Did you solve it? Would you get into Oxford?
by Alex Bellos from Science | The Guardian on (#4TMYQ)
The solution to today's puzzle
Earlier today I set you a question from Oxford university's Mathematics Admissions Test.
You need to pack several items into your shopping bag without squashing anything. The items are to be placed one on top of the other. Each item has a weight and a strength, defined as the maximum weight that can be placed above that item without it being squashed. A packing order is safe if no item in the bag is squashed, that is, if, for each item, that item's strength is at least the combined weight of what's placed above that item. For example, here are three items and a packing order:
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