Executable library: Difference between revisions

=={{header|Nanoquery}}==

The global boolean value 'main' is true is the program is being executed directly and false if it is being imported as a library.

<lang Nanoquery>def hailstone(n)

seq = list()

while (n > 1)

append seq n

if (n % 2)=0

n = int(n / 2)

else

n = int((3 * n) + 1)

end

end

append seq n

return seq

end

if main

h = hailstone(27)

println "hailstone(27)"

println "total elements: " + len(hailstone(27))

print h[0] + ", " + h[1] + ", " + h[2] + ", " + h[3] + ", ..., "

println h[-4] + ", " + h[-3] + ", " + h[-2] + ", " + h[-1]

max = 0

maxLoc = 0

for i in range(1,99999)

result = len(hailstone(i))

if (result > max)

max = result

maxLoc = i

end

end

print "\nThe number less than 100,000 with the longest sequence is "

println maxLoc + " with a length of " + max

end</lang>