1.5 star star- finding road

來源: 於 2010-03-09 08:27:57 [舊帖] [給我悄悄話] 本文已被閱讀：次

You landed in a jangle;
Visibility is zero; You have a compass for directions;
You were told there is a road (perfect straight line) exactly 100 miles from you, where you will be rescued;

Q: what is the path you will take to find the road?
What is your distance of travel (for worse case)?