of the hash map
|
||||
"""
|
||||
|
||||
return self._capacity
|
||||
|
||||
def put(self, key: str, value: object) -> None:
|
||||
"""Adds (or updates) a key/value pair to the hash map
|
||||
|
|
@ -280,223 +294,224 @@ def find_mode(da: DynamicArray) -> (DynamicArray, int):
|
|||
|
||||
# ------------------- BASIC TESTING ---------------------------------------- #
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
||||
print("\nPDF - put example 1")
|
||||
print("-------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(150):
|
||||
m.put("str" + str(i), i * 100)
|
||||
if i % 25 == 24:
|
||||
print(m.empty_buckets(), m.table_load(), m.get_size(), m.get_capacity())
|
||||
if __name__ == "__main__":
|
||||
|
||||
print("\nPDF - put example 2")
|
||||
print("-------------------")
|
||||
m = HashMap(40, hash_function_2)
|
||||
for i in range(50):
|
||||
m.put("str" + str(i // 3), i * 100)
|
||||
if i % 10 == 9:
|
||||
print(m.empty_buckets(), m.table_load(), m.get_size(), m.get_capacity())
|
||||
print("\nPDF - put example 1")
|
||||
print("-------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(150):
|
||||
m.put("str" + str(i), i * 100)
|
||||
if i % 25 == 24:
|
||||
print(m.empty_buckets(), m.table_load(), m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - empty_buckets example 1")
|
||||
print("-----------------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key2", 20)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key1", 30)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key4", 40)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
print("\nPDF - put example 2")
|
||||
print("-------------------")
|
||||
m = HashMap(40, hash_function_2)
|
||||
for i in range(50):
|
||||
m.put("str" + str(i // 3), i * 100)
|
||||
if i % 10 == 9:
|
||||
print(m.empty_buckets(), m.table_load(), m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - empty_buckets example 2")
|
||||
print("-----------------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(150):
|
||||
m.put("key" + str(i), i * 100)
|
||||
if i % 30 == 0:
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
print("\nPDF - empty_buckets example 1")
|
||||
print("-----------------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key2", 20)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key1", 30)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
m.put("key4", 40)
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - table_load example 1")
|
||||
print("--------------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.table_load())
|
||||
m.put("key1", 10)
|
||||
print(m.table_load())
|
||||
m.put("key2", 20)
|
||||
print(m.table_load())
|
||||
m.put("key1", 30)
|
||||
print(m.table_load())
|
||||
print("\n empty_buckets example 2")
|
||||
print("-----------------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(150):
|
||||
m.put("key" + str(i), i * 100)
|
||||
if i % 30 == 0:
|
||||
print(m.empty_buckets(), m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - table_load example 2")
|
||||
print("--------------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(50):
|
||||
m.put("key" + str(i), i * 100)
|
||||
if i % 10 == 0:
|
||||
print(m.table_load(), m.get_size(), m.get_capacity())
|
||||
print("\n table_load example 1")
|
||||
print("--------------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.table_load())
|
||||
m.put("key1", 10)
|
||||
print(m.table_load())
|
||||
m.put("key2", 20)
|
||||
print(m.table_load())
|
||||
m.put("key1", 30)
|
||||
print(m.table_load())
|
||||
|
||||
print("\nPDF - clear example 1")
|
||||
print("---------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
m.put("key2", 20)
|
||||
m.put("key1", 30)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.clear()
|
||||
print(m.get_size(), m.get_capacity())
|
||||
print("\n table_load example 2")
|
||||
print("--------------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
for i in range(50):
|
||||
m.put("key" + str(i), i * 100)
|
||||
if i % 10 == 0:
|
||||
print(m.table_load(), m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - clear example 2")
|
||||
print("---------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key2", 20)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.resize_table(100)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.clear()
|
||||
print(m.get_size(), m.get_capacity())
|
||||
print("\n clear example 1")
|
||||
print("---------------------")
|
||||
m = HashMap(100, hash_function_1)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
m.put("key2", 20)
|
||||
m.put("key1", 30)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.clear()
|
||||
print(m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - resize example 1")
|
||||
print("----------------------")
|
||||
m = HashMap(20, hash_function_1)
|
||||
m.put("key1", 10)
|
||||
print(m.get_size(), m.get_capacity(), m.get("key1"), m.contains_key("key1"))
|
||||
m.resize_table(30)
|
||||
print(m.get_size(), m.get_capacity(), m.get("key1"), m.contains_key("key1"))
|
||||
print("\n clear example 2")
|
||||
print("---------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key1", 10)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.put("key2", 20)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.resize_table(100)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
m.clear()
|
||||
print(m.get_size(), m.get_capacity())
|
||||
|
||||
print("\nPDF - resize example 2")
|
||||
print("----------------------")
|
||||
m = HashMap(75, hash_function_2)
|
||||
keys = [i for i in range(1, 1000, 13)]
|
||||
for key in keys:
|
||||
m.put(str(key), key * 42)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
print("\n resize example 1")
|
||||
print("----------------------")
|
||||
m = HashMap(20, hash_function_1)
|
||||
m.put("key1", 10)
|
||||
print(m.get_size(), m.get_capacity(), m.get("key1"), m.contains_key("key1"))
|
||||
m.resize_table(30)
|
||||
print(m.get_size(), m.get_capacity(), m.get("key1"), m.contains_key("key1"))
|
||||
|
||||
for capacity in range(111, 1000, 117):
|
||||
m.resize_table(capacity)
|
||||
print("\n resize example 2")
|
||||
print("----------------------")
|
||||
m = HashMap(75, hash_function_2)
|
||||
keys = [i for i in range(1, 1000, 13)]
|
||||
for key in keys:
|
||||
m.put(str(key), key * 42)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
|
||||
m.put("some key", "some value")
|
||||
result = m.contains_key("some key")
|
||||
m.remove("some key")
|
||||
for capacity in range(111, 1000, 117):
|
||||
m.resize_table(capacity)
|
||||
|
||||
for key in keys:
|
||||
# all inserted keys must be present
|
||||
result &= m.contains_key(str(key))
|
||||
# NOT inserted keys must be absent
|
||||
result &= not m.contains_key(str(key + 1))
|
||||
print(
|
||||
capacity,
|
||||
result,
|
||||
m.get_size(),
|
||||
m.get_capacity(),
|
||||
round(m.table_load(), 2),
|
||||
)
|
||||
m.put("some key", "some value")
|
||||
result = m.contains_key("some key")
|
||||
m.remove("some key")
|
||||
|
||||
print("\nPDF - get example 1")
|
||||
print("-------------------")
|
||||
m = HashMap(30, hash_function_1)
|
||||
print(m.get("key"))
|
||||
m.put("key1", 10)
|
||||
print(m.get("key1"))
|
||||
|
||||
print("\nPDF - get example 2")
|
||||
print("-------------------")
|
||||
m = HashMap(150, hash_function_2)
|
||||
for i in range(200, 300, 7):
|
||||
m.put(str(i), i * 10)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
for i in range(200, 300, 21):
|
||||
print(i, m.get(str(i)), m.get(str(i)) == i * 10)
|
||||
print(i + 1, m.get(str(i + 1)), m.get(str(i + 1)) == (i + 1) * 10)
|
||||
|
||||
print("\nPDF - contains_key example 1")
|
||||
print("----------------------------")
|
||||
m = HashMap(10, hash_function_1)
|
||||
print(m.contains_key("key1"))
|
||||
m.put("key1", 10)
|
||||
m.put("key2", 20)
|
||||
m.put("key3", 30)
|
||||
print(m.contains_key("key1"))
|
||||
print(m.contains_key("key4"))
|
||||
print(m.contains_key("key2"))
|
||||
print(m.contains_key("key3"))
|
||||
m.remove("key3")
|
||||
print(m.contains_key("key3"))
|
||||
|
||||
print("\nPDF - contains_key example 2")
|
||||
print("----------------------------")
|
||||
m = HashMap(75, hash_function_2)
|
||||
keys = [i for i in range(1, 1000, 20)]
|
||||
for key in keys:
|
||||
m.put(str(key), key * 42)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
result = True
|
||||
for key in keys:
|
||||
# all inserted keys must be present
|
||||
result &= m.contains_key(str(key))
|
||||
# NOT inserted keys must be absent
|
||||
result &= not m.contains_key(str(key + 1))
|
||||
print(result)
|
||||
|
||||
print("\nPDF - remove example 1")
|
||||
print("----------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
print(m.get("key1"))
|
||||
m.put("key1", 10)
|
||||
print(m.get("key1"))
|
||||
m.remove("key1")
|
||||
print(m.get("key1"))
|
||||
m.remove("key4")
|
||||
|
||||
print("\nPDF - get_keys example 1")
|
||||
print("------------------------")
|
||||
m = HashMap(10, hash_function_2)
|
||||
for i in range(100, 200, 10):
|
||||
m.put(str(i), str(i * 10))
|
||||
print(m.get_keys())
|
||||
|
||||
m.resize_table(1)
|
||||
print(m.get_keys())
|
||||
|
||||
m.put("200", "2000")
|
||||
m.remove("100")
|
||||
m.resize_table(2)
|
||||
print(m.get_keys())
|
||||
|
||||
print("\nPDF - find_mode example 1")
|
||||
print("-----------------------------")
|
||||
da = DynamicArray(["apple", "apple", "grape", "melon", "melon", "peach"])
|
||||
map = HashMap(da.length() // 3, hash_function_1)
|
||||
mode, frequency = find_mode(da)
|
||||
print(f"Input: {da}\nMode: {mode}, Frequency: {frequency}")
|
||||
|
||||
print("\nPDF - find_mode example 2")
|
||||
print("-----------------------------")
|
||||
test_cases = (
|
||||
[
|
||||
"Arch",
|
||||
"Manjaro",
|
||||
"Manjaro",
|
||||
"Mint",
|
||||
"Mint",
|
||||
"Mint",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
],
|
||||
["one", "two", "three", "four", "five"],
|
||||
["2", "4", "2", "6", "8", "4", "1", "3", "4", "5", "7", "3", "3", "2"],
|
||||
print(
|
||||
capacity,
|
||||
result,
|
||||
m.get_size(),
|
||||
m.get_capacity(),
|
||||
round(m.table_load(), 2),
|
||||
)
|
||||
|
||||
for case in test_cases:
|
||||
da = DynamicArray(case)
|
||||
map = HashMap(da.length() // 3, hash_function_2)
|
||||
mode, frequency = find_mode(da)
|
||||
print(f"Input: {da}\nMode: {mode}, Frequency: {frequency}\n")
|
||||
print("\n get example 1")
|
||||
print("-------------------")
|
||||
m = HashMap(30, hash_function_1)
|
||||
print(m.get("key"))
|
||||
m.put("key1", 10)
|
||||
print(m.get("key1"))
|
||||
|
||||
print("\n get example 2")
|
||||
print("-------------------")
|
||||
m = HashMap(150, hash_function_2)
|
||||
for i in range(200, 300, 7):
|
||||
m.put(str(i), i * 10)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
for i in range(200, 300, 21):
|
||||
print(i, m.get(str(i)), m.get(str(i)) == i * 10)
|
||||
print(i + 1, m.get(str(i + 1)), m.get(str(i + 1)) == (i + 1) * 10)
|
||||
|
||||
print("\n contains_key example 1")
|
||||
print("----------------------------")
|
||||
m = HashMap(10, hash_function_1)
|
||||
print(m.contains_key("key1"))
|
||||
m.put("key1", 10)
|
||||
m.put("key2", 20)
|
||||
m.put("key3", 30)
|
||||
print(m.contains_key("key1"))
|
||||
print(m.contains_key("key4"))
|
||||
print(m.contains_key("key2"))
|
||||
print(m.contains_key("key3"))
|
||||
m.remove("key3")
|
||||
print(m.contains_key("key3"))
|
||||
|
||||
print("\n contains_key example 2")
|
||||
print("----------------------------")
|
||||
m = HashMap(75, hash_function_2)
|
||||
keys = [i for i in range(1, 1000, 20)]
|
||||
for key in keys:
|
||||
m.put(str(key), key * 42)
|
||||
print(m.get_size(), m.get_capacity())
|
||||
result = True
|
||||
for key in keys:
|
||||
# all inserted keys must be present
|
||||
result &= m.contains_key(str(key))
|
||||
# NOT inserted keys must be absent
|
||||
result &= not m.contains_key(str(key + 1))
|
||||
print(result)
|
||||
|
||||
print("\n remove example 1")
|
||||
print("----------------------")
|
||||
m = HashMap(50, hash_function_1)
|
||||
print(m.get("key1"))
|
||||
m.put("key1", 10)
|
||||
print(m.get("key1"))
|
||||
m.remove("key1")
|
||||
print(m.get("key1"))
|
||||
m.remove("key4")
|
||||
|
||||
print("\n get_keys example 1")
|
||||
print("------------------------")
|
||||
m = HashMap(10, hash_function_2)
|
||||
for i in range(100, 200, 10):
|
||||
m.put(str(i), str(i * 10))
|
||||
print(m.get_keys())
|
||||
|
||||
m.resize_table(1)
|
||||
print(m.get_keys())
|
||||
|
||||
m.put("200", "2000")
|
||||
m.remove("100")
|
||||
m.resize_table(2)
|
||||
print(m.get_keys())
|
||||
|
||||
print("\n find_mode example 1")
|
||||
print("-----------------------------")
|
||||
da = DynamicArray(["apple", "apple", "grape", "melon", "melon", "peach"])
|
||||
map = HashMap(da.length() // 3, hash_function_1)
|
||||
mode, frequency = find_mode(da)
|
||||
print(f"Input: {da}\nMode: {mode}, Frequency: {frequency}")
|
||||
|
||||
print("\n find_mode example 2")
|
||||
print("-----------------------------")
|
||||
test_cases = (
|
||||
[
|
||||
"Arch",
|
||||
"Manjaro",
|
||||
"Manjaro",
|
||||
"Mint",
|
||||
"Mint",
|
||||
"Mint",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
"Ubuntu",
|
||||
],
|
||||
["one", "two", "three", "four", "five"],
|
||||
["2", "4", "2", "6", "8", "4", "1", "3", "4", "5", "7", "3", "3", "2"],
|
||||
)
|
||||
|
||||
for case in test_cases:
|
||||
da = DynamicArray(case)
|
||||
map = HashMap(da.length() // 3, hash_function_2)
|
||||
mode, frequency = find_mode(da)
|
||||
print(f"Input: {da}\nMode: {mode}, Frequency: {frequency}\n")
|
||||
|
|
|
|||
Loading…
Reference in a new issue