# Reports:Tasks not implemented in FreeBASIC

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**FreeBASIC**is a language you like, or are interested in, please inform your fellow members of the FreeBASIC community; this page can't be emptied without your and their participation.

## Contents

## Not implemented[edit]

These are currently not implemented in FreeBASIC. Please implement some if you can. If any tasks are not possible or too complex in FreeBASIC, they should not be on this list. To mark a task as such, add **{{omit from|FreeBASIC}}**, preserving the capitalization of the language, to that task. It will appear below under the "Not Considered" section.

### A

- ASCII art diagram converter
- AVL tree
- Abbreviations, automatic
- Abbreviations, easy
- Abbreviations, simple
- Abelian sandpile model
- Abelian sandpile model/Identity
- Active Directory/Connect
- Active Directory/Search for a user
- Active object
- Almkvist-Giullera formula for pi
- Arithmetic-geometric mean/Calculate Pi
- Arithmetic/Rational
- Associative array/Merging
- Atomic updates

### B

### C

- Canny edge detector
- Canonicalize CIDR
- Catmull–Clark subdivision surface
- Chaocipher
- Chat server
- Checkpoint synchronization
- Chernick's Carmichael numbers
- Cheryl's birthday
- Church numerals
- Cistercian numerals
- Color quantization
- Color wheel
- Colour pinstripe/Printer
- Compare sorting algorithms' performance
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Constrained genericity
- Cut a rectangle
- Cyclotomic polynomial

### D

- DNS query
- De Bruijn sequences
- Death Star
- Deconvolution/1D
- Deconvolution/2D+
- Delegates
- Deming's Funnel
- Determinant and permanent
- Determine if only one instance is running
- Dijkstra's algorithm
- Dining philosophers
- Display a linear combination
- Display an outline as a nested table
- Distributed programming
- Diversity prediction theorem
- Doubly-linked list/Definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Traversal

### E

### F

- FTP
- Faces from a mesh
- Factorial base numbers indexing permutations of a collection
- Faulhaber's formula
- Fermat numbers
- File extension is in extensions list
- File size distribution
- Find Chess960 starting position identifier
- Find duplicate files
- Find if a point is within a triangle
- Find largest left truncatable prime in a given base
- First-class functions/Use numbers analogously
- First class environments
- First perfect square in base n with n unique digits
- Fivenum
- Flipping bits game
- Formal power series
- Fortunate numbers
- Four bit adder
- Four is the number of letters in the ...
- Fraction reduction
- Function frequency
- Functional coverage tree

### H

### I

### K

### L

- LU decomposition
- Last letter-first letter
- Latin Squares in reduced form
- Latin Squares in reduced form/Randomizing using Jacobson and Matthews’ Technique
- Legendre prime counting function
- Levenshtein distance/Alignment
- List rooted trees
- Long literals, with continuations
- Longest increasing subsequence
- Lucky and even lucky numbers

### M

- MAC Vendor Lookup
- Machine code
- Magnanimous numbers
- Main step of GOST 28147-89
- Make directory path
- Man or boy test
- Mastermind
- Matrix chain multiplication
- Matrix digital rain
- Mayan calendar
- Mayan numerals
- Maze solving
- Median filter
- Menu
- Merge and aggregate datasets
- Metallic ratios
- Metered concurrency
- Mind boggling card trick
- Minesweeper game
- Minimal steps down to 1
- Minimum positive multiple in base 10 using only 0 and 1
- Modular arithmetic
- Monads/List monad
- Monads/Maybe monad
- Monads/Writer monad
- Motzkin numbers
- Move-to-front algorithm
- Multi-dimensional array
- Multiple regression
- Multiplicative order

### N

### O

### P

- P-value correction
- Padovan n-step number sequences
- Padovan sequence
- Parallel brute force
- Parallel calculations
- Parametric polymorphism
- Parametrized SQL statement
- Parse an IP Address
- Parsing/RPN calculator algorithm
- Parsing/RPN to infix conversion
- Parsing/Shunting-yard algorithm
- Partial function application
- Partition an integer x into n primes
- Pascal's triangle/Puzzle
- Pascal matrix generation
- Pattern matching
- Peaceful chess queen armies
- Pentagram
- Percentage difference between images
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Perfect shuffle
- Pig the dice game/Player
- Pinstripe/Printer
- Pisano period
- Play recorded sounds
- Poker hand analyser
- Polymorphic copy
- Polymorphism
- Polyspiral
- Pragmatic directives
- Primes - allocate descendants to their ancestors
- Pseudo-random numbers/Combined recursive generator MRG32k3a
- Pseudo-random numbers/PCG32
- Pseudo-random numbers/Splitmix64
- Pseudo-random numbers/Xorshift star

### R

- RCRPG
- Ramanujan's constant
- Ramanujan primes/twins
- Random Latin squares
- Random sentence from book
- Read a file character by character/UTF8
- Record sound
- Reflection/List methods
- Reflection/List properties
- Rendezvous
- Respond to an unknown method call
- Retrieve and search chat history
- Rosetta Code/Count examples
- Rosetta Code/Find bare lang tags
- Rosetta Code/Find unimplemented tasks
- Rosetta Code/Fix code tags
- Rosetta Code/Rank languages by number of users
- Rosetta Code/Rank languages by popularity
- Runtime evaluation
- Runtime evaluation/In an environment

### S

- S-expressions
- SHA-256 Merkle tree
- SOAP
- SQL-based authentication
- Safe addition
- Same fringe
- Scope/Function names and labels
- Scope modifiers
- Search a list of records
- Secure temporary file
- Self numbers
- Send an unknown method call
- Send email
- Sequence: nth number with exactly n divisors
- Set consolidation
- Set of real numbers
- Set puzzle
- Sexy primes
- Shortest common supersequence
- Sierpinski arrowhead curve
- Sierpinski pentagon
- Sierpinski square curve
- Simple database
- Simulate input/Keyboard
- Simulate input/Mouse
- Sockets
- Sokoban
- Solve a Hidato puzzle
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Solve the no connection puzzle
- Sort a list of object identifiers
- Sort an outline at every level
- Sort disjoint sublist
- Sort numbers lexicographically
- Sort stability
- Sorting algorithms/Bead sort
- Sorting algorithms/Patience sort
- Sorting algorithms/Radix sort
- Sorting algorithms/Strand sort
- Sparkline in unicode
- Special variables
- Spelling of ordinal numbers
- Stable marriage problem
- Stack traces
- State name puzzle
- Straddling checkerboard
- Strassen's algorithm
- Stream merge
- Strong and weak primes
- Subtractive generator
- Successive prime differences
- Suffixation of decimal numbers
- Sum and product puzzle
- Sum to 100
- Summarize and say sequence
- Super-d numbers
- Symmetric difference
- Synchronous concurrency

### T

- Table creation/Postal addresses
- Tarjan
- Teacup rim text
- Terminal control/Cursor movement
- Terminal control/Hiding the cursor
- Terminal control/Positional read
- Terminal control/Preserve screen
- Terminal control/Unicode output
- Test integerness
- Text processing/1
- Text processing/2
- Text processing/Max licenses in use
- Textonyms
- The sieve of Sundaram
- Thiele's interpolation formula
- Tokenize a string with escaping
- Top rank per group
- Topological sort
- Topswops
- Total circles area
- Tree datastructures
- Tree from nesting levels
- Truncate a file
- Truth table
- Two bullet roulette

### U

### V

### W

### Draft tasks without implementation[edit]

These tasks are drafts, meaning they largely need more work to turn them into full tasks. Perhaps you can help by trying to implement them in FreeBASIC (after all, one of the key requirements for a task being non-draft is multiple implementations, preferably in widely different languages) but be aware that this may be difficult because of lack of definition of the task itself.

### A

### B

### C

- CLI-based maze-game
- Card shuffles
- Chebyshev coefficients
- Checksumcolor
- Chemical calculator
- Chess player
- Code segment unload
- Combinations with repetitions/Square digit chain
- Common list elements
- Common sorted list
- Compiler/Simple file inclusion pre processor
- Compiler/Verifying syntax
- Concatenate two primes is also prime
- Conjugate a Latin Verb
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
- Count how many vowels and consonants occur in a string
- Count the coins/0-1
- Create an object/Native demonstration
- Curve that touches three points
- Cyclops numbers

### D

### F

- Fibonacci heap
- Fibonacci matrix-exponentiation
- Find URI in text
- Find first and last set bit of a long integer
- Find first missing positive
- Find minimum number of coins that make a given value
- Find words which contain the most consonants
- Find words which contains all the vowels
- Find words which contains more than 3 e vowels
- Find words with alternating vowels and consonants
- Finite state machine
- Free polyominoes enumeration

### G

### I

### L

### M

- Make a backup file
- Markov chain text generator
- Maximum difference between adjacent elements of list
- Mersenne primes
- Mine a bitcoin
- Minimum number of cells after, before, above and below NxN squares
- Montgomery reduction
- Morpion solitaire
- Most frequent k chars distance
- Multi-base primes
- Multidimensional Newton-Raphson method
- Multiline shebang
- Multiton

### N

- N-body problem
- NYSIIS
- Names to numbers
- Native shebang
- Number triplets game
- Numbers in base-16 representation that cannot be written with decimal digits
- Numbers in base 10 that are palindromic in bases 2, 4, and 16
- Numbers which binary and ternary digit sum are prime
- Numbers whose count of divisors is prime
- Numbers with same digit set in base 10 and base 16
- Numeric separator syntax
- Numerical integration/Adaptive Simpson's method

### P

- Pandigital prime
- Parse EBNF
- Particle fountain
- Particle swarm optimization
- Penrose tiling
- Pentomino tiling
- Peripheral drift illusion
- Permutations with some identical elements
- Permuted multiples
- Polynomial synthetic division
- Positive decimal integers with the digit 1 occurring exactly twice
- Powerful numbers
- Practical numbers
- Price list behind API
- Primes which contain only one odd digit
- Primes whose first and last number is 3
- Print debugging statement
- Process SMIL directives in XML data
- Proof
- Pseudorandom number generator image

### R

- Railway circuit
- Ramanujan primes
- Range modifications
- Raster bars
- Readline interface
- Recursive descent parser generator
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Resistance calculator
- Resistance network calculator
- Reverse the order of lines in a text file while preserving the contents of each line
- Robots
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Run examples
- Rosetta Code/Tasks without examples

### S

- Safe mode
- Selective file copy
- Self-hosting compiler
- Separate the house number from the street name
- Sierpinski curve
- Simple turtle graphics
- Simulated annealing
- Sine wave
- Singly-linked list/Element removal
- Smallest enclosing circle problem
- Solve a Rubik's Cube
- Solve triangle solitare puzzle
- Solving coin problems
- Sort the letters of string in alphabetical order
- Sorting algorithms/Tree sort on a linked list
- Special Divisors
- Special neighbor primes
- Special pythagorean triplet
- Spoof game
- Starting a web browser
- Subset sum problem
- Suffix tree
- Sum of elements below main diagonal of matrix
- Sum of primes in odd positions is prime

### 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
- Tropical algebra overloading
- Type detection

### U

### W

## Requiring Attention[edit]

### Examples[edit]

These tasks have implementations in FreeBASIC, but somebody, somewhere, decided that the example implementation was faulty or in some other way requiring attention. If you're familiar with the task and language, please consider reviewing/correcting the example and removing the notice.

### Other pages[edit]

These are other pages related to FreeBASIC which require attention; with your knowledge and assistance, we can improve the quality of the site's content.

### No pages found.

## Not Considered[edit]

These tasks are not generally counted toward "unimplemented", as somebody, somewhere, decided that FreeBASIC was inappropriate for these tasks, or implementations of them would be unenlightening. Feel free to try your hand at them anyway.

### No pages found.

## End of List[edit]

Again, feel free to try your hand at any of the tasks listed on this page.