KöMaL 2013 B4526
A wildfire spreads at a speed of 1 km/h in all directions. When the fire has burnt a circle of radius 1 km, an excavator arrives at the edge of the fire to dig a ditch to stop the spreading of the fire. The excavator can proceed at a maximum speed of 14 km/h. Find a possible path for the excavator such that the fire should not burn a total area greater than 13 .
Official text KöMaL. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.