Module day11

Chronal Charge

Building a summed-area table allows us to compute the power of any rectangle with only 4 array lookups.

This makes the total complexity O(n³), however the calculation for each size is independent so we can parallelize over multiple threads.

Structs

• Result
• Shared 🔒

Functions

• parse
• part1
• part2
• square 🔒
  Find the (x,y) coordinates and max power for a square of the specified size.
• worker 🔒