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#

unordered-map

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Here are 56 public repositories matching this topic...

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greg7mdp / parallel-hashmap

Star 3.2k

A family of header-only, very fast and memory-friendly hashmap and btree containers.

concurrency parallel hash multi-thread tables parallel-programming memory-footprint unordered-map unordered-set hash-container
  • Updated Nov 6, 2026
  • C++

martinus / unordered_dense

Sponsor
Star 1.5k

A fast & densely stored hashmap and hashset

c-plus-plus cpp hash cpp17 stl-containers no-dependencies hash-tables unordered-map unordered-set header-only-library
  • Updated Nov 11, 2026
  • C++

gaujay / indivi_collection

Star 45

A collection of std-like containers written in C++11. Features fast unordered flat map/set, configurable double-ended vector and sparse deque.

benchmark container simd sparse std deque open-addressing double-ended unordered-map unordered-set erase-friendly devector sparque
  • Updated Oct 11, 2026
  • C++

springkim / OpenCSTL

Sponsor
Star 27

Drop-in C++ STL for C — same push_back, insert, begin/end. Header-only.

c map set list stack queue datastructures vector c99 container priority-queue header-only stl-containers c11 deque c17 unordered-map unordered-set c23 cstl
  • Updated Jun 16, 2026
  • C

renzibei / hashtable-bench

Star 25

A benchmark for hash tables and hash functions in C++, evaluate on different data as comprehensively as possible

benchmark cpp hash hash-map hashmap hashtable hash-table hash-tables unordered-map
  • Updated Jun 16, 2026
  • C++

karel-burda / constexpr-hash-map

Star 23

Compile-time single-header hash-map written in C++ 17

cpp constexpr array templates hash-map header-only cpp17 compile-time hash-table no-dependencies constant constexpr-context compile-time-meta-programming unordered-map constexpr-constructors
  • Updated Feb 5, 2026
  • C++
libdsc

cm-jones / libdsc

Sponsor
Star 18

C++ STL containers reimplemented in C

c linked-list libraries containers data-structures vectors stacks hash-tables queues sets linked-lists unordered-map unordered-set hash-maps
  • Updated Aug 28, 2025
  • C

morzhovets / momo

Star 13

C++ template containers with optimized memory consumption

optimization hash-map data-structures hash-table b-tree memory-pool unordered-map hash-container
  • Updated Nov 10, 2026
  • C++

gAAAAABkUSRAxUciCMbZ5-9L / Header-Based-Data-Structures

Star 9

A collection of generic header only data structures written in C

c cpp boost data-structures unordered-map boostcpp adts-library flat-map header-only-library unordered-flat-map
  • Updated Sep 4, 2026
  • C

mkostoevr / cdict

Star 5

A simple dictionary implementation in C

c map dictionary header-only no-dependencies independent dependency-free associative-array unordered-map
  • Updated Dec 30, 2024
  • C

Exerg / WaitFreeCollections

Star 4

Wait Free collections in C++

cpp hashmap cpp17 wait-free unordered-map
  • Updated Jan 10, 2019
  • CMake

bas524 / ConcurrentHashMap

Star 3

Concurrent HashMap C++

lambda concurrency unordered-map
  • Updated Apr 21, 2020
  • C++

hordi / hash

Star 3

Fast C++ flat (open addressing) hash set, map

hashing map set cpp hash unordered-map unordered-set
  • Updated Jan 16, 2026
  • C++

danieldotwav / Parentheses-Validation

Star 3

A robust C++ solution for validating parentheses in strings. This project features a well-tested algorithm that handles different types of parentheses, including (), {}, and []. It is designed to cover a wide range of scenarios, from simple to complex nested structures, ensuring the correct ordering and pairing of parentheses.

validation stack algorithms cpp data-structures coding-challenge string-processing associative-array unordered-map
  • Updated Dec 30, 2023
  • C++

somyalalwani / Unordered-Map

Star 3

Implement an Unordered Map in C++ using Hash Functions. Without any inbuilt function of C++.

hashing hashing-algorithm unordered-map
  • Updated Apr 24, 2021
  • C++

mostafa-cse / STL

Star 2

Collection of STL and algorithms code snippets with tutorials for quick reference and learning.

map set list stack queue vector array priority-queue deque unordered-map unordered-set
  • Updated Jun 21, 2025
  • C++

p-groarke / fea_unsigned_map

Star 2

A collection of slot maps and hash maps optimized for unsigned keys.

stl hash-map flatmap unordered-maps unordered-map slotmap unsigned-keys
  • Updated Aug 1, 2021
  • C++

debbynirwan / hash_table

Star 2

Simple implementation of Hash Table in C++. It's mainly intended to show how hash tables are implemented by libraries like STL.

hashtable unordered-map under-the-hood
  • Updated Jun 7, 2023
  • C++

abmdevx / inventory-cli

Star 2

A console-based, multi-role E-Commerce Inventory Management System in C++. Simulates a marketplace with Admin, Seller, and Buyer roles — manage stores, products, inventory, and sales using unordered_maps and stacks. Built with OOP, class inheritance, and STL containers. Windows CLI app (conio.h/windows.h).

windows cli ecommerce cplusplus cpp oop university-project stl data-structures console-application student-project object-oriented-programming unordered-map
  • Updated Aug 29, 2026
  • C++

Ahmed-Arafat10 / STLs-Library

Star 1

Documentation Of C++ Standard Template Library (STLs) Used In Competitive Programming

map set list stack queue cpp vector priority-queue competitive-programming stl-containers dequeue forward-list unordered-map unordered-set
  • Updated Mar 20, 2026
  • C++

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