はてなブックマーク

Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? def solve(q, st, ed) ns = q.split(',').map(&:to_i) (1..ns.size).each{|sz| ps = ns.each_slice(sz).to_a ds = ps.zip([[]]+ps).drop(1).map{|x,y|x.zip(y).map{|a,b|a-b}}.uniq next if ds[2] || (ds[1] && ds[0].zip(ds[1]).select{|x,y| x && y && x != y}.size > 0) d = ds.max return