39.4 The game of ropes and rungs 1015
39.4 The game of ropes and rungs
Each of the seven players starts by sliding down his own vertical rope,
and makes a turn every time he encounters a rung. Who wins the prize
*?
A B C D E F G
Suppose you are at positionA, and are permitted to add any number
of rungs in any positions, (provided that no two rungs are at the same
horizontal level). How would you add rungs to claim the prize*?