99-programming-problems-high-resolution-logo-black-transparent

L-99: Ninety-Nine Lisp Problems

#41

#42

#43

#44

#45

#49

P49 - Gray code

#50

P50 - Huffman code

#51

P51 - Huffman code (1)

#52

P52 - Huffman code (2)

#53

P53 - Huffman code (3)

#56

P56 - Symmetric binary trees

#57

#58

P58 - Generate and test paradigm