Knuth's power tree: Difference between revisions
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→{{header|Sidef}}: improved performance
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Line 665:
=={{header|Sidef}}==
{{trans|zkl}}
<lang ruby>
var p = Hash(1 => 0)
func path(n) is cached {
n || return []
while (n !~ p) {
var q = []
for x in lvl[0] {
for y in path(x
break if (x+y ~~ p)
y = x+y
| |||