fork download
copy 
  1. K=->a,b{A,B=a,b;(0...A*B).each{|i|Z[[i]]};p"NOT POSSIBLE"}
  2. Z=->v{c=v.last
  3. abort (0...v.size).map{|i|{:i=>i+1,:x=>v[i]}}.sort_by{|i|i[:x]}.map{|i|i[:i]}.each_slice(B).map{|r|r*' '}*?\n if v.size==A*B
  4. ([[1,2],[2,1],[-2,1],[-1,2],[-1,-2],[-2,-1],[2,-1],[1,-2]].map{|d|o=(c/B)+d[0]
  5. u=(c%B)+d[1]
  6. (o>=0&&0<=u&&A>o&&B>u)?o*B+u :-1}.flatten-[-1]-v).each{|i|Z[v+[i]]}}
  7.  
  8. K[2,3]
Success #stdin #stdout 0s 4716KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
"NOT POSSIBLE"
https://ideone.com/WVUmX
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!