17/12/22 20:06:25.02 FRcsVGN9.net
>>883 ruby
f=->n,k{n==1?[[k]]:(1..k/n).flat_map{|i|f[n-1,k-i].map{|j|[i,*j].sort}}.uniq}
(1..22).each{|i|f[i,22].each{|a|p a if a.map{|e|1r/e}.sum==1}}
#=>[2, 4, 8, 8]
[2, 5, 5, 10]
[3, 3, 4, 12]
17/12/22 20:06:25.02 FRcsVGN9.net
>>883 ruby
f=->n,k{n==1?[[k]]:(1..k/n).flat_map{|i|f[n-1,k-i].map{|j|[i,*j].sort}}.uniq}
(1..22).each{|i|f[i,22].each{|a|p a if a.map{|e|1r/e}.sum==1}}
#=>[2, 4, 8, 8]
[2, 5, 5, 10]
[3, 3, 4, 12]