Amaury Forgeot d'Arc added the comment:
solution.put(c) takes a *reference* to the list c.
And then the test() function continues running!
By the time the list is serialized and sent back to the main process (in
another thread), the test() function has already changed it...
As you noticed,
New submission from CALMET:
Hello,
I have to find the right order of a list, for example
try = [0,1,2,3,4,5,6,7,8,9]
try = [0,1,2,3,4,5,6,7,9,8]
try = [0,1,2,3,4,5,6,8,7,9]
and so on... in this example there are factorial(10) = 3,6 million possible
order to test.
The results with be all the
