Posts by forestbeasts
JavaScript (Node.js), 73 66 bytes This returns a Generator, which calculates the sequence on the fly when you use it! function*f(a){while(a>1){yield a a=~~(a%2?a**1.5:a**0.5)} yield a} Or...
JavaScript (Node.js), 68 bytes f=(a)=>a.map((x)=>[...x.entries()].filter((e)=>e[1]).map((e)=>e[0])) Run the function f on your input, e.g. f([[1,0,1],[1,0,1],[0,1,0]]). The output ...
Perl, 9 bytes /[abipq]/ Perl's got an m// operator (which you also get if you use a bare regex, like here) that by default matches on $_. Returns true if it matches, false if it doesn't. The r...
JavaScript (Node.js), 51 bytes n=[];f=(a)=>a&&a.map?(n.push(a.length),f(a[0]),n):n Run f on your input, e.g. f([[],[]]). Explanation: n=[]; // make a global array to hold the res...
Swift 5.4, 17 bytes func f(){f()};f() Pretty simple. It just calls itself until it stack overflows. You need to compile and run it, not just do it in the REPL, because the REPL just drops you b...
