Questions tagged [linked-list]
A linked list is a data structure in which the elements contain references to the next (and optionally the previous) element.
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SumList Cracking the coding Interview
Sum of 2 numbers, represented with linked lists, where digits are in backward order or forward order.
Backward order Example
INPUT:(7->1->6) + (5->9->2) = 617+295
OUTPUT: 2->1->9 = ...
3
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0answers
64 views
How can I filter and sort LinkedList faster and more effective?I have list of orders that should be processed
I have method that fetches all orders from Database and filtering, sorting that data(I know better to do It by specific query to Database but I dont know how).
I have Order entity that has following
<...
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2answers
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2answers
115 views
Filter a Linked List in Place in C
I have created the following function which filters a linked list in place
(here it removes all instances of the element k), but it could easily be modified to take a function pointer as an argument ...
0
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1answer
72 views
How to have a nested struct as linked list in C? [closed]
I am new in C and I have to do a project which reads data from a .txt file and created linked list of structures to different operation on that structures (CRUD). The file contains data of rooms in a ...
2
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2answers
46 views
Merge Sort for Linked List Criticism in C
I previously implemented a Merge Sort for arrays, so after fixing up my code for the array-based merge sort I have now implemented a merge sort for a basic singly-linked list data structure which only ...
1
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0answers
31 views
Integer Double Ended Queue GO
I'm currently learning Go and I have decided to implement a Circular Doubly Linked List (Deque) structure for the training. Go is not my first language. I program mainly in Python, therefore I would ...
1
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2answers
91 views
Delete last node in singly linked list
In a TED talk Linus Torvalds made a point about “good taste” at approximately 14:10 in the interview. I read through his examples of “bad taste” and “good taste” and wanted to implement the same ...
2
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1answer
133 views
Ncurses Snake Game using a Linked List in C
This is a lightweight text based version of the popular game Snake written entirely in C. In order to build it, ncurses needs to be installed on the system. Navigation is done using the vim-keys and ...
2
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1answer
40 views
Linked list that support modifications during iteration
Update:
Fixed last item is not removed during iteration
Fixed clear() during iteration does nothing
Fixed addition of removed item is ignored
The lasted code can ...
5
votes
1answer
95 views
singly linked list python code
I have recently tried converting a singly linked list from a C program into my own python program. I have tested the code myself but I am still unsure if the program has been converted properly. I ...
4
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1answer
112 views
Forward List Implementation
NB: There's a bug with my iterator, apparently. I can't use const_iterator because I get some compiler errors. I know using const...
2
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0answers
59 views
Hash table library implementation
I wrote my own implementation of generic hash table. I’m using linked list to resolve collision problem.
I want to share my code with you and get your opinion about it, and if there are any advice or ...
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4answers
324 views
Linked list implementation, manipulation, and testing in C
This is a beginner's attempt at implementing a linked list in C. Please read the code and provide recommendations. I do not want to limit the reader's benevolence to only these questions, but my ...
1
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1answer
59 views
Binary Radix Sort implementation on linked list
I am trying to implement binary radix sort in C which sorts a linked list of integers stably. Although my algorithm has a time complexity of O(log2(k).n) (where k ...
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2answers
122 views
Splitting a list by predicate
I have written a function splitAtPredicate that splits the list at element x satisfying p, ...
2
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2answers
59 views
remove kth last element from singly-linked list - Follow up
This code is a revised version of implementation which asked for an improvement. Original question is asked here:
remove kth last element from singly-linked list
credits to: Toby, Andreas, Arkadiusz
...
5
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2answers
282 views
Removing C comments from Source
Challenge posted 5 Dec 2020 to comp.lang.c This program is essentially the same as my Version 8 posted to that thread, but with some further cosmetic improvements.
This program reads from stdin (or a ...
7
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3answers
604 views
Double Linked List with smart pointers: problems with insert method
I'm trying to implement a Templated Double Linked List, following Stroustrup's book "Principles and Practice using C++", Chapter 20.4. Instead of raw pointers, I want to use unique pointers.
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2answers
101 views
remove kth last element from singly-linked list
I have implemented a code to solve following problem. I would like to improve the code efficiency.
Pardon if I just printed out the result.
Code has O(N) time and constant space complexity.
Given a ...
4
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1answer
68 views
Bump Allocator in Linked List
Here is my code for implementing a linked list with custom allocators (the standard malloc/free and a simple bump allocator). I appreciate any comments or critiques about architecture, formatting, and ...
4
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3answers
184 views
Generic implementation of a hashtable with double-linked list
I implemented a hashtable that handles collisions by chaining entries using a double linked list.
The idea is that it can store/lookup any kind of generic data structure, while maintaining an API that ...
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0answers
20 views
A simple linked list for C practice
After a long break I have to return to programming in C. As an exercise I wrote this simple linked list thing. Please just have a look, any comments are appreciated. Just shoot.
...
9
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2answers
829 views
Floyd's cycle-finding algorithm
I am writing a piece of code for some students and I came up with the following implementation of Floyd's algorithm for finding cycles in linked lists.
I was wondering if there are ways I can improve ...
10
votes
4answers
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C Linked List Code Style
Here is my beginner code for dealing with a linked list. I appreciate any comments on structure, logic, formatting, and anything small or large. I have run the code using gcc and tested the small <...
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2answers
109 views
XOR linked list implementation - Follow Up
This question is a follow up question to the XOR linked list implementation.
I am posting a new code here with taking into consideration the suggestions of Toby Speight and Deduplicator. Please advise ...
7
votes
2answers
809 views
XOR linked list implementation
I am trying to resolve below question in order to prepare for an interview xD
An XOR linked list is a more memory efficient doubly linked list.
Instead of each node holding next and prev fields, it ...
8
votes
2answers
856 views
Implementation of Doubly-linked list in C++
So I have tried to implement a doubly-linked list in C++. My implementation includes some basic methods (although I know there could be many more), an iterator class and an overwritten ...
5
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1answer
156 views
Generic double linked list implementation with tests in C
Can you please give your feedback to my double linked list implementation below? It comes with some very basic functions as well as separate code to test the implementation. The tests are only '...
7
votes
2answers
358 views
Doubly Linked List Data Structure ADT in C++
I'm trying to implement a Doubly Linked List data structure in C++. Please give me suggestions on how this code can be improved. Try to remain in C++11 because that's what I know atm.
...
3
votes
2answers
285 views
Linked List Queue Implementation
I implemented a Queue using linked list data structure. This is also my first time using templates in C++.
OVERVIEW
Queue is a data-structure that supports only ...
9
votes
1answer
395 views
Radix Tree Implementation in c
I tried implementing a radix tree using C language in order to get the auto complete suggestions of a dictionary. What are the improvements that I can do here? Also, is there any better way of doing ...
7
votes
3answers
1k views
Implementation of Singly Linked List (C++)
I tried to implement a singly linked list myself, sorry it is not commented but I think it should be pretty self-explanatory, if not feel free to comment. I know that using namespace std; is not ...
2
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0answers
36 views
Grading script in SCALA
The prompt is as follows: This script will use a text menu to give the
user options. The options will include the ability to add grades of different types as well
as an option to print the current ...
2
votes
1answer
645 views
Generic Doubly Linked-list implementation in C++
I am just learning about C++ templates and generic types, I decided it would be nice to try to create a generic container class as a challenge and test my knowledge in the process. Here is what I have ...
3
votes
1answer
111 views
Java Singly-linked List: how to be efficient and clean
this is my first time on StackExchange. I am new to writing code. This is a singly-linked list I made in Java using generics with no sentinel nodes (i.e. no empty head and tail nodes). Looking for ...
5
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3answers
121 views
Doubly linked-list implementation
I come from a C++ background, and I recently got into C, and one of the first things I made was a double linked list since I though it would be good practice for me with pointers and memory allocation....
4
votes
1answer
117 views
Extreme use of pointers in adjacency list graph construction?
Playing around with pointers in C++, implemented an adjacency list graph.
Am I going too far/extreme trying to place data onto the heap?
graph.h
...
2
votes
1answer
57 views
Linked List implementation of FileSystem directories
I am writing wrapper classes in Java which override methods of an existing implementation, in order to handle an edge case. The full implementation is a bit more complex than needs to be posted here, ...
5
votes
1answer
57 views
Dynamic-sized Hash table with Linked List
Below is an implementation heavily based on climberig's implementation on Leetcode for LeetCode 706. Design HashMap. Just to preface, I am doing this in preparation for an exam.
The one below is ...
5
votes
1answer
71 views
Double LinkedList Deep Copy in Kotlin with Generics and Thread Safety
Goal
Return a deep copy of a double LinkedList.
Each node also contains an additional random pointer, potentially to any node or null.
Code to start
...
2
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0answers
79 views
Async linked list to and from async iterable
I'm working on some stuff that works better with (immutable async) linked lists such as this:
...
4
votes
1answer
501 views
Doubly-linked list with iterators
Writing a double-linked list seemed like a good practice for understanding it. I tried to fix all the errors that were pointed out to me in the last question, as well as add new functionality. In ...
2
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0answers
45 views
Linkedlist & hashmap _duplicates removal
I have implemented a LinkedList removal fo duplicates class by using HashMap.
Looking forward to your reviews.
Thanks.
...
2
votes
1answer
48 views
Proper way of deallocating memory in SLL?
So I'm making my own singly linked list class, with methods that you'd expect such as remove() and insert(). I don't use ...
6
votes
2answers
839 views
Reversing a doubly linked list in C
Looking for feedback on this code to reverse a double linked list. Things I am potentially looking for but missed -> redundant operations, extra / unnecessary arithmetic, improvement in code style. ...
2
votes
2answers
194 views
Deleting a node in a singly linked list?
Please critique the following code on removing a node from a singly linked list, at the moment it seems to me like the code is quite clunky.
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2
votes
1answer
155 views
Double LinkedList Deep Copy in Kotlin
Goal
Return a deep copy of a double LinkedList.
Each node also contains an additional random pointer, potentially to any node or null.
Code to start
...
7
votes
1answer
115 views
Summing digits of a singly linked list
I want to familiarize myself with more data structures. As such I implemented a Node, singly-linked-list, as well as an algorithm to sum the digits of two such lists where each node contains the ...
5
votes
1answer
80 views
How to merge two descending singly linkedlist into one ascending linkedlist using Recursion without any helper method?
Here is my solution:
I want to know if my solution fits the requirement 100%? Or if there is any better solution?
Constraint of the question:
must be singly linkedlist
must use recursion, and no ...
