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Activity for A username‭

Type On... Excerpt Status Date
Suggested Edit Post #288535 Suggested edit:
Replace "substring" with "subsequence" - "substring" generally implies a contiguous sequence of characters, "subsequence" does not.
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declined over 1 year ago
Edit Post #287603 Initial revision almost 2 years ago
Answer A: Mediocre pop count
Vyxal, 12 bytes ``` bṠ:₍gGvc†Tİ∑ ``` Try it Online! ``` İ # Index into input T # Indices where v # For each Ṡ # Sum of b # Binary digits ₍gG # Does [min, max] † # Not c # contain : # That ...
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almost 2 years ago
Edit Post #287183 Initial revision about 2 years ago
Answer A: Just the vowels please
Vyxal, 3 bytes ``` k∨↔ ``` Try it Online! ``` ↔ # Keep chars from k∨ # vowels ```
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about 2 years ago
Edit Post #285486 Initial revision almost 3 years ago
Answer A: Determine whether an integer is square-free
Vyxal, 4 bytes ``` K∆²a ``` Try it Online! Outputs 0 for square-free, 1 for not. ``` K # Factors ∆² # Is perfect square a # Any true? ```
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almost 3 years ago
Edit Post #284292 Initial revision about 3 years ago
Answer A: Stairs? Stairs! Stairs.
Vyxal `jṀ`, 11 bytes ``` ƛd‛/$꘍⁰d↳Ḣ ``` Try it Online! ``` ƛ # Map 0...n to... ‛/ # '/' $꘍ # And append... d # Double # (Implicit input) $꘍ # Spaces ↳ # Pad to length... d # Double ⁰ # Initial ...
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about 3 years ago
Edit Post #284273 Initial revision about 3 years ago
Answer A: Reverse your quine
Vyxal `D`, 10 bytes ``` `:qpṘ`:qpṘ ``` Try it Online! ``` `:qp `:qp # Standard quine structure Ṙ Ṙ # Reverse ``` Or, more interestingly... Vyxal `D`, 31 bytes ``` `q\`:Ė#\`+øm`:Ė#Ė:`mø+`\#Ė:`\q` ``` Try it Online! ``` `q\`:Ė \`+ `:Ė # Standard eval quine s...
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about 3 years ago
Edit Post #284126 Initial revision about 3 years ago
Answer A: Expand a polynomial
Vyxal, 2 bytes ``` ∆ṙ ``` Try it Online! That cheap builtin.
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about 3 years ago
Edit Post #283911 Initial revision about 3 years ago
Answer A: Generalized Sort
[JavaScript (Node.js)], 52 bytes (A,...c)=>A.sort((a,b)=>c.map(z=>z(a,b)).find(x=>x)) Try it online! A golf of the reference code. If we can assume there will be no ties, 47 is possible in a rather neat way.
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about 3 years ago
Comment Post #283908 Also, can we assume that there will be no ties?
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about 3 years ago
Edit Post #283857 Initial revision about 3 years ago
Answer A: Reduce over the range [1..n]
Vyxal `R`, 1 byte ``` R ``` Try it Online! Function must be inserted in the header. The `R` flag casts integers to ranges when an integer can't be used. `R` is the builtin for 'Reduce list by function', and it can't use an integer, so ranges before reducing.
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about 3 years ago
Edit Post #283856 Initial revision about 3 years ago
Answer A: Word Set Square
Vyxal `J`, 12 bytes ``` ḣmėƛ÷꘍ṘǏ;⁋?m ``` Try it Online! ``` ḣ # Head extract (x[0], x[1:] ) m # Mirror the ToS (x[1:]) ė # Zip with 0...length ƛ ; # Map... ÷꘍ # Pad by spaces to correct amount ṘǏ # Append the first chara...
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about 3 years ago
Edit Post #283854 Initial revision about 3 years ago
Answer A: Make my value binary
Vyxal, 1 byte ``` b ``` Try it Online! `b` is for binary...
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about 3 years ago
Edit Post #283775 Initial revision about 3 years ago
Answer A: Make $2 + 2 = 5$
Vyxal `s`, 5 bytes ``` 2=A5 ``` [Try it Online! You're not the only one who can abuse flags, Shaggy... ``` 2= # Foreach, is it equal to to? A[ # If all are 2 5 # Push a 5. # (s flag) sum of top of stack. If 5, then 5 is outputted, else a+b is outputted. ```
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about 3 years ago
Edit Post #283762 Initial revision about 3 years ago
Answer A: Tile pyramids on top of each other!
Vyxal `C`, 6 bytes ``` ƛ\/øṀ ``` Try it Online! ``` ƛ # 1...n map \/ # That many / øṀ # Ascii art mirror # (C flag) Join by newlines and center ```
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about 3 years ago
Edit Post #283761 Post edited:
about 3 years ago
Edit Post #283761 Initial revision about 3 years ago
Answer A: Write a Deadfish Interpreter
Vyxal `D`, 26 bytes ``` 0Ȯ(n«ƛ√J«`›‹²…`ĿĖD₈=$0<∨0 ``` [Try it Online! ``` 0 # Push 0 Ȯ(n # Iterating over the input «ƛ√J«`›‹²…`Ŀ # Transliterate into appropriate Vyxal instruction Ė # Evaluate ...
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about 3 years ago
Edit Post #283755 Initial revision about 3 years ago
Answer A: My house is destroyed! Can you make me one?
Vyxal, 13 bytes ``` \#,‹(⇩\#꘍ṘǏ, ``` Try it Online! ``` \#, # Print a line of # ‹( # n-1 times... ⇩\#꘍Ṙ # n-2 spaces before a hash Ǐ, # Append a hash and print ```
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about 3 years ago
Edit Post #283733 Initial revision about 3 years ago
Answer A: Roll n fair dice
Vyxal `ṪR`, 3 bytes ``` (⁰℅ ``` Try it Online! ``` ( # N times... ℅ # Generate a random integer between one and... ⁰ # First argument ```
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about 3 years ago
Edit Post #283378 Initial revision about 3 years ago
Answer A: Merge two strings
Vyxal, 1 byte ``` ⋎ ``` Try it Online! Builtin be like
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about 3 years ago
Edit Post #282905 Post edited:
about 3 years ago
Edit Post #282905 Initial revision over 3 years ago
Answer A: Caesar shift cipher
[JavaScript (Node.js)], 67 60 bytes o=>r=>Buffer(o).map(c=>c%3264?(c%32+r)%26+c-c%32:c)+'' Try it online! ``` o=>r=> // Define a function taking o and r, and returning... Buffer(o).map(c=> // a Buffer of the charcodes of o, mapped to... c%3264 //...
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over 3 years ago