Different situations require different strategies.

1. Garden Island: Which of the 2 strategies below for picking the flowers at the North end of the island looks the most efficient and why?

  1. Go back and forth in rows: pick a row, turn south and hop, if there are more flowers to pick, turn the right way and pick another row.
  2. Pick in spirals: pick a row, if there's another flower to the right, turn right and pick another row.

2. Look at the ZigZag lakes problem

  1. How will the first Jeroo know that all the flowers have been picked?
  2. How will the second Jeroo know that all the nets have been disabled?