Inspiration

Technically difficult challenge (especially NP hard aspect!) made us interested in taking the challenge from Okado.

What it does

It attempts to solve 3D bin packing problem efficiently.

How we built it

We've split the work so 2 of us implemented the basic constraints and 2 of us started to read the paper about solving bin packing problem using LP.

Challenges we ran into

We found the paper bit too difficult to implement in time, meaning we had to use lots of heuristics in order to keep the speed decent for our solver.

Accomplishments that we're proud of

We have 2 version of the solver, both using different algorithms. This allowed us to motivate each other whilst developing the solver. We've implemented rules 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 including the rotates.

What we learned

We've learnt that as we've learned in classes, NP hard problem is very difficult.

What's next for S.S.Pack

We've like to extend the project, maybe using Linear solver which should handle some of the difficult mathematics which we couldn't solve in time.

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