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Code-golf is a competition to solve a particular problem in the fewest bytes of source code.

2 votes

Draw an ASCII envelope based on size input

Vyxal o, 37 bytes \_*:£ðpm,ċ[ɽ‹\\꘍ṫ\_+J↲¥J\|vpvøṀ⁋|‛|\m Try it Online! \_* # <input> copies of _ :£ # Duplicate and set gregister …
allxy's user avatar
  • 510
3 votes

Get the trends of an array

Vyxal, 14 bytes ¯±ĠvL0p¦2lvƒṡİ Try it Online! Port of Unrelated String's Jelly answer. ĠvL # Get the lengths of the runs of identical...' ± # Signs ¯ # In the for …
allxy's user avatar
  • 510
15 votes

Average-ignorant sets of integers

A simple greedy approach gives the set [1, 2, 4, 5, 10, 11, 13, 14...]. This is probably optimal. It can be constructed by: Start with the set [1] Forever: Take the maximum value of the set, double …
allxy's user avatar
  • 510
13 votes

Egyptian fraction representations of 1

Vyxal, 10 bytes ¡ɾṗ'Ė∑1=;t Try it Online! Bruteforcer. \$O\left(2^{n!}\right)\$ time complexity, searches for fractions with reciprocals \$ n! \$ which seems to be enough. ¡ # Factorial ɾṗ …
allxy's user avatar
  • 510