An overview of draft tasks and their number of solutions:

10001th prime {{#arraysize:temp}}
15 puzzle game in 3D {{#arraysize:temp}}
16 puzzle game {{#arraysize:temp}}
3d turtle graphics {{#arraysize:temp}}
A* search algorithm {{#arraysize:temp}}
ABC words {{#arraysize:temp}}
ASCII control characters {{#arraysize:temp}}
Air mass {{#arraysize:temp}}
Anaprimes {{#arraysize:temp}}
Append numbers at same position in strings {{#arraysize:temp}}
Apéry's constant {{#arraysize:temp}}
Arithmetic coding/As a generalized change of radix {{#arraysize:temp}}
Aspect oriented programming {{#arraysize:temp}}
Assertions in design by contract {{#arraysize:temp}}
Audio alarm {{#arraysize:temp}}
Audio frequency generator {{#arraysize:temp}}
Audio overlap loop {{#arraysize:temp}}
Autogram checker {{#arraysize:temp}}
B-spline {{#arraysize:temp}}
Bacon cipher {{#arraysize:temp}}
Banker's algorithm {{#arraysize:temp}}
Base 16 numbers needing a to f {{#arraysize:temp}}
Base58Check encoding {{#arraysize:temp}}
Base64 encode data {{#arraysize:temp}}
Bilinear interpolation {{#arraysize:temp}}
Binary coded decimal {{#arraysize:temp}}
Binomial transform {{#arraysize:temp}}
Bioinformatics/Subsequence {{#arraysize:temp}}
Birthday problem {{#arraysize:temp}}
Black box {{#arraysize:temp}}
Blackjack strategy {{#arraysize:temp}}
Boids {{#arraysize:temp}}
Brace expansion using ranges {{#arraysize:temp}}
CLI-based maze-game {{#arraysize:temp}}
CORDIC {{#arraysize:temp}}
Calmo numbers {{#arraysize:temp}}
CalmoSoft primes {{#arraysize:temp}}
Card shuffles {{#arraysize:temp}}
Carmichael lambda function {{#arraysize:temp}}
Centroid of a set of N-dimensional points {{#arraysize:temp}}
Change e letters to i in words {{#arraysize:temp}}
Changeable words {{#arraysize:temp}}
Chebyshev coefficients {{#arraysize:temp}}
Checksumcolor {{#arraysize:temp}}
Chemical calculator {{#arraysize:temp}}
Chess player {{#arraysize:temp}}
Cipolla's algorithm {{#arraysize:temp}}
Code Golf: Code Golf {{#arraysize:temp}}
Collect and sort square numbers in ascending order from three lists {{#arraysize:temp}}
Color separation {{#arraysize:temp}}
Combinations with repetitions/Square digit chain {{#arraysize:temp}}
Common list elements {{#arraysize:temp}}
Common sorted list {{#arraysize:temp}}
Compiler/Preprocessor {{#arraysize:temp}}
Compiler/Simple file inclusion pre processor {{#arraysize:temp}}
Compiler/Verifying syntax {{#arraysize:temp}}
Concatenate two primes is also prime {{#arraysize:temp}}
Conjugate a Latin verb {{#arraysize:temp}}
Continued fraction convergents {{#arraysize:temp}}
Convert CSV records to TSV {{#arraysize:temp}}
Coprime triplets {{#arraysize:temp}}
Coprimes {{#arraysize:temp}}
Count how many vowels and consonants occur in a string {{#arraysize:temp}}
Count the coins/0-1 {{#arraysize:temp}}
Countdown {{#arraysize:temp}}
Cousin primes {{#arraysize:temp}}
Create an executable for a program in an interpreted language {{#arraysize:temp}}
Create an object/Native demonstration {{#arraysize:temp}}
Create your own text control codes {{#arraysize:temp}}
Cross compilation {{#arraysize:temp}}
Cubic special primes {{#arraysize:temp}}
Curve that touches three points {{#arraysize:temp}}
Cycle detection {{#arraysize:temp}}
Data Encryption Standard {{#arraysize:temp}}
Dating agency {{#arraysize:temp}}
Day of the week of Christmas and New Year {{#arraysize:temp}}
Days between dates {{#arraysize:temp}}
Decimal floating point number to binary {{#arraysize:temp}}
Decision tables {{#arraysize:temp}}
Digit fifth powers {{#arraysize:temp}}
Diophantine linear system solving {{#arraysize:temp}}
Discrete Fourier transform {{#arraysize:temp}}
Distinct palindromes within decimal numbers {{#arraysize:temp}}
Distinct power numbers {{#arraysize:temp}}
Divide a rectangle into a number of unequal triangles {{#arraysize:temp}}
Double Twin Primes {{#arraysize:temp}}
Draw pixel 2 {{#arraysize:temp}}
Eisenstein primes {{#arraysize:temp}}
Elevator simulation {{#arraysize:temp}}
Engel expansion {{#arraysize:temp}}
English cardinal anagrams {{#arraysize:temp}}
Erdős-primes {{#arraysize:temp}}
Erdős–Woods numbers {{#arraysize:temp}}
Even numbers which cannot be expressed as the sum of two twin primes {{#arraysize:temp}}
Exactly three adjacent 3 in lists {{#arraysize:temp}}
Execute CopyPasta Language {{#arraysize:temp}}
Exponential digital sums {{#arraysize:temp}}
External sort {{#arraysize:temp}}
Extra primes {{#arraysize:temp}}
Extract file extension {{#arraysize:temp}}
Extreme primes {{#arraysize:temp}}
Factor-perfect numbers {{#arraysize:temp}}
Fibonacci heap {{#arraysize:temp}}
Fibonacci matrix-exponentiation {{#arraysize:temp}}
Find URI in text {{#arraysize:temp}}
Find adjacent primes which differ by a square integer {{#arraysize:temp}}
Find first and last set bit of a long integer {{#arraysize:temp}}
Find first missing positive {{#arraysize:temp}}
Find minimum number of coins that make a given value {{#arraysize:temp}}
Find prime n such that reversed n is also prime {{#arraysize:temp}}
Find prime numbers of the form n*n*n+2 {{#arraysize:temp}}
Find square difference {{#arraysize:temp}}
Find squares n where n+1 is prime {{#arraysize:temp}}
Find words which contain the most consonants {{#arraysize:temp}}
Find words which contains all the vowels {{#arraysize:temp}}
Find words which contains more than 3 e vowels {{#arraysize:temp}}
Find words whose first and last three letters are equal {{#arraysize:temp}}
Find words with alternating vowels and consonants {{#arraysize:temp}}
Finite state machine {{#arraysize:temp}}
First 9 prime Fibonacci number {{#arraysize:temp}}
Forbidden numbers {{#arraysize:temp}}
Four sides of square {{#arraysize:temp}}
Free polyominoes enumeration {{#arraysize:temp}}
Frobenius numbers {{#arraysize:temp}}
Generalised floating point multiplication {{#arraysize:temp}}
Generate random numbers without repeating a value {{#arraysize:temp}}
Geohash {{#arraysize:temp}}
Geometric algebra {{#arraysize:temp}}
Getting the number of decimal places {{#arraysize:temp}}
Goodstein Sequence {{#arraysize:temp}}
Greed {{#arraysize:temp}}
Hex dump {{#arraysize:temp}}
Hexapawn {{#arraysize:temp}}
Horse racing {{#arraysize:temp}}
Hourglass puzzle {{#arraysize:temp}}
IPC via named pipe {{#arraysize:temp}}
IRC gateway {{#arraysize:temp}}
Iccanobif primes {{#arraysize:temp}}
Implicit type conversion {{#arraysize:temp}}
Inner classes {{#arraysize:temp}}
Input/Output for lines of text {{#arraysize:temp}}
Input/Output for pairs of numbers {{#arraysize:temp}}
Integer long division {{#arraysize:temp}}
Integer roots {{#arraysize:temp}}
Interactive help {{#arraysize:temp}}
Inventory sequence {{#arraysize:temp}}
Iterators {{#arraysize:temp}}
JSON pointer {{#arraysize:temp}}
Jaccard index {{#arraysize:temp}}
Just in time processing on a character stream {{#arraysize:temp}}
Kahan summation {{#arraysize:temp}}
Knuth-Morris-Pratt string search {{#arraysize:temp}}
L-system {{#arraysize:temp}}
Lagrange Interpolation {{#arraysize:temp}}
Largest difference between adjacent primes {{#arraysize:temp}}
Largest palindrome product {{#arraysize:temp}}
Largest prime factor {{#arraysize:temp}}
Largest product in a grid {{#arraysize:temp}}
Last list item {{#arraysize:temp}}
Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique {{#arraysize:temp}}
Launch rocket with countdown and acceleration in stdout {{#arraysize:temp}}
Least m such that n! + m is prime {{#arraysize:temp}}
Length of an arc between two angles {{#arraysize:temp}}
Line circle intersection {{#arraysize:temp}}
Linux CPU utilization {{#arraysize:temp}}
Long stairs {{#arraysize:temp}}
Longest common prefix {{#arraysize:temp}}
Longest common suffix {{#arraysize:temp}}
Longest palindromic substrings {{#arraysize:temp}}
Longest substrings without repeating characters {{#arraysize:temp}}
Lucas-Carmichael numbers {{#arraysize:temp}}
Magic numbers {{#arraysize:temp}}
Make a backup file {{#arraysize:temp}}
Marching squares {{#arraysize:temp}}
Markov chain text generator {{#arraysize:temp}}
Matrix with two diagonals {{#arraysize:temp}}
Maximum difference between adjacent elements of list {{#arraysize:temp}}
Mersenne primes {{#arraysize:temp}}
Minimum number of cells after, before, above and below NxN squares {{#arraysize:temp}}
Minimum numbers of three lists {{#arraysize:temp}}
Minimum primes {{#arraysize:temp}}
Modulinos {{#arraysize:temp}}
Montgomery reduction {{#arraysize:temp}}
Morpion solitaire {{#arraysize:temp}}
Mosaic matrix {{#arraysize:temp}}
Most frequent k chars distance {{#arraysize:temp}}
Multidimensional Newton-Raphson method {{#arraysize:temp}}
Multiline shebang {{#arraysize:temp}}
Multiplicatively perfect numbers {{#arraysize:temp}}
Multiton {{#arraysize:temp}}
N-body problem {{#arraysize:temp}}
N-grams {{#arraysize:temp}}
N-queens minimum and knights and bishops {{#arraysize:temp}}
NYSIIS {{#arraysize:temp}}
Names to numbers {{#arraysize:temp}}
Native shebang {{#arraysize:temp}}
Neighbour primes {{#arraysize:temp}}
Next special primes {{#arraysize:temp}}
Nice primes {{#arraysize:temp}}
Nimber arithmetic {{#arraysize:temp}}
Number triplets game {{#arraysize:temp}}
Numbers divisible by their individual digits, but not by the product of their digits. {{#arraysize:temp}}
Numbers in base 10 that are palindromic in bases 2, 4, and 16 {{#arraysize:temp}}
Numbers in base-16 representation that cannot be written with decimal digits {{#arraysize:temp}}
Numbers whose binary and ternary digit sums are prime {{#arraysize:temp}}
Numbers whose count of divisors is prime {{#arraysize:temp}}
Numbers with prime digits whose sum is 13 {{#arraysize:temp}}
Numbers with same digit set in base 10 and base 16 {{#arraysize:temp}}
Numeric separator syntax {{#arraysize:temp}}
Odd and square numbers {{#arraysize:temp}}
Odd squarefree semiprimes {{#arraysize:temp}}
Odd words {{#arraysize:temp}}
One-two primes {{#arraysize:temp}}
OpenGL/Utah teapot {{#arraysize:temp}}
Orbital elements {{#arraysize:temp}}
Ormiston pairs {{#arraysize:temp}}
Palindromic primes {{#arraysize:temp}}
Palindromic primes in base 16 {{#arraysize:temp}}
Pandigital prime {{#arraysize:temp}}
Parse EBNF {{#arraysize:temp}}
Parse command-line arguments {{#arraysize:temp}}
Particle swarm optimization {{#arraysize:temp}}
Penholodigital squares {{#arraysize:temp}}
Penrose tiling {{#arraysize:temp}}
Perceptron {{#arraysize:temp}}
Permutations with repetitions {{#arraysize:temp}}
Permutations with some identical elements {{#arraysize:temp}}
Permuted multiples {{#arraysize:temp}}
Piprimes {{#arraysize:temp}}
Polynomial derivative {{#arraysize:temp}}
Polynomial synthetic division {{#arraysize:temp}}
Posit numbers/decoding {{#arraysize:temp}}
Posit numbers/encoding {{#arraysize:temp}}
Positive decimal integers with the digit 1 occurring exactly twice {{#arraysize:temp}}
Powerful numbers {{#arraysize:temp}}
Practical numbers {{#arraysize:temp}}
Price list behind API {{#arraysize:temp}}
Prime numbers p for which the sum of primes less than or equal to p is prime {{#arraysize:temp}}
Prime numbers which contain 123 {{#arraysize:temp}}
Prime reciprocal sum {{#arraysize:temp}}
Prime triplets {{#arraysize:temp}}
Prime words {{#arraysize:temp}}
Primes which contain only one odd digit {{#arraysize:temp}}
Primes whose first and last number is 3 {{#arraysize:temp}}
Primes whose sum of digits is 25 {{#arraysize:temp}}
Primes with digits in nondecreasing order {{#arraysize:temp}}
Print debugging statement {{#arraysize:temp}}
Print itself {{#arraysize:temp}}
Process SMIL directives in XML data {{#arraysize:temp}}
Product of divisors {{#arraysize:temp}}
Proof {{#arraysize:temp}}
Protecting Memory Secrets {{#arraysize:temp}}
Pseudorandom number generator image {{#arraysize:temp}}
Railway circuit {{#arraysize:temp}}
Rainbow {{#arraysize:temp}}
Ramanujan primes {{#arraysize:temp}}
Ramsey's theorem {{#arraysize:temp}}
Range modifications {{#arraysize:temp}}
Raster bars {{#arraysize:temp}}
Recursive descent parser generator {{#arraysize:temp}}
Red black tree sort {{#arraysize:temp}}
Remote agent/Agent interface {{#arraysize:temp}}
Remote agent/Agent logic {{#arraysize:temp}}
Remote agent/Simulation {{#arraysize:temp}}
Remove vowels from a string {{#arraysize:temp}}
Resistance calculator {{#arraysize:temp}}
Resistance network calculator {{#arraysize:temp}}
Reverse the gender of a string {{#arraysize:temp}}
Reverse the order of lines in a text file while preserving the contents of each line {{#arraysize:temp}}
Rice coding {{#arraysize:temp}}
Robots {{#arraysize:temp}}
Rodrigues’ rotation formula {{#arraysize:temp}}
Roots of a cubic polynomial {{#arraysize:temp}}
Rosetta Code/List authors of task descriptions {{#arraysize:temp}}
Rosetta Code/Run examples {{#arraysize:temp}}
Run as a daemon or service {{#arraysize:temp}}
SEND + MORE = MONEY {{#arraysize:temp}}
Safe and Sophie Germain primes {{#arraysize:temp}}
Safe mode {{#arraysize:temp}}
Sanitize user input {{#arraysize:temp}}
Sattolo cycle {{#arraysize:temp}}
Sealed classes and methods {{#arraysize:temp}}
Segmentation fault protection {{#arraysize:temp}}
Selection bias in clinical sciences {{#arraysize:temp}}
Selective file copy {{#arraysize:temp}}
Self-hosting compiler {{#arraysize:temp}}
Separate the house number from the street name {{#arraysize:temp}}
Shift list elements to left by 3 {{#arraysize:temp}}
Show the (decimal) value of a number of 1s appended with a 3, then squared {{#arraysize:temp}}
Sierpinski curve {{#arraysize:temp}}
Simulated annealing {{#arraysize:temp}}
Simulated optics experiment/Data analysis {{#arraysize:temp}}
Simulated optics experiment/Simulator {{#arraysize:temp}}
Sine wave {{#arraysize:temp}}
Smallest enclosing circle problem {{#arraysize:temp}}
Smallest multiple {{#arraysize:temp}}
Smallest numbers {{#arraysize:temp}}
Smallest power of 6 whose decimal expansion contains n {{#arraysize:temp}}
Smallest square that begins with n {{#arraysize:temp}}
Solve a Rubik's cube {{#arraysize:temp}}
Solve equations with substitution method {{#arraysize:temp}}
Solve hanging lantern problem {{#arraysize:temp}}
Solve triangle solitare puzzle {{#arraysize:temp}}
Solving coin problems {{#arraysize:temp}}
Sort primes from list to a list {{#arraysize:temp}}
Sort the letters of string in alphabetical order {{#arraysize:temp}}
Sorting algorithms/Cycle sort {{#arraysize:temp}}
Sorting algorithms/Tree sort on a linked list {{#arraysize:temp}}
Special divisors {{#arraysize:temp}}
Special factorials {{#arraysize:temp}}
Special neighbor primes {{#arraysize:temp}}
Special pythagorean triplet {{#arraysize:temp}}
Spoof game {{#arraysize:temp}}
Square root by hand {{#arraysize:temp}}
Starting a web browser {{#arraysize:temp}}
Statistics/Chi-squared distribution {{#arraysize:temp}}
Strange numbers {{#arraysize:temp}}
Strange plus numbers {{#arraysize:temp}}
Strange unique prime triplets {{#arraysize:temp}}
Sturmian word {{#arraysize:temp}}
Subset sum problem {{#arraysize:temp}}
Substring primes {{#arraysize:temp}}
Suffix tree {{#arraysize:temp}}
Sum data type {{#arraysize:temp}}
Sum of divisors {{#arraysize:temp}}
Sum of first n cubes {{#arraysize:temp}}
Sum of primes in odd positions is prime {{#arraysize:temp}}
Sum of square and cube digits of an integer are primes {{#arraysize:temp}}
Sum of the digits of n is substring of n {{#arraysize:temp}}
Sum of two adjacent numbers are primes {{#arraysize:temp}}
Summation of primes {{#arraysize:temp}}
Sunflower fractal {{#arraysize:temp}}
Syntax highlighting using Mediawiki formatting {{#arraysize:temp}}
Szymański's algorithm {{#arraysize:temp}}
Table creation {{#arraysize:temp}}
Tamagotchi emulator {{#arraysize:temp}}
Terminal control/Restricted width positional input/No wrapping {{#arraysize:temp}}
Terminal control/Restricted width positional input/With wrapping {{#arraysize:temp}}
Tetris {{#arraysize:temp}}
Text between {{#arraysize:temp}}
Text completion {{#arraysize:temp}}
Text to HTML {{#arraysize:temp}}
The ISAAC cipher {{#arraysize:temp}}
Three word location {{#arraysize:temp}}
Topological sort/Extracted top item {{#arraysize:temp}}
Transportation problem {{#arraysize:temp}}
Triangular numbers {{#arraysize:temp}}
Triplet of three numbers {{#arraysize:temp}}
Two identical strings {{#arraysize:temp}}
Two sum {{#arraysize:temp}}
Type detection {{#arraysize:temp}}
URL shortener {{#arraysize:temp}}
Ulam numbers {{#arraysize:temp}}
Unicode polynomial equation {{#arraysize:temp}}
Unique characters {{#arraysize:temp}}
Unique characters in each string {{#arraysize:temp}}
Unit testing {{#arraysize:temp}}
Uno (card game) {{#arraysize:temp}}
Untrusted environment {{#arraysize:temp}}
Upside-down numbers {{#arraysize:temp}}
Use a REST API {{#arraysize:temp}}
Useless instructions {{#arraysize:temp}}
User defined pipe and redirection operators {{#arraysize:temp}}
Using a speech engine to highlight words {{#arraysize:temp}}
VList {{#arraysize:temp}}
Vibrating rectangles {{#arraysize:temp}}
Vidir {{#arraysize:temp}}
Visitor pattern {{#arraysize:temp}}
Walsh matrix {{#arraysize:temp}}
Wave function collapse {{#arraysize:temp}}
Waveform analysis/Doh ray me {{#arraysize:temp}}
Waveform analysis/Top and tail {{#arraysize:temp}}
Weather routing {{#arraysize:temp}}
WebGL rotating F {{#arraysize:temp}}
Welch's t-test {{#arraysize:temp}}
WiktionaryDumps to words {{#arraysize:temp}}
Wolstenholme numbers {{#arraysize:temp}}
Word break problem {{#arraysize:temp}}
Words containing "the" substring {{#arraysize:temp}}
Words from neighbour ones {{#arraysize:temp}}