Algorithm cheat

Algorithm tutorials and simple implementations with unit tests.

1. Implementations
   1. Getting started
   2. src/
   3. data/
   4. test
2. Introduction to algorithms
   1. Beauty: beautiful things about computer science
   2. Algorithms: starting point for those learning about algorithms
      1. [Recursive algorithms](Recursive algorithms.md)
   3. Turing machine
      1. Out of core algorithms
   4. Undecidability
   5. P vs NP
3. Data structures
   1. Graph
      1. Tree
      2. Dijkstra
   2. Map: map.cpp, bst.cpp
      1. Hash map: hash_map.cpp
   3. Heap: Heap.java
4. Sorting algorithms
   1. Quicksort: QuickSort.java, QuickSortTail.java, HeapSort.java
   2. Merge sort
   3. Bubble sort
5. Parsing, formal languages and their automatons
   1. Formal language
   2. Context-free grammar
   3. Regular grammar
   4. Regular language
6. String algorithms
   1. Longest common subsequence
   2. Longest increasing subsequence
   3. Maximum subarray
   4. String search: StringSearchNaive.java, KnuthMorrisPratt.java
7. Cryptography
   1. base64
   2. Cryptography
   3. ECDSA
   4. GPG
   5. md5sum
8. Linear programming
   1. Change making
9. Out-of-core
   1. tac: tac.c, Tac.java
10. Misc algorithms
    1. Hanoi tower
    2. Hash function
    3. XOR-swap
11. Misc
    1. Bitcoin
    2. Decimal data type
    3. Licenses
    4. Quantum computing
    5. Security
12. Bibliography
13. TODO

1. Knapsack
2. Data structures
   1. Crit-bit tree
   2. Disjoint set
   3. Radix tree
   4. Skip list
   5. Set
   6. Trie
   7. RB tree
   8. B-tree
      1. B-tree
      2. B-plus-tree
   9. Graph
      1. Topological sort
      2. A*
      3. B*
      4. Bellman-ford
3. Sorting algorithms
   1. Heap sort
   2. Insertion sort
4. Misc
   1. Error detection