Interestingly, now that someone submitted a change to the Java implementation, s...

0xFFC · on Dec 20, 2014

can you explain a little further ?

logicchains · on Dec 20, 2014

I think it's easier to read the code:

Instead of a vector of node classes, there's a

    static final int[][] nodes;

Which is used in a similar manner to a vector of node classes, but due to containing primitives (ints) is unboxed.

igouy · on Dec 21, 2014

When "the longest path problem" is reduced to indexed-access to an integer-sequence, does it become a duplicate of fannkuch?

weitzj · on Dec 20, 2014

and you do not copy the bool array around as it was done in the previous version