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1 vote
1 answer
189 views

How long will it take for the horse to be captured?

Source: https://open.kattis.com/problems/ambush Problem: When Farmer Oskar doesn’t watch his cows closely enough, they tend to wander off into the forest to hunt for horse spies. To catch an enemy ...
user88178's user avatar
  • 103
14 votes
7 answers
3k views

Spiders on a cube

Two spiders are trying to catch an ant. All are constrained to move along the edges of a transparent cube. The speed of the ant is $1$. The speeds of the spiders are $v_1$ and $v_2$ respectively. What'...
Eric's user avatar
  • 6,536
13 votes
1 answer
1k views

Hiding Cat Puzzle on a Grid

The Youtube channel MindYourDecisions posted a video about the "Hiding Cat Puzzle". In the puzzle, you have a line of five boxes, one of which contains a cat. You don't know where the cat is, and your ...
Riley's user avatar
  • 14.5k