• Mr. Salazar weighs 250 pounds.
• Ms. Karstens weighs 100 pounds.
• Mr. Roth weighs 150 pounds.
• The elevator they need to ride only holds 300 pounds.
• They must all get to the top floor of the building.
• There must be an operator in the elevator at all times.
How do they do it?
Only K and R can ride together.
lower case = ground floor
Upper Case = Top Floor
nnn = weight on elevator
krs 000 start
KRs 250 K and R go up.
kRs 100 K comes down. (or alternatively R)
kRS 250 S goes up.
krS 150 R comes down. (or alternatively K)
KRS 250 K and R go up.
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Posted by Larry
on 2023-01-28 09:07:55 |
Solution
