Tasks not implemented in Rust
Awareness
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If Rust is a language you like, or are interested in, please inform your fellow members of the Rust community; this page can't be emptied without your and their participation.
Tasks not implemented in Rust
A
- ABC correlation
- Active Directory/Search for a user
- Anagram generator
- Anaprimes
- Animated Spinners
- Ascending primes
- Autogram checker
B
- Babylonian spiral
- Bernstein basis polynomials
- Bifid cipher
- Bioinformatics/Global alignment
- Bitmap/Bézier curves/Cubic
- Bitmap/Bézier curves/Quadratic
- Bitmap/Midpoint circle algorithm
- Bitmap/PPM conversion through a pipe
- Bitmap/Read an image through a pipe
- Blum integer
- Boustrophedon transform
- Boyer-Moore string search
- Bulls and cows/Player
- Bézier curves/Intersections
C
- Calendar - for "REAL" programmers
- Camel case and snake case
- Canny edge detector
- Centre and radius of a circle passing through 3 points in a plane
- Check Machin-like formulas
- Check if a polygon overlaps with a rectangle
- Check if two polygons overlap
- Chernick's Carmichael numbers
- Color of a screen pixel
- Colour pinstripe/Display
- Colour pinstripe/Printer
- Compare sorting algorithms' performance
- Compiler/AST interpreter
- Compiler/Simple file inclusion pre processor
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
- Cycles of a permutation
- Cyclops numbers
- Cyclotomic polynomial
D
- Dating agency
- De Polignac numbers
- Death Star
- Deconvolution/1D
- Deconvolution/2D+
- Descending primes
- Determine if two triangles overlap
- Determine sentence type
- Display an outline as a nested table
- Distance and Bearing
- Distributed programming
- Diversity prediction theorem
- Dominoes
- Doubly-linked list/Definition
- Doubly-linked list/Traversal
- Draw a cuboid
- Draw a rotating cube
- Duffinian numbers
E
- Elementary cellular automaton/Infinite length
- Elliptic Curve Digital Signature Algorithm
- Elliptic curve arithmetic
- Engel expansion
- Equal prime and composite sums
- Erdős-Nicolas numbers
- Euclid-Mullin sequence
- Executable library
- Execute Computer/Zero
- Execute SNUSP
- Exponentiation with infix operators in (or operating on) the base
F
- Faces from a mesh
- Factorial base numbers indexing permutations of a collection
- Factorial primes
- Factorions
- Faulhaber's formula
- Faulhaber's triangle
- Feigenbaum constant calculation
- Fermat pseudoprimes
- Find Chess960 starting position identifier
- Find palindromic numbers in both binary and ternary bases
- First class environments
- First perfect square in base n with n unique digits
- Flow-control structures
- Forbidden numbers
- Formal power series
- Fortunate numbers
- Fraction reduction
- Fractran
- French Republican calendar
- Function frequency
- Function prototype
G
- GUI enabling/disabling of controls
- GUI/Maximum window dimensions
- Galton box animation
- Gapful numbers
- Gaussian primes
- Golden ratio/Convergence
- Gotchas
- Graph colouring
- Grayscale image
- Greatest prime dividing the n-th cubefree number
- Greyscale bars/Display
H
I
- I'm a software engineer, get me out of here
- Idiomatically determine all the characters that can be used for symbols
- Idoneal numbers
- Image convolution
- Image noise
- Imaginary base numbers
- Inconsummate numbers in base 10
- Index finite lists of positive integers
- Inner classes
- Intersecting number wheels
- Inventory sequence
- Inverted syntax
- Isograms and heterograms
J
K
- Kaprekar numbers
- Keyboard input/Flush the keyboard buffer
- Keyboard input/Keypress check
- Keyboard macros
- Knapsack problem/Bounded
- Knapsack problem/Unbounded
- Knuth's power tree
- Kosaraju
L
- Lah numbers
- Largest number divisible by its digits
- Latin Squares in reduced form
- Law of cosines - triples
- Legendre prime counting function
- Logistic curve fitting in epidemiology
- Long multiplication
- Loops/Increment loop index within loop body
- Loops/With multiple ranges
- Loops/Wrong ranges
- Lucky and even lucky numbers
- Lyndon word
M
- Magic constant
- Mayan calendar
- Median filter
- Meissel–Mertens constant
- Memory layout of a data structure
- Merge and aggregate datasets
- Mertens function
- Metallic ratios
- Metronome
- Mian-Chowla sequence
- Minimal steps down to 1
- Minimum multiple of m where digital sum equals m
- Minimum positive multiple in base 10 using only 0 and 1
- Minkowski question-mark function
- Modular arithmetic
- Monads/List monad
- Monads/Writer monad
- Multi-dimensional array
- Multiple regression
- Multiplicative order
- Multisplit
- Musical scale
N
- Natural sorting
- Nautical bell
- Nested templated data
- Non-transitive dice
- Nonogram solver
- Numbers k such that the last letter of k is the same as the first letter of k+1
- Numbers which are not the sum of distinct squares
- Numbers which are the cube roots of the product of their proper divisors
- Numbers with equal rises and falls
- Numeric error propagation
- Numerical integration/Gauss-Legendre Quadrature
O
- OLE automation
- Odd word problem
- One-time pad
- OpenWebNet password
- Operator precedence
- Order by pair comparisons
- Order disjoint list items
- Ormiston triples
P
- P-Adic numbers, basic
- P-Adic square roots
- Pairs with common factors
- Pan base non-primes
- Paraffins
- Parameterized SQL statement
- Parsing/RPN to infix conversion
- Partial function application
- Particle fountain
- Pascal matrix generation
- Pascal's triangle/Puzzle
- Pathological floating point problems
- Peaceful chess queen armies
- Pell numbers
- Penta-power prime seeds
- Pentagram
- Pentomino tiling
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Periodic table
- Peripheral drift illusion
- Permutations/Rank of a permutation
- Pierpont primes
- Pig the dice game/Player
- Pinstripe/Display
- Pinstripe/Printer
- Pisano period
- Play recorded sounds
- Playfair cipher
- Plot coordinate pairs
- Pointers and references
- Polymorphic copy
- Polymorphism
- Polynomial long division
- Polynomial regression
- Polyspiral
- Pragmatic directives
- Prime numbers whose neighboring pairs are tetraprimes
- Primes - allocate descendants to their ancestors
- Primes: n*2^m+1
- Problem of Apollonius
- Product of min and max prime factors
- Pseudo-random numbers/Combined recursive generator MRG32k3a
- Pseudo-random numbers/Middle-square method
- Pseudo-random numbers/Splitmix64
Q
R
- Radical of an integer
- Ramanujan primes/twins
- Ramanujan's constant
- Random Latin squares
- Random sentence from book
- Ranking methods
- Rate counter
- Record sound
- Rendezvous
- Repunit primes
- Resistor mesh
- Retrieve and search chat history
- Riordan numbers
- Roots of a quadratic function
- Rosetta Code/Rank languages by number of users
- Rosetta Code/Rank languages by popularity
- Runtime evaluation
- Runtime evaluation/In an environment
- Ruth-Aaron numbers
S
- SOAP
- SQL-based authentication
- Safe addition
- Sailors, coconuts and a monkey problem
- Same fringe
- Scope modifiers
- Scope/Function names and labels
- Sealed classes and methods
- Search in paragraph's text
- Selectively replace multiple instances of a character within a string
- Self numbers
- Send email
- Sequence of primorial primes
- Sequence: nth number with exactly n divisors
- Sequence: smallest number greater than previous term with exactly n divisors
- Set consolidation
- Set, the card game
- Seven-sided dice from five-sided dice
- Shoelace formula for polygonal area
- Shortest common supersequence
- Sieve of Pritchard
- Simple database
- Simple turtle graphics
- Singleton
- Singular value decomposition
- Sisyphus sequence
- Sleeping Beauty problem
- Smallest number k such that k+2^m is composite for all m less than k
- Smarandache-Wellin primes
- Sokoban
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Solve the no connection puzzle
- Sorensen–Dice coefficient
- Sort an outline at every level
- Sorting algorithms/Bead sort
- Sorting algorithms/Patience sort
- Sorting algorithms/Strand sort
- Special variables
- Speech synthesis
- Sphenic numbers
- Square form factorization
- Stack traces
- Steffensen's method
- Stem-and-leaf plot
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Straddling checkerboard
- Strassen's algorithm
- Stream merge
- Substitution cipher
- Sudan function
- Sum of elements below main diagonal of matrix
- Super-Poulet numbers
- Superellipse
- Sylvester's sequence
- Syntax highlighting using Mediawiki formatting
T
- Table creation/Postal addresses
- Terminal control/Cursor movement
- Terminal control/Cursor positioning
- Terminal control/Dimensions
- Terminal control/Display an extended character
- Terminal control/Hiding the cursor
- Terminal control/Inverse video
- Terminal control/Positional read
- Terminal control/Unicode output
- Test integerness
- Text processing/1
- Text processing/2
- The sieve of Sundaram
- Tonelli-Shanks algorithm
- Total circles area
- Transliterate English text using the Greek alphabet
- Tree datastructures
- Tree from nesting levels
- Twelve statements
- Two bullet roulette
U
- UPC
- Ukkonen’s suffix tree construction
- Ultra useful primes
- Universal Lambda Machine
- Untouchable numbers
- Update a configuration file
- User input/Graphical
V
- Variable declaration reset
- Variable size/Set
- Variable-length quantity
- Variadic fixed-point combinator
- Verhoeff algorithm
- Verify distribution uniformity/Naive
- Video display modes
W
- Wagstaff primes
- War card game
- Wasteful, equidigital and frugal numbers
- Weird numbers
- Window creation/X11
- Window management
- Wordle comparison
- World Cup group stage
- Worthwhile task shaving
- Write float arrays to a text file
X
Y
Z
Draft tasks not implemented in Rust
1
3
A
- A* search algorithm
- ASCII control characters
- Addition chains
- Addition-chain exponentiation
- Append numbers at same position in strings
- Apéry's constant
- Arithmetic coding/As a generalized change of radix
- Aspect oriented programming
- Assertions in design by contract
- Audio alarm
- Audio frequency generator
- Audio overlap loop
B
- B-spline
- Bacon cipher
- Base 16 numbers needing a to f
- Base58Check encoding
- Base64 encode data
- Bilinear interpolation
- Binomial transform
- Bioinformatics/Subsequence
- Black box
- Blackjack strategy
- Boids
- Brace expansion using ranges
C
- CLI-based maze-game
- Calmo numbers
- CalmoSoft primes
- Card shuffles
- Carmichael lambda function
- Centroid of a set of N-dimensional points
- Chebyshev coefficients
- Checksumcolor
- Chess player
- Cipolla's algorithm
- Code Golf: Code Golf
- Code segment unload
- Color separation
- Combinations with repetitions/Square digit chain
- Common list elements
- Common sorted list
- Compiler/Preprocessor
- Compiler/Verifying syntax
- Concatenate two primes is also prime
- Conjugate a Latin verb
- Consistent overhead byte stuffing
- Continued fraction convergents
- Convert CSV records to TSV
- Coprime triplets
- Coprimes
- Count the coins/0-1
- Countdown
- Cousin primes
- Create an executable for a program in an interpreted language
- Create an object/Native demonstration
- Create your own text control codes
- Cross compilation
- Curve that touches three points
- Cycle detection
D
- Data Encryption Standard
- Day of the week of Christmas and New Year
- Decimal floating point number to binary
- Decision tables
- Digit fifth powers
- Diophantine linear system solving
- Discrete Fourier transform
- Distinct palindromes within decimal numbers
- Distinct power numbers
- Divide a rectangle into a number of unequal triangles
- Double Twin Primes
- Doubly-linked list/Element removal
- Draw pixel 2
E
- Eisenstein primes
- Elevator simulation
- English cardinal anagrams
- Erdős–Woods numbers
- Even numbers which cannot be expressed as the sum of two twin primes
- Exactly three adjacent 3 in lists
- Execute CopyPasta Language
- Exponential digital sums
- Extended Straddling Checkerboard
- External sort
- Extreme primes
F
- Factor-perfect numbers
- Fibonacci heap
- Fibonacci matrix-exponentiation
- Find URI in text
- Find first and last set bit of a long integer
- Find first missing positive
- Find square difference
- Find words which contains more than 3 e vowels
- Find words with alternating vowels and consonants
- Four sides of square
- Free polyominoes enumeration
G
- Generalised floating point addition
- Generalised floating point multiplication
- Geohash
- Geometric algebra
- Getting the number of decimal places
- Goodstein Sequence
- Gradient descent
- Greed
H
I
- IPC via named pipe
- IRC gateway
- Iccanobif primes
- Implicit type conversion
- Input/Output for lines of text
- Input/Output for pairs of numbers
- Integer long division
- Iterators
J
K
L
- L-system
- Lagrange Interpolation
- Largest five adjacent number
- Largest palindrome product
- Largest product in a grid
- Last list item
- Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique
- Least m such that n! + m is prime
- Length of an arc between two angles
- Linux CPU utilization
- Long stairs
- Longest substrings without repeating characters
- Lucas-Carmichael numbers
M
- Make a backup file
- Marching squares
- Matrix with two diagonals
- Mersenne primes
- Minimum number of cells after, before, above and below NxN squares
- Minimum numbers of three lists
- Minimum primes
- Montgomery reduction
- Morpion solitaire
- Mosaic matrix
- Most frequent k chars distance
- Multidimensional Newton-Raphson method
- Multiline shebang
- Multiton
N
- N-body problem
- N-grams
- N-queens minimum and knights and bishops
- NYSIIS
- Names to numbers
- Native shebang
- Next special primes
- Number triplets game
- Numbers in base 10 that are palindromic in bases 2, 4, and 16
- Numbers in base-16 representation that cannot be written with decimal digits
- Numbers whose binary and ternary digit sums are prime
- Numbers with prime digits whose sum is 13
- Numbers with same digit set in base 10 and base 16
- Numeric separator syntax
- Numerical integration/Adaptive Simpson's method
O
- Odd and square numbers
- Odd squarefree semiprimes
- One-two primes
- OpenGL pixel shader
- OpenGL/Utah teapot
- Orbital elements
- Overloaded operators
P
- Pandigital prime
- Parse EBNF
- Particle swarm optimization
- Penholodigital squares
- Penrose tiling
- Perceptron
- Permutations with some identical elements
- Permuted multiples
- Piprimes
- Polynomial derivative
- Polynomial synthetic division
- Posit numbers/decoding
- Posit numbers/encoding
- Positive decimal integers with the digit 1 occurring exactly twice
- Powerful numbers
- Price list behind API
- Prime numbers p for which the sum of primes less than or equal to p is prime
- Prime numbers which contain 123
- Prime reciprocal sum
- Prime triplets
- Primes whose first and last number is 3
- Primes whose sum of digits is 25
- Primes with digits in nondecreasing order
- Print debugging statement
- Print itself
- Process SMIL directives in XML data
- Product of divisors
- Proof
- Protecting Memory Secrets
- Pseudorandom number generator image
Q
R
- Railway circuit
- Rainbow
- Ramanujan primes
- Ramsey's theorem
- Range modifications
- Readline interface
- Recursive descent parser generator
- Red black tree sort
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Resistance calculator
- Resistance network calculator
- Reverse the gender of a string
- Reverse the order of lines in a text file while preserving the contents of each line
- Rice coding
- Robots
- Rodrigues’ rotation formula
- Roots of a cubic polynomial
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Run examples
- Rosetta Code/Tasks without examples
- Run as a daemon or service
S
- SEND + MORE = MONEY
- Safe and Sophie Germain primes
- Sanitize user input
- Sattolo cycle
- Segmentation fault protection
- Selection bias in clinical sciences
- Selective file copy
- Separate the house number from the street name
- Simulated annealing
- Simulated optics experiment/Data analysis
- Simulated optics experiment/Simulator
- Sine wave
- Singly-linked list/Element removal
- Singly-linked list/Reversal
- Smallest enclosing circle problem
- Smallest multiple
- Smallest numbers
- Smallest power of 6 whose decimal expansion contains n
- Smallest square that begins with n
- Snake and ladder
- Solve a Rubik's cube
- Solve equations with substitution method
- Solve hanging lantern problem
- Solve triangle solitaire puzzle
- Solving coin problems
- Sort the letters of string in alphabetical order
- Sorting algorithms/Cycle sort
- Sorting algorithms/Tree sort on a linked list
- Special factorials
- Special neighbor primes
- Spoof game
- Square root by hand
- Starting a web browser
- Statistics/Chi-squared distribution
- Strange numbers
- Strange plus numbers
- Sturmian word
- Subset sum problem
- Suffix tree
- Sum of divisors
- Sum of primes in odd positions is prime
- Sum of two adjacent numbers are primes
- Sunflower fractal
- Szymański's algorithm
T
- Table creation
- Tamagotchi emulator
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Tetris
- Text completion
- Text to HTML
- Three word location
- Time-based one-time password algorithm
- Topological sort/Extracted top item
- Transportation problem
- Triangular numbers
- Triplet of three numbers
- Two identical strings
U
- URL shortener
- Unicode polynomial equation
- Unique characters
- Unique characters in each string
- Unit testing
- Uno (card game)
- Use a REST API
- Useless instructions
- User defined pipe and redirection operators
- Using a speech engine to highlight words
V
W
- Walsh matrix
- Wave function collapse
- Waveform analysis/Doh ray me
- Waveform analysis/Top and tail
- Weather routing
- WebGL rotating F
- Welch's t-test
- WiktionaryDumps to words
- Wolstenholme numbers
X
Tasks omitted from Rust
A
B
D
N
O
R
- Reflection/Get source
- Reflection/List methods
- Reflection/List properties
- Respond to an unknown method call
S
T
End of List
Again, feel free to try your hand at any of the tasks listed on this page.