Question 13
Kangaroo wants to get home by jumping along the paths below. Kangaroo can jump only horizontally (left or right) or vertically (up or down), and can jump over a pile of stones only if it contains no more than two stones.
The distance between two neighboring intersections is called one road segment. What is the minimum number of road segments Kangaroo must jump to reach home in the bottom-right corner?
The distance between two neighboring intersections is called one road segment. What is the minimum number of road segments Kangaroo must jump to reach home in the bottom-right corner?