3 ms·
My guess is the first pass places every rock into a known location and the second one moves them to their correct spot. Assuming the machine starts out without
by slackingoff2017 9y ago
My guess is the first pass places every rock into a known location and the second one moves them to their correct spot. Assuming the machine starts out without knowing the total number of rocks this would make sense. You can't put any rocks into the right spot until you've seen all of them.
- BugsJustFindMe 9y agoSurely a machine that can see rocks can see all the rocks without moving them. It might need to weigh them to measure density, but that still doesn't explain double sorting.