radarek‭

Ruby, 20 bytes ->a,b{4[a]*4[b]+a+b} Attempt This Online!

posted 3y ago by radarek‭

Ruby, 27 bytes ->n{(2..n).all?{n%_1**2>0}} Try it online

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 25 bytes ->e{e.to_c*e[/ .*/].to_c} Try this online!

posted 3y ago by radarek‭

Ruby, 75 72 bytes f=->((e,*r),n){(i=n.index e)?f[r[0,i],n[...i]]+f[r[i..],n[i+1..]]+[e]:n} Attempt This Online!

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 50 bytes ->n{n.times{puts (' '*(n-_1)+'_/'+'##'*_1)[3..]}} Attempt This Online!

posted 3y ago by radarek‭

Ruby, 100 96 bytes According to the rules, trailing white spaces and line feed are allowed and my program uses that: ->p,s{"Par Bogey Double bogey Triple bogey Hole in one Albatross Eagl...

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 22 bytes ->{(1.._2).reduce &_1} Try this online! Without using reduce (28 bytes): f=->g,n{n<2?n:g[n,f[g,n-1]]} Try this online!

posted 3y ago by radarek‭

Ruby, 31 bytes ->a{a.map{$*[_1]=1.+$*[_1]||0}} Try this online! $* is a global variable, so calling this lambda multiple times (in a single process) would give wrong result. A 32 bytes vers...

posted 3y ago by radarek‭  ·  edited 2y ago by radarek‭

Ruby, 70 bytes ->s{s+=s.reverse;s[..-2].gsub(/./){t=$&+' '*$.+$/;t[-2]=$&;$.+=1;t}+s} Try this online!

posted 3y ago by radarek‭

Ruby, 52 51 bytes 13.times{puts:YWUSQOMKIGECABDFHJLNPRTVXZ[12-_1,14]} Attempt This Online!

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 24 bytes gets=~/ /;puts$`,$'*2+$` Try this online!

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 70 67 66 bytes ->c{a=0;c.bytes{|b|a,=[b<106?a+b/3-34:b<112?p(a):a*a,0]-[-1,256]}} Test this online!

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 14 bytes ->{_1|[]in[_]} Alternative solution: ->a{!(a|a)[1]} Try this online! Couple of other solutions I developed: ->a{!a.uniq[1]} # 15 bytes ->{!(_1|[])[1]} # 15...

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 48 45 bytes ->w{([p].*w*''=~/$/).zip(*w.map(&:chars))*''} Try this online! It could be improved to 32 bytes, if every string is represented as an array of characters: ->w{([p]...

posted 3y ago by radarek‭  ·  edited 3y ago by radarek‭

Ruby, 57 bytes ->a,b,c{%w[+ - * / % **].select{c==a.send(_1,b)rescue p}} Attempt This Online!

posted 3y ago by radarek‭