Rosetta Code/Count examples/Full list

Full output for the Rosetta Code/Count examples#Perl_6 task. Updated periodically.

Top ten programming language by number of task examples:
① Go
② Perl 6
③ Kotlin
④ Python
⑤ Phix
⑥ Racket
⑦ Perl
⑧ C
⑨ Julia
⑩ Tcl

As of 2019-01-20T16:46:21Z :: Tasks: 924 :: Draft Tasks:215 :: Total Tasks: 1139 :: Total Examples: 59971

Count	Task	Top 10
405	Hello world/Text	①②③④⑤⑥⑦⑧⑨⑩
283	99 Bottles of Beer	①②③④⑤⑥⑦⑧⑨⑩
276	FizzBuzz	①②③④⑤⑥⑦⑧⑨⑩
273	100 doors	①②③④⑤⑥⑦⑧⑨⑩
251	Fibonacci sequence	①②③④⑤⑥⑦⑧⑨⑩
246	Comments	①②③④⑤⑥⑦⑧⑨⑩
239	Factorial	①②③④⑤⑥⑦⑧⑨⑩
223	Empty program	①②③④⑤⑥⑦⑧⑨⑩
222	A+B	①②③④⑤⑥⑦⑧⑨⑩
214	Function definition	①②③④⑤⑥⑦⑧⑨⑩
199	Loops/Infinite	①②③④⑤⑥⑦⑧⑨⑩
197	Ackermann function	①②③④⑤⑥⑦⑧⑨⑩
196	Reverse a string	①②③④⑤⑥⑦⑧⑨⑩
193	Loops/While	①②③④⑤⑥⑦⑧⑨⑩
190	Arrays	①②③④⑤⑥⑦⑧⑨⑩
182	Loops/For	①②③④⑤⑥⑦⑧⑨⑩
180	Conditional structures	①②③④⑤⑥⑦⑧⑨⑩
180	Greatest common divisor	①②③④⑤⑥⑦⑧⑨⑩
177	Greatest element of a list	①②③④⑤⑥⑦⑧⑨⑩
176	Arithmetic/Integer	①②③④⑤⑥⑦⑧⑨⑩
169	Averages/Arithmetic mean	①②③④⑤⑥⑦⑧⑨⑩
167	Integer comparison	①②③④⑤⑥⑦⑧⑨⑩
166	Array concatenation	①②③④⑤⑥⑦⑧⑨⑩
165	Repeat a string	①②③④⑤⑥⑦⑧⑨⑩
163	Boolean values	①②③④⑤⑥⑦⑧⑨⑩
161	Increment a numerical string	①②③④⑤⑥⑦⑧⑨⑩
161	Loops/Downward for	①②③④⑤⑥⑦⑧⑨⑩
156	Copy a string	①②③④⑤⑥⑦⑧⑨⑩
155	Hello world/Graphical	①②③④⑤⑥⑦⑧⑨⑩
155	Loops/For with a specified step	①②③④⑤⑥⑦⑧⑨⑩
153	Even or odd	①②③④⑤⑥⑦⑧⑨⑩
151	Apply a callback to an array	①②③④⑤⑥⑦⑧⑨⑩
151	String length	①②③④⑤⑥⑦⑧⑨⑩
151	Sum and product of an array	①②③④⑤⑥⑦⑧⑨⑩
148	Loops/Foreach	①②③④⑤⑥⑦⑧⑨⑩
147	Character codes	①②③④⑤⑥⑦⑧⑨⑩
147	Loops/Do-while	①②③④⑤⑥⑦⑧⑨⑩
144	Hello world/Newline omission	①②③④⑤⑥⑦⑧⑨⑩
144	Towers of Hanoi	①②③④⑤⑥⑦⑧⑨⑩
143	Sieve of Eratosthenes	①②③④⑤⑥⑦⑧⑨⑩
142	Generic swap	①②③④⑤⑥⑦⑧⑨⑩
142	Integer sequence	①②③④⑤⑥⑦⑧⑨⑩
142	Loops/N plus one half	①②③④⑤⑥⑦⑧⑨⑩
142	String case	①②③④⑤⑥⑦⑧⑨⑩
142	String concatenation	①②③④⑤⑥⑦⑧⑨⑩
141	Hailstone sequence	①②③④⑤⑥⑦⑧⑨⑩
141	Loops/Break	①②③④⑤⑥⑦⑧⑨⑩
141	Palindrome detection	①②③④⑤⑥⑦⑧⑨⑩
140	Binary digits	①②③④⑤⑥⑦⑧⑨⑩
138	Sum of a series	①②③④⑤⑥⑦⑧⑨⑩
138	Sum of squares	①②③④⑤⑥⑦⑧⑨⑩
137	Filter	①②③④⑤⑥⑦⑧⑨⑩
136	Leap year	①②③④⑤⑥⑦⑧⑨⑩
136	Rot-13	①②③④⑤⑥⑦⑧⑨⑩
135	Dot product	①②③④⑤⑥⑦⑧⑨⑩
135	Execute a system command	①②③④⑤⑥⑦⑧⑨⑩
135	Sort an integer array	①②③④⑤⑥⑦⑧⑨⑩
134	Logical operations	①②③④⑤⑥⑦⑧⑨⑩
134	Tokenize a string	①②③④⑤⑥⑦⑧⑨⑩
133	Associative array/Creation	①②③④⑤⑥⑦⑧⑨⑩
130	Array length	①②③④⑤⑥⑦⑧⑨⑩
130	Higher-order functions	①②③④⑤⑥⑦⑧⑨⑩
129	Remove duplicate elements	①②③④⑤⑥⑦⑧⑨⑩
128	File input/output	①②③④⑤⑥⑦⑧⑨⑩
127	Determine if a string is numeric	①②③④⑤⑥⑦⑧⑨⑩
126	Bitwise operations	①②③④⑤⑥⑦⑧⑨⑩
126	Sorting algorithms/Bubble sort	①②③④⑤⑥⑦⑧⑨⑩
125	User input/Text	①②③④⑤⑥⑦⑧⑨⑩
124	Create a file	①②③④⑤⑥⑦⑧⑨⑩
124	Factors of an integer	①②③④⑤⑥⑦⑧⑨⑩
124	Quine	①②③④⑤⑥⑦⑧⑨⑩
124	Read entire file	①②③④⑤⑥⑦⑧⑨⑩
124	Roman numerals/Encode	①②③④⑤⑥⑦⑧⑨⑩
123	Empty string	①②③④⑤⑥⑦⑧⑨⑩
123	Guess the number	①②③④⑤⑥⑦⑧⑨⑩
123	Hello world/Standard error	①②③④⑤⑥⑦⑧⑨⑩
123	Primality by trial division	①②③④⑤⑥⑦⑧⑨⑩
123	System time	①②③④⑤⑥⑦⑧⑨⑩
122	Caesar cipher	①②③④⑤⑥⑦⑧⑨⑩
122	Command-line arguments	①②③④⑤⑥⑦⑧⑨⑩
120	Sorting algorithms/Quicksort	①②③④⑤⑥⑦⑧⑨⑩
118	Check that file exists	①②③④⑤⑥⑦⑧⑨⑩
118	Day of the week	①②③④⑤⑥⑦⑧⑨⑩
118	Literals/String	①②③④⑤⑥⑦⑧⑨⑩
118	Pascal's triangle	①②③④⑤⑥⑦⑧⑨⑩
118	Sleep	①②③④⑤⑥⑦⑧⑨⑩
118	Stack	①②③④⑤⑥⑦⑧⑨⑩
117	Happy numbers	①②③④⑤⑥⑦⑧⑨⑩
117	Loop over multiple arrays simultaneously	①②③④⑤⑥⑦⑧⑨⑩
117	Mutual recursion	①②③④⑤⑥⑦⑧⑨⑩
116	Least common multiple	①②③④⑤⑥⑦⑧⑨⑩
116	Substring	①②③④⑤⑥⑦⑧⑨⑩
115	Loops/Continue	①②③④⑤⑥⑦⑧⑨⑩
115	Luhn test of credit card numbers	①②③④⑤⑥⑦⑧⑨⑩
114	Balanced brackets	①②③④⑤⑥⑦⑧⑨⑩
114	Literals/Integer	①②③④⑤⑥⑦⑧⑨⑩
113	Flatten a list	①②③④⑤⑥⑦⑧⑨⑩
112	Date format	①②③④⑤⑥⑦⑧⑨⑩
112	Include a file	②③④⑤⑥⑦ ⑨⑩
112	Knuth shuffle	①②③④⑤⑥⑦⑧⑨⑩
111	Associative array/Iteration	①②③④⑤⑥⑦⑧⑨⑩
110	Detect division by zero	①②③④⑤⑥⑦⑧⑨⑩
110	Ethiopian multiplication	①②③④⑤⑥⑦⑧⑨⑩
110	Program termination	①②③④⑤⑥⑦⑧⑨⑩
109	Averages/Root mean square	①②③④⑤⑥⑦⑧⑨⑩
109	Compound data type	①②③④⑤⑥⑦⑧⑨⑩
109	File size	①②③④⑤⑥⑦⑧⑨⑩
109	Read a file line by line	①②③④⑤⑥⑦⑧⑨⑩
109	Real constants and functions	①②③④⑤⑥⑦⑧⑨⑩
109	Search a list	①②③④⑤⑥⑦⑧⑨⑩
108	Loops/Nested	①②③④⑤⑥⑦⑧⑨⑩
108	Variables	①②③④⑤⑥⑦⑧⑨⑩
107	Anagrams	①②③④⑤⑥⑦⑧⑨⑩
107	Classes	①②③④ ⑥⑦⑧⑨⑩
107	Formatted numeric output	①②③④⑤⑥⑦⑧⑨⑩
106	ABC Problem	①②③④⑤⑥⑦⑧⑨⑩
106	Averages/Median	①②③④⑤⑥⑦⑧⑨⑩
106	Function composition	①②③④⑤⑥⑦⑧⑨⑩
106	N-queens problem	①②③④⑤⑥⑦⑧⑨⑩
105	Binary search	①②③④⑤⑥⑦⑧⑨⑩
105	Case-sensitivity of identifiers	①②③④⑤⑥⑦⑧⑨⑩
105	Delete a file	①②③④⑤⑥⑦⑧⑨⑩
105	Hostname	①②③④ ⑥⑦ ⑨⑩
105	Null object	①②③④⑤⑥⑦⑧⑨⑩
105	Rename a file	①②③④⑤⑥⑦⑧⑨⑩
104	Hash from two arrays	①②③④⑤⑥⑦⑧⑨⑩
104	Input loop	①②③④⑤⑥⑦⑧⑨⑩
104	Mandelbrot set	①②③④⑤⑥⑦⑧⑨⑩
103	Arithmetic/Complex	①②③④⑤⑥⑦⑧⑨⑩
103	Count in octal	①②③④⑤⑥⑦⑧⑨⑩
103	Generate lower case ASCII alphabet	①②③④⑤⑥⑦⑧⑨⑩
103	Random numbers	①②③④⑤⑥⑦⑧⑨⑩
103	Return multiple values	①②③④⑤⑥⑦⑧⑨⑩
102	Guess the number/With feedback	①②③④⑤⑥⑦⑧⑨⑩
102	Multiplication tables	①②③④⑤⑥⑦⑧⑨⑩
102	Pick random element	①②③④⑤⑥⑦⑧⑨⑩
101	Accumulator factory	①②③④⑤⑥⑦⑧⑨⑩
101	Environment variables	①②③④⑤⑥⑦⑧⑨⑩
101	HTTP	①②③④⑤⑥⑦⑧⑨⑩
101	Identity matrix	①②③④⑤⑥⑦⑧⑨⑩
101	Pangram checker	①②③④⑤⑥⑦⑧⑨⑩
101	Sorting algorithms/Insertion sort	①②③④⑤⑥⑦⑧⑨⑩
100	Assertions	①②③④⑤⑥⑦⑧⑨⑩
100	Averages/Pythagorean means	①②③④⑤⑥⑦⑧⑨⑩
100	Count occurrences of a substring	①②③④⑤⑥⑦⑧⑨⑩
100	Find limit of recursion	①②③④⑤⑥⑦⑧⑨⑩
100	Matrix multiplication	①②③④⑤⑥⑦⑧⑨⑩
100	Matrix transposition	①②③④⑤⑥⑦⑧⑨⑩
100	Perfect numbers	①②③④⑤⑥⑦⑧⑨⑩
99	Create a two-dimensional array at runtime	①②③④⑤⑥⑦⑧⑨⑩
99	Horner's rule for polynomial evaluation	①②③④⑤⑥⑦⑧⑨⑩
99	Roman numerals/Decode	①②③④⑤⑥⑦⑧⑨⑩
99	Zero to the zero power	①②③④⑤⑥⑦⑧⑨⑩
98	String matching	①②③④⑤⑥⑦⑧⑨⑩
97	Catalan numbers	①②③④⑤⑥⑦⑧⑨⑩
97	Haversine formula	①②③④⑤⑥⑦⑧⑨⑩
96	Align columns	①②③④⑤⑥⑦⑧⑨⑩
96	Evaluate binomial coefficients	①②③④⑤⑥⑦⑧⑨⑩
96	Strip a set of characters from a string	①②③④⑤⑥⑦⑧⑨⑩
96	Substring/Top and tail	①②③④⑤⑥⑦⑧⑨⑩
95	Exceptions	①②③④⑤⑥⑦⑧⑨⑩
95	Infinity	①②③④⑤⑥⑦⑧⑨⑩
95	Program name	①②③④⑤⑥⑦⑧⑨⑩
95	Run-length encoding	①②③④⑤⑥⑦⑧⑨⑩
95	Temperature conversion	①②③④⑤⑥⑦⑧⑨⑩
95	Zig-zag matrix	①②③④⑤⑥⑦⑧⑨⑩
94	Arithmetic-geometric mean	①②③④⑤⑥⑦⑧⑨⑩
94	Combinations	①②③④⑤⑥⑦⑧⑨⑩
94	Regular expressions	①②③④⑤⑥⑦⑧⑨⑩
94	Variadic function	①②③④⑤⑥⑦⑧⑨⑩
93	Prime decomposition	①②③④⑤⑥⑦⑧⑨⑩
93	Strip whitespace from a string/Top and tail	①②③④⑤⑥⑦⑧⑨⑩
92	Anonymous recursion	①②③④ ⑥⑦⑧⑨⑩
92	Letter frequency	①②③④⑤⑥⑦⑧⑨⑩
92	String interpolation (included)	①②③④⑤⑥⑦⑧⑨⑩
92	Trigonometric functions	①②③④⑤⑥⑦⑧⑨⑩
91	24 game	①②③④⑤⑥⑦⑧⑨⑩
91	Babbage problem	①②③④⑤⑥⑦⑧⑨⑩
91	Conway's Game of Life	①②③④⑤⑥⑦⑧⑨⑩
91	Short-circuit evaluation	①②③④⑤⑥⑦⑧⑨⑩
90	Collections	①②③④⑤⑥⑦⑧⑨⑩
90	Comma quibbling	①②③④⑤⑥⑦⑧⑨⑩
90	Power set	①②③④⑤⑥⑦⑧⑨⑩
90	Shell one-liner	①②③④ ⑥⑦⑧⑨⑩
90	Sorting algorithms/Selection sort	①②③④⑤⑥⑦⑧⑨⑩
89	Enumerations	①②③④⑤⑥⑦⑧⑨⑩
89	Look-and-say sequence	①②③④⑤⑥⑦⑧⑨⑩
89	Middle three digits	①②③④⑤⑥⑦⑧⑨⑩
89	Permutations	①②③④⑤⑥⑦⑧⑨⑩
89	Reverse words in a string	①②③④⑤⑥⑦⑧⑨⑩
89	Sorting algorithms/Merge sort	①②③④⑤⑥⑦⑧⑨⑩
88	Ordered words	①②③④⑤⑥⑦⑧⑨⑩
88	Queue/Definition	①②③④⑤⑥⑦⑧⑨⑩
88	Random number generator (included)	①②③④⑤⑥⑦⑧⑨⑩
88	Range extraction	①②③④⑤⑥⑦⑧⑨⑩
88	Sierpinski triangle	①②③④⑤⑥⑦⑧⑨⑩
88	Sum multiples of 3 and 5	①②③④⑤⑥⑦⑧⑨⑩
87	Averages/Mode	①②③④⑤⑥⑦⑧⑨⑩
87	Inheritance/Single	①②③④ ⑥⑦⑧⑨⑩
87	One-dimensional cellular automata	①②③④⑤⑥⑦⑧⑨⑩
87	Sequence of non-squares	①②③④⑤⑥⑦⑧⑨⑩
86	First-class functions	①②③④⑤⑥⑦⑧⑨⑩
86	Levenshtein distance	①②③④⑤⑥⑦⑧⑨⑩
85	Arbitrary-precision integers (included)	①②③④⑤⑥⑦⑧⑨⑩
85	Exponentiation operator	①②③④⑤⑥⑦⑧⑨⑩
85	Interactive programming	①②③④ ⑥⑦ ⑨⑩
85	Nth root	①②③④⑤⑥⑦⑧⑨⑩
85	Range expansion	①②③④⑤⑥⑦⑧⑨⑩
85	Walk a directory/Non-recursively	①②③④⑤⑥⑦⑧⑨⑩
85	Y combinator	①②③④⑤⑥⑦⑧⑨⑩
84	Evolutionary algorithm	①②③④⑤⑥⑦⑧⑨⑩
84	MD5	①②③④⑤⑥⑦⑧⑨⑩
84	Sort using a custom comparator	①②③④⑤⑥⑦⑧⑨⑩
84	Sorting algorithms/Gnome sort	①②③④⑤⑥⑦⑧⑨⑩
84	String prepend	①②③④⑤⑥⑦⑧⑨⑩
83	Bulls and cows	①②③④⑤⑥⑦⑧⑨⑩
83	Create an HTML table	①②③④⑤⑥⑦⑧⑨⑩
83	Cumulative standard deviation	①②③④⑤⑥⑦⑧⑨⑩
83	Five weekends	①②③④⑤⑥⑦⑧⑨⑩
83	Time a function	①②③④⑤⑥⑦⑧⑨⑩
82	Call a function	①②③④⑤⑥ ⑧⑨⑩
82	Forward difference	①②③④⑤⑥⑦⑧⑨⑩
82	String append	①②③④⑤⑥⑦⑧⑨⑩
82	Symmetric difference	①②③④⑤⑥⑦⑧⑨⑩
82	Vector products	①②③④⑤⑥⑦⑧⑨⑩
81	Averages/Simple moving average	①②③④⑤⑥⑦⑧⑨⑩
80	Monty Hall problem	①②③④⑤⑥⑦⑧⑨⑩
80	Sum digits of an integer	①②③④⑤⑥⑦⑧⑨⑩
80	Window creation	①②③④⑤⑥⑦⑧⑨⑩
79	Abstract type	①②③④ ⑥⑦⑧⑨⑩
79	Dragon curve	①②③④⑤⑥⑦⑧⑨⑩
79	File modification time	①②③④ ⑥⑦⑧⑨⑩
79	Greatest subsequential sum	①②③④⑤⑥⑦⑧⑨⑩
79	Hamming numbers	①②③④⑤⑥⑦⑧⑨⑩
79	Sierpinski carpet	①②③④⑤⑥⑦⑧⑨⑩
78	Digital root	①②③④⑤⑥⑦⑧⑨⑩
78	Entropy	①②③④⑤⑥⑦⑧⑨⑩
78	Langton's ant	①②③④⑤⑥⑦⑧⑨⑩
78	Price fraction	①②③④⑤⑥⑦⑧⑨⑩
78	Sorting algorithms/Cocktail sort	①②③④⑤⑥⑦⑧⑨⑩
77	Execute Brain****	①②③④⑤⑥⑦⑧⑨⑩
77	Harshad or Niven series	①②③④⑤⑥⑦⑧⑨⑩
77	Simple windowed application	①②③④⑤⑥⑦⑧⑨⑩
76	Hello world/Line printer	①②③④⑤⑥⑦⑧⑨⑩
76	JSON	①②③④⑤⑥⑦⑧⑨⑩
76	Menu	①②③④⑤⑥⑦⑧⑨⑩
76	N'th	①② ⑤⑥ ⑧⑨⑩
76	Non-decimal radices/Convert	①②③④⑤⑥⑦⑧⑨⑩
76	Sorting algorithms/Bogosort	①②③④⑤⑥⑦⑧⑨⑩
76	Tree traversal	①②③④⑤⑥⑦⑧⑨⑩
75	CSV data manipulation	①②③④⑤⑥⑦⑧⑨⑩
75	Closures/Value capture	①②③④⑤⑥⑦⑧⑨⑩
75	Gray code	①②③④⑤⑥⑦⑧⑨⑩
75	Last Friday of each month	①②③④⑤⑥⑦⑧⑨⑩
75	Literals/Floating point	①②③④⑤⑥⑦⑧⑨⑩
75	Man or boy test	①②③④⑤⑥⑦⑧⑨
75	Map range	①②③④⑤⑥⑦⑧⑨⑩
75	Monte Carlo methods	①②③④⑤⑥⑦⑧⑨⑩
75	Queue/Usage	①②③④⑤⑥⑦⑧⑨⑩
75	Set	①②③④⑤⑥⑦⑧⑨⑩
75	The Twelve Days of Christmas	①②③④⑤⑥⑦⑧⑨⑩
74	CSV to HTML translation	①②③④⑤⑥⑦⑧⑨⑩
74	Floyd's triangle	①②③④⑤⑥⑦⑧⑨⑩
74	Introspection	①②③④ ⑥⑦⑧⑨⑩
74	SEDOLs	①②③④⑤⑥⑦⑧⑨⑩
74	Show the epoch	①②③④⑤⑥⑦⑧⑨⑩
74	Spiral matrix	①②③④⑤⑥⑦⑧⑨⑩
74	Web scraping	①②③④ ⑥⑦⑧⑨⑩
73	Amicable pairs	①②③④⑤⑥⑦⑧⑨⑩
73	Box the compass	①②③④⑤⑥⑦⑧⑨⑩
73	Catamorphism	①②③④⑤⑥⑦⑧⑨⑩
73	Number reversal game	①②③④⑤⑥⑦⑧⑨⑩
73	Read a specific line from a file	①②③④⑤⑥⑦⑧⑨⑩
73	Sort an array of composite structures	①②③④⑤⑥⑦⑧⑨⑩
73	URL decoding	①②③④⑤⑥⑦⑧⑨⑩
73	Walk a directory/Recursively	①②③④⑤⑥⑦⑧⑨⑩
73	XML/Input	①②③④ ⑥⑦⑧⑨⑩
72	Abundant, deficient and perfect number classifications	①②③④⑤⑥⑦⑧⑨⑩
72	Bitmap	①②③④⑤⑥⑦⑧⑨⑩
72	Josephus problem	①②③④⑤⑥⑦⑧⑨⑩
72	Singly-linked list/Traversal	①②③④⑤⑥⑦⑧⑨⑩
72	String comparison	①②③④⑤⑥⑦⑧⑨⑩
72	Terminal control/Ringing the terminal bell	①②③④⑤⑥⑦⑧⑨⑩
71	Count in factors	①②③④⑤⑥⑦⑧⑨⑩
71	Number names	①②③ ⑤⑥⑦⑧⑨⑩
71	Playing cards	①②③④⑤⑥⑦⑧⑨⑩
71	Sorting algorithms/Heapsort	①②③④⑤⑥⑦⑧ ⑩
71	Sorting algorithms/Shell sort	①②③④⑤⑥⑦⑧⑨⑩
70	Address of a variable	①②③④⑤⑥⑦ ⑨⑩
70	Concurrent computing	①②③④⑤⑥⑦⑧⑨⑩
70	Dynamic variable names	①②③④⑤⑥⑦ ⑨⑩
70	Knapsack problem/0-1	①②③④⑤⑥⑦⑧⑨⑩
70	List comprehensions	①②③④⑤⑥⑦⑧⑨⑩
70	Special characters	①②③④⑤⑥⑦⑧⑨⑩
70	Top rank per group	①②③④⑤⑥⑦⑧⑨⑩
69	Date manipulation	①②③④⑤⑥⑦⑧⑨⑩
69	Find the missing permutation	①②③④⑤⑥⑦⑧⑨⑩
69	Linear congruential generator	①②③④⑤⑥⑦⑧⑨⑩
69	Long multiplication	①②③④⑤⑥⑦ ⑨⑩
69	Soundex	①②③④⑤⑥⑦⑧⑨⑩
69	Strip comments from a string	①②③④⑤⑥⑦⑧⑨⑩
69	Take notes on the command line	①②③④⑤⑥⑦⑧⑨⑩
69	Terminal control/Clear the screen	①②③④⑤⑥⑦⑧⑨⑩
69	URL encoding	①②③④⑤⑥⑦⑧⑨⑩
68	Find common directory path	①②③④⑤⑥⑦⑧⑨⑩
68	Hello world/Newbie	①②③④⑤⑥⑦⑧⑨⑩
68	Jensen's Device	①②③④⑤⑥⑦⑧⑨⑩
68	Kaprekar numbers	①②③④⑤⑥⑦⑧⑨⑩
68	Non-decimal radices/Output	①②③④⑤⑥⑦⑧⑨⑩
68	Order two numerical lists	①②③④⑤⑥⑦⑧⑨⑩
68	Polymorphism	①②③④⑤⑥⑦⑧⑨⑩
68	Sockets	①②③④ ⑥⑦⑧⑨⑩
67	Fibonacci n-step number sequences	①②③④⑤⑥⑦⑧⑨⑩
67	Find the last Sunday of each month	①②③④⑤⑥⑦⑧⑨⑩
67	Lucas-Lehmer test	①②③④⑤⑥⑦⑧⑨⑩
67	Roots of unity	①②③④⑤⑥⑦⑧⑨⑩
67	Singly-linked list/Element definition	①②③④⑤⑥⑦⑧⑨⑩
67	Unicode variable names	①②③④⑤⑥⑦⑧⑨⑩
67	Word wrap	①②③④⑤⑥⑦⑧⑨⑩
66	Count the coins	①②③④⑤⑥⑦⑧⑨⑩
66	Equilibrium index	①②③④⑤⑥⑦⑧⑨⑩
66	Flow-control structures	①②③④⑤⑥⑦⑧⑨⑩
66	Here document	①②③④⑤⑥⑦⑧⑨⑩
66	Keyboard input/Obtain a Y or N response	①②③④⑤⑥⑦⑧⑨⑩
66	Longest common subsequence	①②③④⑤⑥⑦⑧⑨⑩
66	Multiple distinct objects	①②③④⑤⑥⑦⑧⑨⑩
66	Pythagorean triples	①②③④⑤⑥⑦⑧⑨⑩
66	Sorting algorithms/Comb sort	①②③④⑤⑥⑦⑧⑨⑩
66	Sorting algorithms/Counting sort	①②③④⑤⑥⑦⑧⑨⑩
66	Sorting algorithms/Stooge sort	①②③④⑤⑥⑦⑧⑨⑩
66	Stair-climbing puzzle	①②③④⑤⑥⑦⑧⑨⑩
66	Sudoku	①②③④⑤⑥⑦⑧⑨⑩
65	Anagrams/Deranged anagrams	①②③④⑤⑥⑦⑧⑨⑩
65	Averages/Mean angle	①②③④⑤⑥⑦⑧⑨⑩
65	Bitmap/Bresenham's line algorithm	①②③④⑤⑥⑦⑧⑨⑩
65	Call an object method	①②③④ ⑥⑦ ⑨⑩
65	Compare a list of strings	①②③④⑤⑥⑦⑧⑨⑩
65	Empty directory	①②③④⑤⑥⑦⑧⑨⑩
65	Hofstadter Q sequence	①②③④⑤⑥⑦⑧⑨⑩
65	Multifactorial	①②③④⑤⑥⑦⑧⑨⑩
65	Semordnilap	①②③④⑤⑥⑦⑧⑨⑩
65	Text processing/Max licenses in use	①②③④⑤⑥⑦⑧⑨⑩
65	Vigenère cipher	①②③④⑤⑥⑦⑧⑨⑩
65	Write float arrays to a text file	①②③④⑤⑥⑦⑧⑨⑩
64	Almost prime	②③④⑤⑥⑦⑧⑨⑩
64	Exceptions/Catch an exception thrown in a nested call	①②③④⑤⑥⑦⑧⑨⑩
64	Hello world/Web server	①②③④ ⑥⑦⑧⑨⑩
64	Modular inverse	①②③④⑤⑥⑦⑧⑨⑩
64	Pi	①②③④⑤⑥⑦⑧⑨⑩
64	Sort disjoint sublist	①②③④⑤⑥⑦⑧⑨⑩
64	Trabb Pardo–Knuth algorithm	①②③④⑤⑥⑦⑧⑨⑩
63	Animation	① ③④⑤⑥⑦⑧⑨⑩
63	Convert seconds to compound duration	①②③④⑤⑥⑦⑧⑨⑩
63	Enforced immutability	①②③④⑤⑥⑦⑧⑨⑩
63	Gamma function	①②③④⑤⑥⑦⑧⑨⑩
63	Guess the number/With feedback (player)	①②③④⑤⑥⑦⑧⑨⑩
63	Numerical integration	①②③④⑤⑥⑦⑧⑨⑩
63	Parsing/RPN calculator algorithm	①②③④⑤⑥⑦⑧⑨⑩
63	Read a configuration file	①②③④⑤⑥⑦⑧⑨⑩
62	Closest-pair problem	①②③④⑤⑥⑦⑧⑨⑩
62	IBAN	①②③④⑤⑥⑦⑧⑨⑩
62	Largest int from concatenated ints	①②③④⑤⑥⑦⑧⑨⑩
62	Operator precedence	①②③④⑤⑥⑦⑧⑨⑩
62	Runtime evaluation	①②③④ ⑥⑦ ⑨⑩
62	Sort stability	①②③④⑤⑥⑦⑧⑨⑩
61	Arithmetic/Rational	①②③④⑤⑥⑦⑧⑨⑩
61	CRC-32	①②③④⑤⑥⑦⑧⑨⑩
61	Call a foreign-language function	①②③④⑤⑥⑦ ⑨⑩
61	Catalan numbers/Pascal's triangle	①②③④⑤⑥⑦⑧⑨⑩
61	Draw a sphere	①②③④⑤⑥⑦⑧⑨⑩
61	Fork	①②③④⑤⑥⑦⑧⑨⑩
61	HTTPS	①②③④⑤⑥⑦⑧⑨⑩
61	Horizontal sundial calculations	①②③④⑤⑥⑦⑧⑨⑩
61	Jump anywhere	①②③④⑤⑥⑦⑧⑨⑩
61	Named parameters	①②③④⑤⑥⑦⑧⑨⑩
61	Proper divisors	①②③④⑤⑥⑦⑧⑨⑩
61	Quaternion type	①②③④⑤⑥⑦⑧⑨⑩
61	Rock-paper-scissors	①②③④⑤⑥⑦⑧⑨⑩
61	Self-describing numbers	①②③④⑤⑥⑦⑧⑨⑩
61	Special variables	①②③④⑤⑥⑦⑧⑨⑩
61	Strip control codes and extended characters from a string	①②③④⑤⑥⑦⑧⑨⑩
61	Zeckendorf number representation	①②③④⑤⑥⑦⑧⑨⑩
60	Benford's law	①②③④⑤⑥⑦⑧⑨⑩
60	Calendar	①②③④⑤⑥⑦⑧⑨⑩
60	Constrained random points on a circle	①②③④⑤⑥⑦⑧⑨⑩
60	Execute HQ9+	①②③④⑤⑥⑦⑧⑨⑩
60	Four bit adder	①②③④⑤⑥⑦⑧⑨⑩
60	Magic squares of odd order	①②③④⑤⑥⑦⑧⑨⑩
60	Phrase reversals	①②③④⑤⑥⑦⑧⑨⑩
60	Probabilistic choice	①②③④⑤⑥⑦⑧⑨⑩
60	Roots of a quadratic function	①②③④⑤⑥⑦⑧⑨⑩
59	AKS test for primes	①②③④⑤⑥⑦⑧⑨⑩
59	Amb	①②③ ⑤⑥ ⑨⑩
59	Currying	①②③④⑤⑥⑦⑧⑨⑩
59	Euler method	①②③④⑤⑥⑦⑧⑨⑩
59	Extend your language	①②③④⑤⑥⑦ ⑨⑩
59	Hofstadter-Conway $10,000 sequence	①②③④⑤⑥⑦⑧⑨⑩
59	One of n lines in a file	①②③④⑤⑥⑦⑧⑨⑩
59	Optional parameters	①②③④⑤⑥⑦⑧⑨⑩
59	Priority queue	①②③④⑤⑥⑦⑧⑨⑩
59	Remove lines from a file	①②③④⑤⑥⑦⑧⑨⑩
59	Singly-linked list/Element insertion	①②③④⑤⑥⑦⑧⑨⑩
59	Undefined values	①②③④⑤⑥⑦⑧⑨⑩
59	Variable size/Get	①②③④⑤⑥⑦⑧⑨⑩
58	Combinations with repetitions	①②③④⑤⑥⑦⑧⑨⑩
58	Fractal tree	①②③④⑤⑥⑦⑧⑨⑩
58	Host introspection	①②③④⑤⑥⑦⑧⑨⑩
58	Inheritance/Multiple	①②③④ ⑥⑦ ⑨⑩
58	Maze generation	①②③④⑤⑥⑦⑧⑨⑩
58	Memory allocation	①②③④⑤⑥⑦⑧⑨⑩
58	Roots of a function	①②③④⑤⑥⑦⑧⑨⑩
58	SHA-1	①②③④⑤⑥⑦⑧⑨⑩
58	Van der Corput sequence	①②③④⑤⑥⑦⑧⑨⑩
58	XML/Output	①②③④⑤⑥⑦⑧⑨⑩
57	Fast Fourier transform	①②③④⑤⑥⑦⑧⑨⑩
57	Runge-Kutta method	①②③④⑤⑥⑦⑧⑨⑩
57	SHA-256	①②③④⑤⑥⑦⑧⑨⑩
57	Sorting algorithms/Pancake sort	①②③④⑤⑥⑦⑧⑨⑩
56	Animate a pendulum	①②③④⑤⑥⑦⑧⑨⑩
56	Best shuffle	①②③④⑤⑥⑦⑧⑨⑩
56	Cholesky decomposition	①②③④⑤⑥⑦⑧⑨⑩
56	Documentation	①②③④ ⑥⑦⑧⑨⑩
56	Narcissistic decimal number	①②③④⑤⑥⑦⑧⑨⑩
56	Non-decimal radices/Input	①②③④⑤⑥⑦⑧⑨⑩
56	Split a character string based on change of character	①②③④⑤⑥⑦⑧⑨⑩
56	Write entire file	①②③④⑤⑥⑦⑧⑨⑩
56	Write language name in 3D ASCII	①②③④⑤⑥⑦⑧⑨⑩
56	Yin and yang	①②③④⑤⑥⑦⑧⑨⑩
55	24 game/Solve	①②③④⑤⑥⑦⑧⑨⑩
55	Euler's sum of powers conjecture	①②③④⑤⑥⑦⑧⑨
55	Factors of a Mersenne number	①②③④⑤⑥⑦⑧⑨⑩
55	Globally replace text in several files	①②③④⑤⑥⑦⑧⑨⑩
55	Knapsack problem/Unbounded	①②③④⑤⑥⑦⑧⑨⑩
55	Old lady swallowed a fly	①②③④⑤⑥⑦⑧⑨⑩
55	Partial function application	①②③④⑤⑥⑦⑧⑨⑩
55	Pernicious numbers	①②③④⑤⑥⑦⑧⑨⑩
55	Repeat	①②③④⑤⑥⑦⑧⑨⑩
55	Sorting algorithms/Sleep sort	①②③④⑤⑥⑦⑧⑨⑩
55	Stem-and-leaf plot	①②③④⑤⑥⑦⑧⑨⑩
54	Brownian tree	①②③④⑤⑥⑦⑧⑨⑩
54	Circles of given radius through two points	①②③④⑤⑥⑦⑧⑨⑩
54	Huffman coding	①②③④⑤⑥⑦⑧ ⑩
54	LZW compression	①②③④⑤⑥⑦⑧⑨⑩
54	Miller–Rabin primality test	①②③④⑤⑥⑦⑧⑨⑩
54	Morse code	①②③④⑤⑥⑦⑧⑨⑩
54	Odd word problem	①②③④⑤⑥⑦⑧⑨⑩
54	Plot coordinate pairs	①②③④⑤⑥⑦⑧⑨⑩
54	Reduced row echelon form	①②③④⑤⑥⑦⑧⑨⑩
54	Test a function	①②③④ ⑥⑦⑧⑨⑩
53	Add a variable to a class instance at runtime	①②③④ ⑦ ⑨⑩
53	Arithmetic evaluation	①②③④⑤⑥⑦⑧⑨⑩
53	Averages/Mean time of day	①②③④⑤⑥⑦⑧⑨⑩
53	Binary strings	①②③④⑤⑥ ⑧⑨⑩
53	Chinese remainder theorem	①②③④⑤⑥⑦⑧⑨⑩
53	Extreme floating point values	①②③④⑤⑥⑦⑧⑨⑩
53	Forest fire	①② ④⑤⑥⑦⑧⑨⑩
53	Knapsack problem/Continuous	①②③④⑤⑥⑦⑧⑨⑩
53	Rosetta Code/Rank languages by popularity	①②③④ ⑥⑦⑧ ⑩
53	Semiprime	②③④⑤⑥⑦⑧⑨⑩
53	Sequence of primes by trial division	①②③④⑤⑥⑦⑧⑨⑩
53	Sorting algorithms/Bead sort	①②③④⑤⑥⑦⑧⑨⑩
53	Stack traces	①②③④⑤⑥⑦⑧⑨⑩
53	XML/XPath	①②③④ ⑥⑦⑧⑨⑩
52	Bitmap/Write a PPM file	①②③④⑤⑥⑦⑧⑨⑩
52	Continued fraction	①②③④⑤⑥⑦⑧⑨⑩
52	Dinesman's multiple-dwelling problem	①②③④⑤⑥⑦⑧⑨⑩
52	Fibonacci word	①②③④⑤⑥⑦⑧⑨⑩
52	Hash join	①②③④⑤⑥⑦ ⑨⑩
52	Random number generator (device)	①②③④⑤⑥⑦⑧⑨⑩
52	Rep-string	①②③④⑤⑥⑦⑧⑨⑩
52	Runtime evaluation/In an environment	①②③④ ⑥⑦ ⑨⑩
52	Scope modifiers	①②③④⑤⑥⑦⑧⑨⑩
52	Send email	①②③④ ⑥⑦⑧⑨⑩
52	Singleton	①②③④ ⑥⑦⑧⑨⑩
52	Sorting algorithms/Permutation sort	①②③④⑤⑥⑦⑧⑨⑩
52	Synchronous concurrency	①②③④⑤⑥⑦⑧⑨⑩
52	Tic-tac-toe	①②③④⑤⑥⑦⑧⑨⑩
52	Truncate a file	①②③④⑤⑥⑦⑧⑨⑩
51	Compile-time calculation	①②③ ⑤⑥⑦⑧⑨⑩
51	DNS query	①②③ ⑥⑦ ⑨⑩
51	Deal cards for FreeCell	①②③④⑤⑥⑦⑧⑨⑩
51	Draw a clock	①②③④⑤⑥⑦⑧⑨⑩
51	Dutch national flag problem	①②③④⑤⑥⑦⑧⑨⑩
51	Pointers and references	①②③④⑤⑥⑦ ⑨⑩
51	Unix/ls	①②③④⑤⑥⑦⑧⑨⑩
51	User input/Graphical	①②③④⑤⑥⑦⑧⑨⑩
50	General FizzBuzz	①②③④⑤⑥⑦⑧⑨⑩
50	Generator/Exponential	①②③④⑤⑥⑦⑧⑨⑩
50	I before E except after C	①②③④⑤⑥⑦⑧⑨⑩
50	Knight's tour	①②③④⑤⑥⑦⑧⑨⑩
50	Modular exponentiation	①②③④⑤⑥⑦⑧⑨⑩
50	Multisplit	①②③④⑤⑥⑦⑧⑨⑩
50	Munching squares	①②③④⑤⑥⑦⑧⑨⑩
50	Nested function	①②③④⑤⑥⑦⑧⑨⑩
50	Terminal control/Display an extended character	①②③④⑤⑥⑦⑧ ⑩
49	Define a primitive data type	①②③④⑤⑥⑦ ⑨⑩
49	Delegates	①②③④⑤⑥⑦⑧⑨⑩
49	Draw a cuboid	①②③④⑤⑥⑦⑧⑨⑩
49	Handle a signal	①②③④⑤⑥⑦⑧⑨⑩
49	Maximum triangle path sum	②③④⑤⑥⑦⑧⑨⑩
49	Mouse position	①②③④⑤⑥⑦⑧ ⑩
49	Munchausen numbers	①②③④⑤⑥⑦⑧⑨
49	Non-continuous subsequences	①②③④⑤⑥⑦⑧⑨⑩
49	Seven-sided dice from five-sided dice	①②③④⑤⑥⑦⑧⑨⑩
49	Topological sort	①②③④⑤⑥⑦⑧⑨⑩
49	Truncatable primes	①②③ ⑤⑥⑦⑧⑨⑩
49	Unbias a random generator	①②③④⑤⑥⑦⑧⑨⑩
49	Wireworld	①② ④⑤⑥⑦⑧⑨⑩
48	15 Puzzle Game	①②③④⑤⑥⑦⑧⑨⑩
48	Doubly-linked list/Element definition	①②③④⑤⑥⑦⑧⑨⑩
48	Grayscale image	①②③④⑤⑥⑦⑧⑨⑩
48	Integer overflow	①②③④⑤⑥⑦⑧⑨⑩
48	Modulinos	② ④⑤⑥⑦⑧ ⑩
48	Respond to an unknown method call	①②③④⑤⑥⑦ ⑨⑩
48	Sierpinski triangle/Graphical	①②③④⑤⑥⑦⑧⑨⑩
48	Statistics/Basic	①②③④⑤⑥⑦⑧⑨⑩
48	Thue-Morse	①②③④⑤⑥⑦⑧⑨⑩
48	Two Sum	①②③④⑤⑥⑦⑧⑨
48	Unicode strings	①②③④⑤⑥⑦⑧⑨⑩
48	XML/DOM serialization	①②③④ ⑥⑦⑧⑨⑩
47	Inverted syntax	①②③④ ⑥⑦⑧⑨⑩
47	JortSort	①②③④⑤⑥⑦⑧⑨⑩
47	Left factorials	①②③④⑤⑥⑦⑧⑨⑩
47	Mad Libs	①②③④⑤⑥⑦ ⑨⑩
47	Population count	①②③④⑤⑥⑦⑧⑨⑩
47	Table creation/Postal addresses	①②③ ⑤⑥⑦⑧⑨
47	Ternary logic	①②③④⑤⑥⑦⑧⑨⑩
47	Text processing/2	①②③④⑤⑥⑦⑧⑨⑩
46	Color of a screen pixel	① ③④⑤⑥ ⑧⑨⑩
46	Convert decimal number to rational	①②③④⑤⑥⑦⑧⑨⑩
46	Dining philosophers	①②③④⑤⑥⑦⑧⑨⑩
46	Emirp primes	①②③④⑤⑥⑦⑧⑨⑩
46	First-class functions/Use numbers analogously	①②③④⑤⑥⑦ ⑨⑩
46	Get system command output	①②③④ ⑥ ⑧⑨⑩
46	Iterated digits squaring	①②③④⑤⑥⑦⑧⑨⑩
46	Matrix-exponentiation operator	①②③④⑤⑥⑦⑧⑨⑩
46	Quickselect algorithm	①②③④⑤⑥⑦⑧⑨⑩
46	Stable marriage problem	①②③④⑤⑥⑦⑧⑨⑩
46	Text processing/1	①②③④⑤⑥⑦⑧⑨⑩
45	9 billion names of God the integer	①②③④⑤⑥⑦⑧⑨⑩
45	Calculating the value of e	①②③④⑤⑥⑦⑧⑨⑩
45	Heronian triangles	①②③④⑤⑥⑦⑧⑨⑩
45	Longest increasing subsequence	①②③④⑤⑥⑦⑧⑨⑩
45	Ludic numbers	①②③④⑤⑥⑦⑧⑨⑩
45	Polymorphic copy	①②③④⑤⑥⑦⑧⑨⑩
45	Sort three variables	①②③④⑤⑥⑦⑧⑨⑩
45	Terminal control/Cursor positioning	①②③④⑤⑥⑦ ⑩
44	Barnsley fern	①②③④⑤⑥⑦⑧⑨
44	Bernoulli numbers	①②③④⑤⑥⑦⑧⑨⑩
44	Department Numbers	①②③④⑤⑥⑦⑧⑨⑩
44	Discordian date	①②③④⑤⑥⑦⑧⑨⑩
44	Echo server	①②③④ ⑥⑦⑧⑨⑩
44	Exponentiation order	①②③④⑤⑥⑦⑧⑨⑩
44	Greyscale bars/Display	①②③④⑤⑥⑦⑧⑨⑩
44	Move-to-front algorithm	①②③④⑤⑥⑦⑧⑨⑩
44	Send an unknown method call	①②③④⑤⑥⑦ ⑨⑩
44	Strip block comments	①②③④⑤⑥⑦⑧⑨⑩
44	Terminal control/Coloured text	①②③④⑤⑥⑦⑧⑨⑩
44	Zebra puzzle	①②③④⑤⑥⑦⑧⑨⑩
43	4-rings or 4-squares puzzle	①②③④⑤ ⑦⑧⑨⑩
43	Call a function in a shared library	②③④⑤⑥ ⑧⑨⑩
43	Doubly-linked list/Element insertion	①②③④⑤⑥⑦⑧⑨⑩
43	Doubly-linked list/Traversal	①②③④⑤⑥ ⑧⑨⑩
43	FASTA format	①②③④ ⑥⑦⑧⑨⑩
43	GUI component interaction	①②③④⑤⑥ ⑧⑨⑩
43	Keyboard input/Keypress check	①②③④⑤⑥⑦⑧⑨⑩
43	Rate counter	①②③④⑤⑥⑦⑧⑨⑩
43	Universal Turing machine	①②③④⑤⑥⑦⑧ ⑩
42	Bitmap/Read a PPM file	①②③④⑤⑥⑦⑧⑨⑩
42	Determine if only one instance is running	①②③④⑤⑥⑦⑧⑨⑩
42	Extensible prime generator	①②③ ⑤⑥ ⑧⑨⑩
42	Hofstadter Figure-Figure sequences	①② ④⑤⑥⑦⑧⑨⑩
42	Longest string challenge	①②③④⑤⑥⑦⑧⑨⑩
42	Make directory path	①②③④⑤⑥⑦⑧⑨⑩
42	Metaprogramming	①②③④⑤⑥⑦⑧⑨⑩
42	Perfect shuffle	①②③④⑤⑥⑦⑧⑨⑩
42	Polynomial regression	①②③④⑤⑥⑦⑧⑨⑩
42	Rosetta Code/Count examples	①② ④ ⑥⑦ ⑩
42	Search a list of records	①②③④⑤⑥⑦⑧⑨⑩
42	Smith numbers	①②③④⑤⑥⑦⑧⑨⑩
42	Subleq	①②③④⑤⑥⑦⑧⑨⑩
42	Verify distribution uniformity/Naive	①②③④⑤⑥⑦⑧⑨⑩
41	Execute a Markov algorithm	①②③④⑤⑥⑦⑧⑨⑩
41	Extract file extension	①②③④⑤⑥⑦⑧⑨⑩
41	Holidays related to Easter	①②③④⑤⑥⑦⑧⑨⑩
41	Image noise	①②③④⑤⑥⑦⑧⑨⑩
41	Leonardo numbers	①②③④⑤⑥⑦⑧⑨
41	OpenGL	① ③④⑤⑥⑦⑧ ⑩
41	Polynomial long division	①②③④⑤⑥⑦⑧⑨⑩
40	Angle difference between two bearings	①②③④⑤⑥⑦⑧⑨⑩
40	Atomic updates	①②③④⑤⑥⑦⑧⑨⑩
40	Cartesian product of two or more lists	①②③④⑤⑥⑦⑧⑨⑩
40	Dijkstra's algorithm	①②③④⑤⑥⑦⑧⑨⑩
40	Fractran	①②③④⑤⑥⑦⑧⑨⑩
40	History variables	①②③④⑤⑥⑦ ⑨⑩
40	Last letter-first letter	①②③④⑤⑥⑦⑧⑨⑩
40	Parsing/Shunting-yard algorithm	①②③④⑤⑥⑦⑧⑨⑩
40	Percentage difference between images	①②③④⑤⑥⑦⑧⑨⑩
40	Problem of Apollonius	①②③④⑤⑥⑦⑧⑨⑩
40	Set consolidation	①②③④⑤⑥⑦⑧⑨⑩
40	Sparkline in unicode	①②③④⑤⑥⑦⑧⑨⑩
40	Stern-Brocot sequence	①②③④⑤⑥⑦⑧⑨⑩
40	Subtractive generator	①②③④⑤⑥⑦⑧⑨⑩
39	Bitmap/Flood fill	① ③④⑤⑥⑦⑧⑨⑩
39	Bitmap/Midpoint circle algorithm	①②③④⑤⑥ ⑨⑩
39	Digital root/Multiplicative digital root	①②③④⑤⑥⑦⑧⑨⑩
39	Doubly-linked list/Definition	①②③④⑤⑥ ⑧⑨⑩
39	Element-wise operations	①②③④⑤⑥⑦⑧⑨⑩
39	Farey sequence	①②③④⑤⑥⑦⑧⑨⑩
39	Narcissist	①②③④⑤⑥⑦⑧⑨⑩
39	Pascal matrix generation	①②③④⑤⑥⑦⑧⑨⑩
39	Pig the dice game	①②③④⑤⑥⑦ ⑨⑩
39	Secure temporary file	①②③④ ⑥⑦⑧⑨⑩
39	Twelve statements	①②③④⑤⑥⑦ ⑨⑩
39	Validate International Securities Identification Number	①②③④⑤⑥⑦⑧⑨⑩
39	Variable size/Set	①②③④ ⑥⑦⑧⑨⑩
39	Visualize a tree	①②③④⑤⑥⑦⑧⑨⑩
38	Append a record to the end of a text file	①②③④⑤⑥⑦⑧⑨⑩
38	Archimedean spiral	①②③④⑤⑥⑦⑧⑨⑩
38	Average loop length	①②③④⑤⑥⑦⑧⑨⑩
38	Base64 encode data	①②③④⑤⑥⑦⑧⑨⑩
38	Calendar - for "REAL" programmers	①②③ ⑤⑥⑦ ⑨⑩
38	Colour bars/Display	①②③④⑤⑥⑦⑧⑨⑩
38	GUI enabling/disabling of controls	①②③④⑤⑥ ⑧⑨⑩
38	Naming conventions	①②③④⑤⑥⑦⑧⑨⑩
38	Sattolo cycle	①②③④⑤⑥⑦⑧⑨
38	Sorting algorithms/Strand sort	①②③④⑤⑥⑦⑧ ⑩
38	Sum to 100	①②③④⑤⑥⑦⑧⑨⑩
37	2048	①②③④⑤ ⑧⑨⑩
37	Active object	① ③④ ⑥⑦⑧⑨⑩
37	CUSIP	①②③④⑤⑥⑦⑧⑨⑩
37	Determinant and permanent	①②③④⑤⑥⑦⑧⑨⑩
37	Inverted index	①②③④⑤⑥⑦⑧⑨⑩
37	Kronecker product	①②③④⑤⑥⑦⑧⑨⑩
37	Longest common prefix	①②③④⑤⑥⑦⑧⑨⑩
37	MD5/Implementation	①②③④⑤⑥⑦⑧ ⑩
37	Parametric polymorphism	①②③ ⑤⑥ ⑧⑨
37	Permutations by swapping	①②③④⑤⑥⑦⑧⑨⑩
37	Permutations/Derangements	①②③④⑤⑥⑦⑧⑨⑩
37	Terminal control/Dimensions	①②③④⑤⑥⑦⑧ ⑩
37	Tokenize a string with escaping	①②③④⑤⑥⑦⑧⑨⑩
36	Bulls and cows/Player	①②③④⑤⑥⑦⑧⑨⑩
36	GUI/Maximum window dimensions	① ③④⑤⑥⑦⑧⑨⑩
36	Gaussian elimination	①②③④⑤⑥⑦⑧⑨⑩
36	Generate Chess960 starting position	①②③④⑤⑥⑦⑧⑨⑩
36	Hickerson series of almost integers	①②③④⑤⑥⑦⑧⑨⑩
36	Knapsack problem/Bounded	①②③④⑤⑥⑦⑧⑨⑩
36	Knuth's algorithm S	①②③④⑤⑥⑦⑧⑨⑩
36	Password generator	②③④⑤⑥⑦⑧⑨
36	Ray-casting algorithm	①②③④⑤⑥⑦⑧⑨⑩
36	Topswops	①②③④⑤⑥⑦⑧⑨⑩
36	Ulam spiral (for primes)	①②③④⑤⑥⑦⑧⑨⑩
36	Variable-length quantity	①②③④⑤⑥⑦⑧⑨⑩
36	Vector	①②③④⑤⑥⑦⑧⑨⑩
35	Aliquot sequence classifications	①②③④⑤⑥⑦⑧⑨⑩
35	Carmichael 3 strong pseudoprimes	①②③④⑤⑥⑦⑧⑨⑩
35	Deepcopy	①②③④⑤⑥ ⑧⑨⑩
35	Find the intersection of two lines	①②③④⑤⑥⑦⑧⑨
35	Order disjoint list items	①②③④⑤⑥⑦ ⑨⑩
35	Parallel calculations	①②③④ ⑥⑦⑧⑨⑩
35	Pascal's triangle/Puzzle	①②③④⑤⑥⑦⑧⑨⑩
35	Self-referential sequence	①②③④⑤⑥⑦⑧⑨⑩
35	Sorting algorithms/Radix sort	①②③④⑤⑥⑦⑧ ⑩
35	Statistics/Normal distribution	①②③④⑤⑥⑦⑧⑨⑩
35	Taxicab numbers	①②③④⑤⑥⑦⑧⑨⑩
35	Vampire number	①②③④⑤⑥⑦⑧⑨⑩
34	Balanced ternary	①②③④⑤⑥⑦ ⑨⑩
34	Break OO privacy	①②③④ ⑦ ⑨⑩
34	Combinations and permutations	①②③④⑤⑥⑦⑧⑨⑩
34	Constrained genericity	①②③ ⑥ ⑨
34	Events	①② ④⑤⑥⑦⑧⑨⑩
34	Jaro distance	①②③④ ⑥⑦⑧⑨⑩
34	Keyboard input/Flush the keyboard buffer	① ③④⑤⑥⑦⑧⑨⑩
34	Metered concurrency	①②③④⑤⑥⑦⑧⑨⑩
34	S-Expressions	①②③④⑤⑥⑦⑧⑨⑩
34	Speech synthesis	①②③④ ⑥⑦⑧ ⑩
34	Voronoi diagram	①②③④⑤⑥⑦⑧⑨⑩
33	Chaos game	①②③④⑤ ⑦⑧⑨
33	Chinese zodiac	①②③④⑤⑥⑦⑧⑨⑩
33	Egyptian division	①②③④⑤⑥⑦⑧⑨
33	Elementary cellular automaton	①②③④⑤⑥⑦⑧⑨⑩
33	Function prototype	①②③ ⑤⑥⑦⑧⑨
33	Longest Common Substring	①②③④⑤⑥⑦⑧⑨
33	MD4	①②③④⑤⑥⑦⑧⑨⑩
33	Minesweeper game	①② ④⑤⑥⑦⑧⑨⑩
33	Multiline shebang	①② ④ ⑥⑦⑧ ⑩
33	Object serialization	①②③④⑤⑥⑦ ⑨⑩
33	Parsing/RPN to infix conversion	①②③④⑤⑥⑦⑧⑨⑩
33	Permutation test	①②③④⑤⑥⑦⑧⑨⑩
33	Permutations with repetitions	①②③④⑤⑥⑦⑧⑨⑩
33	Sailors, coconuts and a monkey problem	①②③④⑤⑥⑦⑧⑨⑩
33	Start from a main routine	②③ ⑤⑥⑦⑧⑨⑩
33	Test integerness	①②③④⑤⑥⑦⑧⑨⑩
33	Water collected between towers	①②③④⑤⑥⑦⑧⑨⑩
32	Colour pinstripe/Display	①②③④⑤⑥⑦⑧⑨⑩
32	Fibonacci word/fractal	①②③④⑤⑥⑦⑧⑨⑩
32	Find palindromic numbers in both binary and ternary bases	①②③ ⑤⑥⑦⑧⑨⑩
32	Floyd-Warshall algorithm	①②③④⑤⑥⑦⑧⑨⑩
32	LU decomposition	①②③④⑤⑥⑦⑧⑨⑩
32	Numerical integration/Gauss-Legendre Quadrature	①②③④⑤⑥⑦⑧⑨⑩
32	Scope/Function names and labels	①②③④⑤⑥ ⑧⑨⑩
32	Sorting Algorithms/Circle Sort	①②③④⑤⑥⑦⑧⑨
32	Terminal control/Hiding the cursor	①②③④⑤⑥⑦⑧ ⑩
32	Terminal control/Inverse video	①②③④⑤⑥⑦⑧ ⑩
32	Terminal control/Unicode output	①②③④⑤⑥⑦⑧⑨⑩
31	Bitmap/Bézier curves/Cubic	①②③④⑤⑥ ⑧⑨⑩
31	Casting out nines	①②③④⑤⑥⑦ ⑨⑩
31	Flipping bits game	①②③④⑤⑥⑦⑧⑨⑩
31	Input/Output for Pairs of Numbers	①②③④⑤⑥⑦⑧ ⑩
31	Musical scale	①②③④⑤⑥ ⑧ ⑩
31	Ordered Partitions	①②③④⑤⑥⑦⑧⑨⑩
31	Pinstripe/Display	①②③④⑤⑥⑦⑧⑨⑩
31	Primorial numbers	①②③④⑤⑥⑦⑧⑨
31	Pythagorean quadruples	①②③④⑤⑥⑦⑧⑨
31	Ranking methods	①②③④⑤⑥⑦⑧⑨⑩
30	Bitcoin/address validation	①②③④⑤⑥⑦⑧⑨⑩
30	Bitmap/Histogram	①②③④⑤⑥ ⑧⑨⑩
30	Bitwise IO	①②③④ ⑥⑦⑧⑨⑩
30	File extension is in extensions list	①②③④⑤⑥⑦⑧⑨⑩
30	Input/Output for Lines of Text	①②③④⑤⑥⑦⑧⑨⑩
30	Julia set	①②③④⑤⑥⑦⑧⑨
30	Lychrel numbers	①②③ ⑤ ⑨⑩
30	Maze solving	①②③④⑤⑥⑦⑧⑨⑩
30	Parametrized SQL statement	①②③④⑤⑥⑦⑧⑨⑩
30	Pathological floating point problems	①②③④⑤⑥⑦⑧⑨
30	Penney's game	①②③ ⑤⑥⑦⑧⑨⑩
30	QR decomposition	①② ④⑤⑥ ⑧⑨⑩
30	Read a file character by character/UTF8	①②③④⑤⑥⑦⑧⑨⑩
30	Resistor mesh	①②③④⑤⑥⑦⑧⑨⑩
30	Simple database	①②③④⑤⑥⑦⑧⑨⑩
30	Topic variable	①②③④⑤⑥⑦ ⑨
30	Truth table	①②③④⑤⑥⑦⑧⑨⑩
30	Word count	①②③④⑤⑥⑦ ⑨
29	Bitmap/Bézier curves/Quadratic	①②③④⑤⑥ ⑧⑨⑩
29	Conjugate transpose	①②③④⑤⑥⑦⑧⑨⑩
29	Jewels and Stones	①②③④⑤⑥⑦⑧⑨
29	Keyboard macros	①②③④⑤⑥ ⑧⑨⑩
29	Magic squares of doubly even order	①②③④⑤ ⑧⑨
29	Multiple regression	①②③④⑤⑥ ⑧⑨⑩
29	Parse command-line arguments	①②③④⑤⑥⑦⑧⑨⑩
29	RSA code	①②③④⑤⑥⑦⑧⑨⑩
29	Shoelace formula for polygonal area	①②③④⑤⑥⑦⑧⑨
29	Subset sum problem	①②③④⑤⑥⑦⑧ ⑩
29	Sutherland-Hodgman polygon clipping	① ③④⑤⑥ ⑧ ⑩
28	Arithmetic-geometric mean/Calculate Pi	①②③④⑤⑥⑦⑧⑨⑩
28	Brace expansion	①②③④⑤⑥⑦ ⑨⑩
28	Continued fraction/Arithmetic/Construct from rational number	①②③④⑤⑥⑦⑧⑨⑩
28	Currency	①②③④⑤⑥⑦⑧⑨⑩
28	Damm algorithm	①②③④⑤⑥⑦⑧⑨
28	Executable library	② ④⑤⑥⑦⑧⑨⑩
28	Multiplicative order	①②③④⑤⑥⑦⑧⑨⑩
28	RIPEMD-160	①②③④⑤⑥⑦ ⑨⑩
28	Rosetta Code/Find unimplemented tasks	①② ⑥⑦ ⑩
28	Solve a Hidato puzzle	①②③④⑤⑥⑦⑧⑨⑩
28	Text between	①②③④⑤⑥⑦⑧⑨
28	UTF-8 encode and decode	①②③④⑤⑥⑦⑧⑨⑩
28	Use another language to call a function	① ③④⑤⑥ ⑧ ⑩
28	Xiaolin Wu's line algorithm	①②③④⑤⑥⑦⑧⑨⑩
28	Zhang-Suen thinning algorithm	①②③④⑤⑥⑦⑧⑨⑩
27	Cantor set	①②③④⑤⑥⑦⑧
27	Check output device is a terminal	①②③④ ⑥⑦⑧⑨⑩
27	First class environments	①②③④⑤⑥⑦⑧⑨⑩
27	Formal power series	①②③④⑤⑥⑦⑧⑨⑩
27	Galton box animation	①②③④⑤⑥ ⑧⑨⑩
27	Integer roots	①②③④⑤⑥⑦⑧⑨⑩
27	Loops/Increment loop index within loop body	①②③④⑤ ⑦⑧⑨⑩
27	Memory layout of a data structure	①②③④⑤⑥⑦ ⑨⑩
27	Metronome	①②③④⑤⑥⑦⑧⑨⑩
27	Numeric error propagation	①②③④⑤⑥⑦⑧⑨⑩
27	Pattern matching	①②③ ⑤⑥⑦ ⑩
27	Prime conspiracy	①②③④⑤ ⑦ ⑨
27	Set puzzle	①②③④⑤⑥⑦⑧⑨⑩
27	Solve the no connection puzzle	①②③④⑤⑥ ⑨⑩
27	Straddling checkerboard	①②③④⑤⑥ ⑧⑨⑩
27	Stream Merge	①②③ ⑤⑥⑦⑧⑨⑩
27	Terminal control/Preserve screen	①②③④⑤⑥⑦⑧ ⑩
26	Check Machin-like formulas	①②③④⑤⑥⑦ ⑨⑩
26	Checkpoint synchronization	①②③ ⑥⑦⑧⑨⑩
26	Cramer's rule	①②③④⑤⑥⑦⑧⑨⑩
26	Create a file on magnetic tape	①②③④ ⑥ ⑧ ⑩
26	Deconvolution/1D	①②③④⑤⑥⑦⑧⑨⑩
26	Distributed programming	①② ④ ⑥⑦⑧⑨⑩
26	Entropy/Narcissist	①②③④⑤⑥⑦⑧⑨⑩
26	Execute SNUSP	①②③④⑤⑥⑦⑧⑨⑩
26	Implicit type conversion	①②③④⑤⑥⑦⑧ ⑩
26	Nautical bell	①②③④⑤⑥⑦⑧⑨⑩
26	Paraffins	①②③④⑤⑥⑦⑧⑨⑩
26	Pentagram	①②③④⑤⑥⑦⑧⑨⑩
26	Pragmatic directives	①②③④⑤⑥⑦⑧⑨⑩
26	Pythagoras tree	①②③④⑤⑥⑦⑧⑨
26	Rosetta Code/Fix code tags	①② ④ ⑥⑦ ⑨⑩
26	Set of real numbers	①②③④⑤⑥⑦⑧⑨⑩
26	Sort a list of object identifiers	①②③④⑤⑥⑦ ⑨⑩
26	Sorting algorithms/Cycle sort	①②③④⑤⑥⑦⑧⑨⑩
26	Square but not cube	①②③④⑤⑥⑦⑧⑨
26	State name puzzle	①②③④⑤⑥⑦⑧⑨⑩
26	Substitution Cipher	①②③④⑤⑥⑦⑧⑨⑩
26	URL parser	①②③④⑤⑥⑦ ⑨⑩
26	Update a configuration file	①②③④⑤⑥⑦⑧⑨⑩
26	Write to Windows event log	① ③④ ⑥⑦⑧⑨⑩
25	Active Directory/Connect	① ③④ ⑥⑦⑧ ⑩
25	Arena storage pool	①②③④⑤⑥ ⑧⑨⑩
25	Death Star	①② ④⑤⑥⑦⑧⑨⑩
25	Decimal floating point number to binary	①②③④⑤⑥ ⑩
25	Find first and last set bit of a long integer	①②③④⑤⑥⑦⑧⑨⑩
25	Find largest left truncatable prime in a given base	①②③④⑤⑥⑦⑧⑨⑩
25	Find the intersection of a line with a plane	①②③④ ⑥⑦⑧⑨
25	HTTPS/Authenticated	①②③④⑤⑥⑦⑧⑨⑩
25	MAC Vendor Lookup	①②③④ ⑥⑦⑧⑨⑩
25	Natural sorting	①②③④⑤⑥⑦⑧⑨⑩
25	Negative base numbers	①②③④⑤⑥ ⑧⑨
25	Partition an integer X into N primes	①②③④⑤⑥⑦ ⑨
25	Same Fringe	①② ④⑤⑥⑦⑧⑨⑩
25	Table creation	② ④⑤⑥ ⑧⑨⑩
25	Terminal control/Cursor movement	①②③④⑤⑥⑦⑧ ⑩
25	Textonyms	①②③④⑤⑥⑦ ⑨⑩
25	Verify distribution uniformity/Chi-squared test	①②③④⑤⑥⑦⑧⑨⑩
24	Chat server	①②③④ ⑥⑦⑧⑨⑩
24	Check input device is a terminal	①②③④ ⑥⑦⑧⑨⑩
24	Create an object at a given address	①②③ ⑤⑥ ⑧⑨⑩
24	Cycle detection	①②③④⑤⑥⑦ ⑨
24	FTP	①②③④ ⑥⑦⑧⑨⑩
24	Multi-dimensional array	①②③④⑤⑥ ⑧⑨⑩
24	Poker hand analyser	①②③④⑤⑥⑦⑧⑨⑩
24	Rosetta Code/Find bare lang tags	② ⑥⑦⑧ ⑩
24	Safe addition	① ③④⑤⑥ ⑧⑨⑩
24	Sorting algorithms/Patience sort	①②③④⑤⑥⑦⑧ ⑩
24	The ISAAC Cipher	①②③④⑤⑥⑦⑧⑨⑩
23	Draw a pixel	①②③④⑤⑥⑦⑧⑨
23	Egyptian fractions	①②③④⑤⑥⑦ ⑨⑩
23	Fivenum	①②③④⑤⑥⑦⑧⑨
23	Go Fish	①②③④⑤⑥ ⑧ ⑩
23	Hough transform	①②③④⑤⑥⑦⑧⑨⑩
23	Image convolution	①②③④ ⑥ ⑧⑨⑩
23	Kahan summation	①②③④⑤⑥ ⑩
23	Kernighans large earthquake problem	①②③④⑤⑥⑦⑧⑨⑩
23	Old Russian measure of length	①②③④⑤⑥⑦⑧⑨⑩
23	Polyspiral	①②③④⑤⑥ ⑧⑨
23	Ramsey's theorem	①②③④⑤⑥⑦⑧ ⑩
23	Reflection/List methods	①②③④⑤ ⑨⑩
23	Simulate input/Keyboard	①②③④ ⑥⑦⑧ ⑩
23	Solve a Holy Knight's tour	①②③④⑤⑥⑦ ⑨⑩
23	Sum and Product Puzzle	①②③④⑤⑥⑦ ⑨
23	Superellipse	①②③④⑤⑥⑦⑧⑨
23	Window creation/X11	①②③④ ⑥⑦⑧⑨⑩
22	Abbreviations, automatic	①②③④⑤ ⑦ ⑨⑩
22	Display a linear combination	①②③④⑤⑥⑦⑧⑨⑩
22	Euler's identity	①②③④⑤⑥⑦⑧⑨
22	Function frequency	①② ④⑤⑥⑦⑧⑨⑩
22	Honeycombs	③④⑤⑥⑦⑧⑨⑩
22	Modular arithmetic	①②③④⑤⑥⑦ ⑨⑩
22	Percolation/Mean run density	①②③④⑤⑥⑦⑧⑨⑩
22	Permutations/Rank of a permutation	①②③④⑤⑥⑦⑧⑨⑩
22	Reflection/List properties	①②③④ ⑨⑩
22	The Name Game	①②③④⑤ ⑧⑨
22	Type detection	①②③ ⑤⑥⑦⑧⑨
22	Welch's t-test	①②③④⑤⑥⑦⑧⑨⑩
21	Anti-primes	①②③④⑤ ⑦⑧⑨
21	Bacon cipher	①②③④⑤⑥⑦⑧⑨
21	Birthday problem	①②③④⑤⑥ ⑧⑨⑩
21	Card shuffles	①②③④⑤⑥⑦ ⑨⑩
21	Cut a rectangle	①②③④⑤⑥⑦⑧⑨⑩
21	Decision tables	①②③④⑤⑥ ⑧ ⑩
21	Dice game probabilities	①②③④⑤⑥⑦⑧⑨⑩
21	Faulhaber's formula	①②③ ⑤⑥⑦ ⑨
21	Idiomatically determine all the lowercase and uppercase letters	①②③④⑤⑥⑦ ⑨⑩
21	K-means++ clustering	①②③④⑤⑥ ⑧⑨⑩
21	Plasma effect	①②③④⑤⑥⑦⑧
21	Play recorded sounds	① ④ ⑥ ⑩
21	Sequence of primorial primes	①②③④⑤⑥⑦⑧⑨
21	Thiele's interpolation formula	①②③④⑤⑥ ⑧⑨⑩
21	Window management	①② ④⑤⑥⑦⑧⑨⑩
20	Kronecker product based fractals	①②③④⑤ ⑦⑧⑨
20	Main step of GOST 28147-89	①②③④⑤⑥ ⑧⑨⑩
20	Make a backup file	①②③④⑤⑥ ⑨⑩
20	Playfair cipher	①②③④⑤ ⑦ ⑩
20	RCRPG	①② ④ ⑥⑦⑧ ⑩
20	Recaman's sequence	①②③④⑤ ⑦⑧⑨
20	SOAP	②③④ ⑦⑧ ⑩
20	Spinning rod animation/Text	①②③④⑤ ⑦⑧⑨
20	Square-free integers	①②③④⑤⑥⑦⑧⑨
20	Total circles area	①②③④⑤⑥ ⑧⑨⑩
20	World Cup group stage	①②③④⑤⑥⑦ ⑩
20	Yahoo! search interface	③④ ⑥⑦ ⑩
19	AVL tree	① ③④⑤ ⑧ ⑩
19	Apply a digital filter (direct form II transposed)	①②③④⑤ ⑧⑨
19	AudioAlarm	① ③④ ⑥ ⑩
19	Elliptic curve arithmetic	①②③④⑤⑥⑦⑧⑨⑩
19	Idiomatically determine all the characters that can be used for symbols	①②③④ ⑥⑦ ⑨⑩
19	Magic 8-Ball	①②③④⑤⑥⑦⑧
19	Median filter	①②③④⑤⑥ ⑧⑨⑩
19	Nonoblock	① ③④⑤⑥ ⑨⑩
19	Parallel Brute Force	①②③④ ⑥⑦⑧⑨
19	Parse an IP Address	①②③④ ⑥⑦⑧⑨⑩
19	Pig the dice game/Player	①② ④⑤⑥ ⑩
19	RPG Attributes Generator	①②③④⑤⑥ ⑧⑨
19	Record sound	③④ ⑥ ⑧⑨⑩
19	Show Ascii table	①②③④⑤ ⑦⑧⑨
19	Simulate input/Mouse	①②③④ ⑥ ⑧⑨⑩
19	Sokoban	①②③④⑤⑥⑦⑧⑨⑩
19	Solve a Numbrix puzzle	①②③④⑤⑥⑦ ⑨⑩
19	Tonelli-Shanks algorithm	①②③④⑤⑥⑦ ⑨
18	Active Directory/Search for a user	① ④ ⑧ ⑩
18	Chebyshev coefficients	①②③ ⑤⑥⑦⑧⑨
18	Cipolla's algorithm	①②③④⑤⑥⑦
18	Compiler/lexical analyzer	①② ④⑤⑥⑦⑧⑨
18	Create an object/Native demonstration	①②③④⑤⑥⑦ ⑩
18	Draw a rotating cube	①②③④⑤⑥ ⑧⑨⑩
18	Faulhaber's triangle	①②③④⑤⑥⑦
18	Feigenbaum constant calculation	①②③④⑤⑥⑦⑧
18	Largest number divisible by its digits	①②③④⑤ ⑦⑧⑨
18	Lucky and even lucky numbers	①②③④⑤ ⑦ ⑨⑩
18	Machine code	① ③④⑤⑥ ⑧ ⑩
18	Magic squares of singly even order	①②③④⑤ ⑧⑨
18	Perlin noise	①②③④⑤⑥⑦⑧ ⑩
18	Reverse the gender of a string	①②③④⑤⑥⑦ ⑩
18	Sort numbers lexicographically	①②③ ⑤ ⑦⑧
18	Superpermutation minimisation	①②③④⑤⑥⑦⑧
18	Video display modes	①②③ ⑤
18	Word break problem	①②③④⑤⑥⑦ ⑨
17	Bilinear interpolation	①②③④⑤⑥ ⑧⑨⑩
17	Deming's Funnel	①②③④⑤⑥⑦ ⑩
17	Determine if two triangles overlap	① ③④⑤⑥ ⑧⑨
17	Elementary cellular automaton/Random Number Generator	①②③④ ⑥⑦⑧ ⑩
17	Levenshtein distance/Alignment	①②③ ⑤⑥⑦⑧⑨⑩
17	Linux CPU utilization	①②③④ ⑥ ⑧⑨⑩
17	Long primes	①②③④⑤⑥⑦⑧⑨
17	McNuggets Problem	①②③④⑤ ⑦⑧⑨
17	Ramer-Douglas-Peucker line simplification	①②③④⑤⑥⑦ ⑨
17	Reflection/Get source	①②③④⑤ ⑨⑩
17	SQL-based authentication	①②③④ ⑥⑦⑧⑨⑩
17	Safe primes and unsafe primes	①②③④⑤ ⑦ ⑨
17	Sierpinski pentagon	①②③④ ⑥⑦⑧⑨
17	Solve a Hopido puzzle	①②③④⑤⑥ ⑨⑩
16	Base58Check encoding	①②③④⑤⑥⑦ ⑨
16	Color quantization	①②③④⑤⑥ ⑧ ⑩
16	Convex hull	①②③④ ⑥
16	Eertree	①②③④⑤⑥⑦ ⑨
16	Four is magic	①②③④⑤⑥⑦ ⑨
16	Generate random chess position	①②③④⑤ ⑧⑨
16	HTTPS/Client-authenticated	①②③④⑤⑥⑦ ⑨⑩
16	Index finite lists of positive integers	①②③④⑤⑥⑦ ⑨⑩
16	Markov chain text generator	①②③④⑤ ⑦ ⑨
16	Mersenne primes	①②③④ ⑦ ⑨
16	Mind boggling card trick	①②③④⑤ ⑦ ⑨
16	N-body problem	①②③④⑤ ⑧ ⑩
16	Selective File Copy	①②③ ⑤ ⑦
16	Shortest common supersequence	①②③④⑤⑥⑦⑧ ⑩
16	Vogel's approximation method	①②③④⑤⑥ ⑧⑨⑩
15	A* search algorithm	① ③④⑤⑥ ⑧⑨
15	Abbreviations, simple	①②③④⑤⑥⑦ ⑨
15	Assertions in design by contract	①②③ ⑥ ⑩
15	Bitcoin/public point to address	①② ④⑤⑥⑦⑧⑨⑩
15	Commatizing numbers	①②③④⑤⑥⑦ ⑨
15	Diversity prediction theorem	①②③ ⑤ ⑦⑧⑨
15	Elementary cellular automaton/Infinite length	①②③④ ⑥⑦ ⑩
15	I.Q. Puzzle	①②③④⑤⑥⑦
15	Joystick position	④ ⑩
15	K-d tree	①②③④⑤⑥ ⑧ ⑩
15	Loops/with multiple ranges	①②③④⑤ ⑦⑧⑨
15	NYSIIS	①②③④⑤⑥⑦ ⑨⑩
15	Names to numbers	①②③④⑤⑥⑦ ⑩
15	Native shebang	①② ④ ⑥⑦⑧
15	Orbital elements	①②③④⑤ ⑦⑧
15	Readline interface	①②③ ⑤⑥ ⑧⑨
15	Rendezvous	①② ⑤⑥ ⑧⑨⑩
15	Sexy primes	①②③④⑤ ⑦⑧⑨
15	Snake And Ladder	①②③④⑤⑥⑦
15	Vigenère cipher/Cryptanalysis	① ③④⑤⑥ ⑧⑨⑩
14	Abbreviations, easy	①②③④⑤ ⑦ ⑨⑩
14	Bitmap/Read an image through a pipe	①②③④ ⑥ ⑧⑨⑩
14	Cheryl's Birthday	①②③④⑤ ⑦
14	Copy stdin to stdout	①② ④
14	Data Encryption Standard	① ③④⑤ ⑧
14	Find duplicate files	①② ④ ⑥⑦ ⑩
14	Knuth's power tree	①②③④⑤⑥⑦ ⑨
14	Kolakoski sequence	①②③④⑤ ⑦⑧⑨
14	Law of cosines - triples	①②③④⑤ ⑦ ⑨
14	List rooted trees	①②③④ ⑥ ⑧
14	Loops/Wrong ranges	①②③④⑤ ⑦⑧⑨
14	Montgomery reduction	①②③④⑤⑥⑦ ⑩
14	Most frequent k chars distance	①②③④⑤⑥⑦ ⑩
14	P-value correction	①②③④⑤ ⑦⑧⑨
14	Percolation/Bond percolation	①②③④⑤⑥ ⑧⑨⑩
14	Percolation/Site percolation	①②③④⑤⑥ ⑧⑨⑩
14	Perfect totient numbers	①② ④⑤ ⑦⑧⑨
14	Polynomial synthetic division	①②③④⑤⑥⑦ ⑩
14	Separate the house number from the street name	①②③④⑤⑥⑦ ⑩
14	Untrusted environment	①②③ ⑥⑦⑧ ⑩
14	Zeckendorf arithmetic	①②③ ⑤⑥ ⑨⑩
13	Arithmetic coding/As a generalized change of radix	①②③④⑤ ⑦
13	Aspect Oriented Programming	①②③④ ⑧ ⑩
13	Bitmap/PPM conversion through a pipe	①②③④ ⑥ ⑧⑨⑩
13	Color wheel	①②③④⑤ ⑦
13	Find URI in text	①②③ ⑥ ⑩
13	Hilbert curve	①②③ ⑤ ⑦⑧⑨
13	Kosaraju	①②③④⑤⑥ ⑨
13	Matrix chain multiplication	①②③ ⑤ ⑦⑧⑨
13	Monads/Maybe monad	① ③
13	Perceptron	① ③ ⑤⑥
13	Percolation/Mean cluster density	①②③④⑤⑥ ⑧⑨⑩
13	Primes - allocate descendants to their ancestors	①②③④⑤⑥⑦⑧
13	Retrieve and search chat history	①② ⑥ ⑧⑨⑩
13	Strong and weak primes	①② ④⑤ ⑦ ⑨
13	Terminal control/Positional read	①②③④⑤⑥ ⑧
13	Totient function	①② ④⑤ ⑦⑧⑨
13	Transportation problem	①②③ ⑤⑥ ⑨
12	Compare sorting algorithms' performance	① ③④⑤ ⑧ ⑩
12	Finite state machine	①②③ ⑤⑥ ⑧
12	Fixed length records	①② ⑤ ⑦ ⑨
12	Free polyominoes enumeration	① ③④ ⑥
12	Monads/List monad	①②③
12	Nested templated data	①② ④⑤⑥⑦ ⑨
12	Spelling of ordinal numbers	①②③④⑤ ⑦ ⑨
12	Topological sort/Extracted top item	①②③④⑤⑥⑦⑧ ⑩
11	Burrows–Wheeler transform	①②③④⑤ ⑦⑧
11	Compiler/code generator	④⑤ ⑦⑧
11	Compiler/virtual machine interpreter	④⑤ ⑦⑧
11	EKG sequence convergence	①②③④⑤ ⑦⑧⑨
11	File size distribution	①②③④ ⑥⑦⑧⑨
11	Gauss-Jordan matrix inversion	①②③ ⑤ ⑦ ⑨
11	Koch curve	①②③ ⑤ ⑦⑧
11	Nonogram solver	① ③④⑤⑥
11	Particle Swarm Optimization	① ③ ⑤⑥
11	Proof	⑩
11	Self-hosting compiler	①②③④⑤
11	Snake	①②③ ⑤ ⑦
11	Sunflower fractal	①② ⑤ ⑦⑧
11	Word search	① ③④⑤⑥
11	XML Validation	① ③④ ⑦⑧
10	Addition chains	① ③ ⑤ ⑧
10	Church Numerals	① ④⑤ ⑨
10	Code segment unload	③④ ⑥ ⑩
10	Compiler/syntax analyzer	④⑤ ⑦⑧⑨
10	Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N)	①②③④ ⑥ ⑩
10	Imaginary base numbers	①②③ ⑤
10	Peano curve	①② ⑤⑥⑦⑧⑨
10	Singly-linked list/Element removal	①②③ ⑤ ⑧⑨
10	Suffix tree	①②③ ⑤⑥⑦
10	VList	① ③ ⑤⑥ ⑧
9	Canny edge detector	① ⑧⑨⑩
9	Compiler/AST interpreter	④⑤ ⑦⑧
9	Deconvolution/2D+	①② ⑤ ⑧ ⑩
9	Generalised floating point addition	① ③ ⑤⑥ ⑩
9	Hunt The Wumpus	② ⑤
9	Just in time processing on a character stream	① ③ ⑩
9	Mastermind	①②③ ⑦
9	OpenWebNet Password	①②③ ⑥
8	15 puzzle solver	① ④⑤⑥ ⑨
8	ASCII art diagram converter	①② ⑤⑥ ⑩
8	Banker's algorithm	① ③ ⑤⑥ ⑧
8	Chaocipher	①②③ ⑤ ⑦⑧
8	Draw pixel 2	①②③ ⑤ ⑦⑧
8	Four is the number of letters in the ...	①②③ ⑤ ⑦ ⑨
8	Mayan numerals	①② ④
8	Monads/Writer monad	① ③
8	Parse EBNF	①② ⑤ ⑩
8	Run as a daemon or service	② ⑥ ⑧ ⑩
8	Tarjan	①②③ ⑤ ⑦
8	Vibrating rectangles	①② ④⑤ ⑦⑧
7	21 Game	①② ⑤ ⑦ ⑨
7	Combinations with repetitions/Square Digit Chain	①②③ ⑤
7	IPC via named pipe	① ⑥ ⑧ ⑩
7	Morpion solitaire	① ⑥ ⑧
7	Penrose tiling	①②③ ⑤ ⑦
7	Pentomino tiling	① ③ ⑤
7	Railway circuit	① ③ ⑤⑥
7	Spoof game	① ③ ⑤ ⑧
7	Starting a web browser	② ⑤⑥⑦ ⑩
7	Suffixation of decimal numbers	①② ⑤ ⑦
7	Tetris	⑨
7	Time-based One-time Password Algorithm	① ⑥ ⑩
7	User defined pipe and redirection operators	①② ⑥⑦ ⑩
7	Using a Speech engine to highlight words	① ⑩
6	Audio frequency generator	⑩
6	Catmull–Clark subdivision surface	⑧ ⑩
6	Factorial base numbers indexing permutations of a collection	①② ⑤ ⑨
6	French Republican calendar	①②③ ⑦
6	Numerical and alphabetical suffixes	①② ⑤
6	Numerical integration/Adaptive Simpson's method	①②③ ⑤ ⑧
6	One-time pad	①②③ ⑤⑥ ⑩
6	OpenGL Pixel Shader	① ③ ⑥ ⑧ ⑩
6	Pinstripe/Printer	⑤⑥ ⑩
6	Simulated annealing	① ⑤ ⑨
6	Sorting algorithms/Tree sort on a linked list	③ ⑤⑥
5	Addition-chain exponentiation	① ⑤⑥ ⑧ ⑩
5	Base64 decode data	①② ⑤
5	Colour pinstripe/Printer	⑤⑥ ⑩
5	Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N1, Contined Fraction N2)	①②③ ⑩
5	Curve that touches three points	①② ⑤ ⑦
5	Fibonacci heap	① ③④⑤
5	Functional coverage tree	① ③④ ⑥
5	Geometric algebra	①②
5	Greed	③ ⑤
5	Matrix Digital Rain	①② ⑦
5	Multidimensional Newton-Raphson method	①②③
5	OpenGL/Utah Teapot	① ③ ⑤ ⑧
5	Robots	②③ ⑤
5	Rosetta Code/Run examples	② ⑩
5	Text to HTML	① ⑤⑥ ⑩
4	OLE Automation	① ④
4	Remote agent/Agent interface	① ⑧ ⑩
4	Remote agent/Agent logic	① ⑧ ⑩
4	Remote agent/Simulation	① ⑧ ⑩
4	Sine wave	①②③ ⑤
4	Terminal control/Restricted width positional input/No wrapping	①②③ ⑤
4	Terminal control/Restricted width positional input/With wrapping	①②③ ⑤
4	Using the Meetup.com API	① ④
3	Audio Overlap Loop	① ⑩
3	Boids	⑤ ⑧
3	Elliptic Curve Digital Signature Algorithm	① ⑧
3	Hexapawn	①
3	I'm a software engineer, get me out of here	① ⑤
3	Rosetta Code/Rank languages by number of users	②
3	Rosetta Code/Tasks without examples	②
3	Solve a Rubik's Cube	① ③ ⑤
2	16 Puzzle Game
2	Chess player	④
2	External sort
2	Process SMIL directives in XML data	① ⑩
2	Recursive descent parser generator
2	Tamagotchi emulator
1	15 Puzzle Game in 3D
1	Black Box
1	Generalised floating point multiplication
1	IRC gateway	⑩
1	Mayan calendar	②
1	Rosetta Code/List authors of task descriptions	②
1	Solving coin problems	⑦
1	Unicode polynomial equation	⑤
0	Blackjack strategy
0	Chess player/Move generation
0	Chess player/Program options and user interface
0	Chess player/Search and evaluation
0	Rosetta Code/Tasks sorted by average lines of code
0	Ukkonen’s Suffix Tree Construction
0	Waveform analysis/Doh ray me
0	Waveform analysis/Top and tail
0	Weather Routing