All these repositories are just mirrors of my own Git server at https://create.stephan-brumme.com where you'll find tons of postings along with the code, too.
hash-library. Portable C++ hashing library
564crc32. Fast CRC32
193toojpeg. A JPEG encoder in a single C++ file
155euler. C++ solutions for more than 300 Project Euler problems
149xxhash. A super-fast hash algorithm in a single C++ header
97portable-memory-mapping. Portable Memory Mapping C++ Class (Windows/Linux)
58smallz4. Optimal LZ4 compression
50length-limited-prefix-codes. A collection of various algorithms to produce length-limited prefix codes
24stl-sort. C++ implementation of popular sorting algorithms
14microsat-cpp. A SAT solver in under 300 lines C++
12practical-string-searching. Practical String Searching
12eratosthenes. Parallel Sieve of Eratosthenes / OpenMP
10tiny-regular-expression-matcher. Tiny Regular Expression Matcher
10mersenne-twister. The Mersenne Twister Pseudo Random Number Generator
5binary-search. Binary Search Revisited
3leetcode. more than 2200 Leetcode solutions in Python, C++ and SQL - all written from scratch
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