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Question :
Christine's Sense of Direction
Christine is on a hiking trip to a mountain. She decided to return to her town by a canoe.
She is good in canoeing, but not so good with directions. The river originates from the
glacier from where Christine will also start her trip. The river flows a distance M kilometers
before it splits into two smaller rivers. Each of these rivers further travels another M
kilometers distance before they split.
There are towns at the points where the rivers split. The towns are numbered. The river
first splits at town 1. Every town downstream from town v, is numbered 2*v (left) and 2*v+1
(right). Christine knows the location of her town is Q and has started canoeing. After
traveling a certain distance, she realized that she was on the wrong route for the past K
kilometers. If she is currently at town P, how mush distance does she have to row now to
reach her town?
Note: The rivers only split and never merge.
Input Specification
input1: M the distance between adjacent towns
input2: P the town Christine is at now.
input3: Q her home town​

Answer 1

Answer:

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