-
-
Notifications
You must be signed in to change notification settings - Fork 46.6k
Added Fibonacci_Heap for DSA #9285
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Conversation
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Click here to look at the relevant links ⬇️
🔗 Relevant Links
Repository:
Python:
Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.
algorithms-keeper
commands and options
algorithms-keeper actions can be triggered by commenting on this PR:
@algorithms-keeper review
to trigger the checks for only added pull request files@algorithms-keeper review-all
to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.
@@ -0,0 +1,101 @@ | |||
class FibonacciNode: | |||
def __init__(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: key
self.parent = None | ||
|
||
class FibonacciHeap: | ||
def __init__(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
class FibonacciNode:
def init(self, key) -> None:
self.key = key
self.children = []
self.marked = False
self.degree = 0
self.parent = None
class FibonacciHeap:
def init(self) -> None:
self.trees = []
self.least = None
self.count = 0
self.least = None | ||
self.count = 0 | ||
|
||
def insert(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: insert
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function insert
Please provide type hint for the parameter: key
if self.least is None or key < self.least.key: | ||
self.least = new_node | ||
|
||
def extract_min(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: extract_min
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function extract_min
self.consolidate() | ||
return min_node.key | ||
|
||
def consolidate(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: consolidate
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function consolidate
|
||
self.trees = [node for node in degree_counts if node is not None] | ||
|
||
def link(self, node1, node2): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: link
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function link
Please provide type hint for the parameter: node1
Please provide type hint for the parameter: node2
node1.degree += 1 | ||
node2.marked = False | ||
|
||
def decrease_key(self, node, new_key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: decrease_key
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function decrease_key
Please provide type hint for the parameter: node
Please provide type hint for the parameter: new_key
self.cut(node, parent) | ||
self.cascading_cut(parent) | ||
|
||
def cut(self, node, parent): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: cut
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function cut
Please provide type hint for the parameter: node
Please provide type hint for the parameter: parent
node.parent = None | ||
node.marked = False | ||
|
||
def cascading_cut(self, node): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: cascading_cut
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function cascading_cut
Please provide type hint for the parameter: node
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
class FibonacciNode:
def init(self, key) -> None:
self.key = key
self.children = []
self.marked = False
self.degree = 0
self.parent = None
class FibonacciHeap:
def init(self) -> None:
self.trees = []
self.least = None
self.count = 0
# ... (other methods)
def cascading_cut(self, node: FibonacciNode) -> None:
"""
Perform cascading cuts to handle marked nodes and maintain heap properties.
:param node: The node on which cascading cuts are applied.
"""
parent = node.parent
if parent is not None:
if not node.marked:
node.marked = True
else:
self.cut(node, parent)
self.cascading_cut(parent)
self.cut(node, parent) | ||
self.cascading_cut(parent) | ||
|
||
def update_least(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: update_least
. If the function does not return a value, please provide the type hint as: def function() -> None:
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function update_least
for more information, see https://pre-commit.ci
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Added reviews
self.parent = None | ||
|
||
class FibonacciHeap: | ||
def __init__(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
class FibonacciNode:
def init(self, key) -> None:
self.key = key
self.children = []
self.marked = False
self.degree = 0
self.parent = None
class FibonacciHeap:
def init(self) -> None:
self.trees = []
self.least = None
self.count = 0
node.parent = None | ||
node.marked = False | ||
|
||
def cascading_cut(self, node): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
class FibonacciNode:
def init(self, key) -> None:
self.key = key
self.children = []
self.marked = False
self.degree = 0
self.parent = None
class FibonacciHeap:
def init(self) -> None:
self.trees = []
self.least = None
self.count = 0
# ... (other methods)
def cascading_cut(self, node: FibonacciNode) -> None:
"""
Perform cascading cuts to handle marked nodes and maintain heap properties.
:param node: The node on which cascading cuts are applied.
"""
parent = node.parent
if parent is not None:
if not node.marked:
node.marked = True
else:
self.cut(node, parent)
self.cascading_cut(parent)
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Click here to look at the relevant links ⬇️
🔗 Relevant Links
Repository:
Python:
Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.
algorithms-keeper
commands and options
algorithms-keeper actions can be triggered by commenting on this PR:
@algorithms-keeper review
to trigger the checks for only added pull request files@algorithms-keeper review-all
to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.
@@ -0,0 +1,101 @@ | |||
class FibonacciNode: | |||
def __init__(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: key
|
||
|
||
class FibonacciHeap: | ||
def __init__(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
self.least = None | ||
self.count = 0 | ||
|
||
def insert(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function insert
Please provide return type hint for the function: insert
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: key
if self.least is None or key < self.least.key: | ||
self.least = new_node | ||
|
||
def extract_min(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function extract_min
Please provide return type hint for the function: extract_min
. If the function does not return a value, please provide the type hint as: def function() -> None:
self.consolidate() | ||
return min_node.key | ||
|
||
def consolidate(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function consolidate
Please provide return type hint for the function: consolidate
. If the function does not return a value, please provide the type hint as: def function() -> None:
node.parent = None | ||
node.marked = False | ||
|
||
def cascading_cut(self, node): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function cascading_cut
Please provide return type hint for the function: cascading_cut
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: node
self.cut(node, parent) | ||
self.cascading_cut(parent) | ||
|
||
def update_least(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function update_least
Please provide return type hint for the function: update_least
. If the function does not return a value, please provide the type hint as: def function() -> None:
@@ -0,0 +1,28 @@ | |||
import numpy as np | |||
|
|||
def metropolis_hastings(target_distribution, proposal_distribution, num_samples, initial_state): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file dynamic_programming/Metropolis_Hasting.py
, please provide doctest for the function metropolis_hastings
Please provide return type hint for the function: metropolis_hastings
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: target_distribution
Please provide type hint for the parameter: proposal_distribution
Please provide type hint for the parameter: num_samples
Please provide type hint for the parameter: initial_state
|
||
return samples[1:] | ||
|
||
def target_distribution(x): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file dynamic_programming/Metropolis_Hasting.py
, please provide doctest for the function target_distribution
Please provide return type hint for the function: target_distribution
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: x
Please provide descriptive name for the parameter: x
def target_distribution(x): | ||
return np.exp(-x**2 / 2) / np.sqrt(2 * np.pi) | ||
|
||
def proposal_distribution(x): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file dynamic_programming/Metropolis_Hasting.py
, please provide doctest for the function proposal_distribution
Please provide return type hint for the function: proposal_distribution
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: x
Please provide descriptive name for the parameter: x
for more information, see https://pre-commit.ci
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Click here to look at the relevant links ⬇️
🔗 Relevant Links
Repository:
Python:
Automated review generated by algorithms-keeper. If there's any problem regarding this review, please open an issue about it.
algorithms-keeper
commands and options
algorithms-keeper actions can be triggered by commenting on this PR:
@algorithms-keeper review
to trigger the checks for only added pull request files@algorithms-keeper review-all
to trigger the checks for all the pull request files, including the modified files. As we cannot post review comments on lines not part of the diff, this command will post all the messages in one comment.NOTE: Commands are in beta and so this feature is restricted only to a member or owner of the organization.
@@ -0,0 +1,101 @@ | |||
class FibonacciNode: | |||
def __init__(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: key
|
||
|
||
class FibonacciHeap: | ||
def __init__(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Please provide return type hint for the function: __init__
. If the function does not return a value, please provide the type hint as: def function() -> None:
self.least = None | ||
self.count = 0 | ||
|
||
def insert(self, key): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function insert
Please provide return type hint for the function: insert
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: key
if self.least is None or key < self.least.key: | ||
self.least = new_node | ||
|
||
def extract_min(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function extract_min
Please provide return type hint for the function: extract_min
. If the function does not return a value, please provide the type hint as: def function() -> None:
self.consolidate() | ||
return min_node.key | ||
|
||
def consolidate(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function consolidate
Please provide return type hint for the function: consolidate
. If the function does not return a value, please provide the type hint as: def function() -> None:
node.parent = None | ||
node.marked = False | ||
|
||
def cascading_cut(self, node): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function cascading_cut
Please provide return type hint for the function: cascading_cut
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: node
self.cut(node, parent) | ||
self.cascading_cut(parent) | ||
|
||
def update_least(self): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/fibonacci_heap.py
, please provide doctest for the function update_least
Please provide return type hint for the function: update_least
. If the function does not return a value, please provide the type hint as: def function() -> None:
@@ -0,0 +1,28 @@ | |||
import numpy as np | |||
|
|||
def metropolis_hastings(target_distribution, proposal_distribution, num_samples, initial_state): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/metropolish_hasting.py
, please provide doctest for the function metropolis_hastings
Please provide return type hint for the function: metropolis_hastings
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: target_distribution
Please provide type hint for the parameter: proposal_distribution
Please provide type hint for the parameter: num_samples
Please provide type hint for the parameter: initial_state
|
||
return samples[1:] | ||
|
||
def target_distribution(x): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/metropolish_hasting.py
, please provide doctest for the function target_distribution
Please provide return type hint for the function: target_distribution
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: x
Please provide descriptive name for the parameter: x
def target_distribution(x): | ||
return np.exp(-x**2 / 2) / np.sqrt(2 * np.pi) | ||
|
||
def proposal_distribution(x): |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
As there is no test file in this pull request nor any test function or class in the file data_structures/heap/metropolish_hasting.py
, please provide doctest for the function proposal_distribution
Please provide return type hint for the function: proposal_distribution
. If the function does not return a value, please provide the type hint as: def function() -> None:
Please provide type hint for the parameter: x
Please provide descriptive name for the parameter: x
for more information, see https://pre-commit.ci
Do not contribute multiple algorithms in one PR. Why did you check the checkbox if you didn't follow the instructions?
|
Describe your change:
Added the Fibonacci heap in the DSA section
Checklist: