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Polymorphic copy (see task description)

Guess the number (see task description)

Hunt the Wumpus (see task description)

N'th (see task description)

Remove duplicate elements (see task description)

Determine if a string is numeric (see task description)

Entropy (see task description)

Generic swap (see task description)

Least common multiple (see task description)

Roots of unity (see task description)

Substring/Top and tail (see task description)

Call an object method (see task description)

ABC problem (see task description)

Multisplit (see task description)

Mouse position (see task description)

Animation (see task description)

Draw a clock (see task description)

Greatest common divisor (see task description)

Case-sensitivity of identifiers (see task description)

Even or odd (see task description)

Hash from two arrays (see task description)

Associative array/Iteration (see task description)

Leap year (see task description)

Temperature conversion (see task description)

Averages/Simple moving average (see task description)

Reverse a string (see task description)

Loops/For (see task description)

Loops/For with a specified step (see task description)

Levenshtein distance (see task description)

Range extraction (see task description)

Show ASCII table (see task description)

Barnsley fern (see task description)

Loops/Foreach (see task description)

Shoelace formula for polygonal area (see task description)

Range expansion (see task description)

Keyboard input/Obtain a Y or N response (see task description)

Reverse words in a string (see task description)

Filter (see task description)

Tokenize a string (see task description)

Word wrap (see task description)

RPG attributes generator (see task description)

Sum of a series (see task description)

Loops/Downward for (see task description)

Zero to the zero power (see task description)

Pig the dice game (see task description)

Caesar cipher (see task description)

Ackermann function (see task description)

The Twelve Days of Christmas (see task description)

Magic 8-ball (see task description)

Spinning rod animation/Text (see task description)

Averages/Median (see task description)

99 bottles of beer (see task description)

Self-describing numbers (see task description)

Happy numbers (see task description)

Collections (see task description)

Function composition (see task description)

Cumulative standard deviation (see task description)

100 doors (see task description)

String concatenation (see task description)

Abbreviations, simple (see task description)

General FizzBuzz (see task description)

Look-and-say sequence (see task description)

Palindrome detection (see task description)

Stack (see task description)

Babbage problem (see task description)

Two sum (see task description)

24 game (see task description)

Flipping bits game (see task description)

Keyboard input/Keypress check (see task description)

Square but not cube (see task description)

Mandelbrot set (see task description)

Arrays (see task description)

Associative array/Merging (see task description)

Hofstadter Q sequence (see task description)

Averages/Arithmetic mean (see task description)

Integer comparison (see task description)

Repeat a string (see task description)

Strip comments from a string (see task description)

Greatest element of a list (see task description)

Infinity (see task description)

Longest common prefix (see task description)

Middle three digits (see task description)

String comparison (see task description)

Copy a string (see task description)

Factors of an integer (see task description)

Generate Chess960 starting position (see task description)

Mutual recursion (see task description)

Phrase reversals (see task description)

Random numbers (see task description)

Sum of squares (see task description)

Parsing/RPN calculator algorithm (see task description)

Execute HQ9+ (see task description)

Sum multiples of 3 and 5 (see task description)

Towers of Hanoi (see task description)

Boolean values (see task description)

Split a character string based on change of character (see task description)

Number names (see task description)

String matching (see task description)

Time a function (see task description)

Fibonacci sequence (see task description)

Pangram checker (see task description)

Playing cards (see task description)

Luhn test of credit card numbers (see task description)

Bulls and cows (see task description)

Associative array/Creation (see task description)

Factorial (see task description)

RCRPG (see task description)

Loops/While (see task description)

A+B (see task description)

Generate lower case ASCII alphabet (see task description)

Array concatenation (see task description)

Rot-13 (see task description)

Text between (see task description)

100 prisoners (see task description)

Arithmetic evaluation (see task description)

Conditional structures (see task description)

Add a variable to a class instance at runtime (see task description)

Array length (see task description)

String case (see task description)

Vector products (see task description)

Trigonometric functions (see task description)

Nested function (see task description)

Classes (see task description)

Nim game (see task description)

Quine (see task description)

Singly-linked list/Traversal (see task description)

Empty program (see task description)

Hello world/Newbie (see task description)

Compound data type (see task description)

Function definition (see task description)

Binary digits (see task description)

Balanced brackets (see task description)

Hello world/Text (see task description)

Count occurrences of a substring (see task description)