Solve hanging lantern problem: Difference between revisions
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{{out}}
<pre>Same as FreeBASIC entry.</pre>
=={{header|FutureBasic}}==
<syntaxhighlight lang="futurebasic">
_elements = 5
local fn GetLantern( arr(_elements) as long ) as long
long i, res = 0
for i = 1 to _elements
if arr(i) != 0
arr(i) = arr(i) - 1
res = res + fn GetLantern( arr(0) )
arr(i) = arr(i) + 1
end if
next
if res = 0 then res = 1
end fn = res
long i, j, a(_elements)
for i = 1 to _elements
a(i) = i
print "[";
for j = 1 to i
if j == i then print a(j); else print a(j); ",";
next
print "] = "; fn GetLantern( a(0) )
next
HandleEvents
</syntaxhighlight>
{{output}}
<pre>
[1] = 1
[1,2] = 3
[1,2,3] = 60
[1,2,3,4] = 12600
[1,2,3,4,5] = 37837800
</pre>
=={{header|J}}==
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