williamfiset/algorithms

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A collection of algorithms and data structures

Stars: 18.8k
Forks: 4.5k
Open beginner issues: 0
Indexed issues: 30

Dominant language: Java
License: MIT
Last GitHub push: Jun 23, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

30 open issues indexed

Cache README checker workflow result Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

williamfiset/algorithms#1269 · Opened Mar 7, 2026
Add New graphtheory Algorithm - Hungarian algorithm in Java Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

williamfiset/algorithms#435 · 1 reaction · Opened Nov 12, 2024
Add java implementation of the ordered set data structure available in C++ Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

williamfiset/algorithms#413 · 1 comment · Opened Apr 1, 2024
Add New graphtheory Algorithm - Hungarian algorithm in Java Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#404 · 3 comments · 1 reaction · Opened Oct 7, 2023
Add Bhaskara Theorem Calculation Open

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

williamfiset/algorithms#342 · 1 comment · 1 reaction · Opened Sep 12, 2022
Standard Deviation Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

williamfiset/algorithms#338 · 3 comments · Opened Aug 28, 2022
Add New Sorting Algorithm - Comb Sort algorithm in Java Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

williamfiset/algorithms#326 · 1 comment · Opened Aug 10, 2022
Add Quick Select Algorithm Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

williamfiset/algorithms#318 · 2 comments · Opened Aug 6, 2022
Add new test cases and correct old ones for TspDynamicProgrammingIterative Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

williamfiset/algorithms#302 · Opened Feb 23, 2022
adding graph algorithms- hamiltonian cycle Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

williamfiset/algorithms#286 · 2 comments · Opened Oct 20, 2021
About unbounded knapsack, how to figure out which items are included & how many times? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#251 · Opened Feb 18, 2021
Generic Segment Tree Min/Max range update bugs Open

bug Data Structure

Difficulty 5/5 Over a week Newbie friendliness 20/100

williamfiset/algorithms#208 · Opened Jul 30, 2020
Surface missing algorithm contributions Open

williamfiset/algorithms#147 · 1 assignee · Opened Apr 1, 2020
Add Rope data structure implementation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

williamfiset/algorithms#131 · 1 comment · Opened Feb 19, 2020
Suffix array improvements Open

Data Structure enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#86 · 2 comments · Opened Jun 1, 2019
Add B-Tree Implementation Open

Data Structure

williamfiset/algorithms#85 · 7 comments · 1 reaction · 2 assignees · Opened Jun 1, 2019
Add Fenwick Tree with range updates and range queries. Open

Data Structure

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#84 · 1 comment · Opened Jun 1, 2019
Add Cut-Link data structure implementation Open

Data Structure

Difficulty 5/5 Over a week Newbie friendliness 15/100

williamfiset/algorithms#81 · Opened Jun 1, 2019
Add segment tree with coordinate compression Open

Data Structure

Difficulty 5/5 Over a week Newbie friendliness 15/100

williamfiset/algorithms#78 · Opened Jun 1, 2019
Add O(n) construction suffix array implementation Open

Data Structure

williamfiset/algorithms#77 · 2 comments · 1 assignee · Opened Jun 1, 2019
Negative cycles in min cost max flow algorithms Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#67 · 2 comments · Opened Dec 4, 2018
ModPow function broken Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

williamfiset/algorithms#56 · Opened Nov 18, 2017
Add tree heavy-light decomposition Open

Tree related

williamfiset/algorithms#55 · 3 comments · 1 assignee · Opened Oct 25, 2017
Add tree centroid decomposition Open

Tree related

Difficulty 5/5 Over a week Newbie friendliness 20/100

williamfiset/algorithms#54 · 1 comment · Opened Oct 25, 2017
Add suffix array string matching in O(m + log(n)) Open

String algorithm

Difficulty 4/5 3-5 days Newbie friendliness 25/100

williamfiset/algorithms#52 · 1 comment · Opened Oct 25, 2017
Add Aho-Corasick Open

String algorithm

Difficulty 3/5 1-2 days Newbie friendliness 20/100

williamfiset/algorithms#49 · 1 comment · Opened Oct 25, 2017
Add triangle centroid finding algorithm Open

Geometry

williamfiset/algorithms#48 · 1 comment · 1 assignee · Opened Oct 25, 2017
Add finding all complete subgraphs (cliques) in graph Open

Graph theory

williamfiset/algorithms#27 · 1 comment · 1 assignee · Opened Oct 24, 2017
Add longest increasing subsequence O(nlogn) implementation. Open

williamfiset/algorithms#12 · 2 comments · 1 assignee · Opened Oct 24, 2017
Add markov chain algorithm Open

Linear algebra

Difficulty 5/5 Over a week Newbie friendliness 20/100

williamfiset/algorithms#10 · 2 comments · Opened Oct 24, 2017

williamfiset/algorithms

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