Answer to Question #226253 in Functional Programming for Klaus

Question

It is lunch time in school. N students labeled from 1 to N are sitting in a row and having their lunch. Each student has a different item in his lunch box. In order to share food fast enough among each other, the ith student can exchange his food with (1/2)" student.

In how many minimum exchanges can the Ah student exchange food with the Bh student? (In the process, other students are also allowed to exchange food).

Input Specification:

input1: N, denoting the total number of student.

input2: A, denoting the student index.

input3: B, denoting the student index.

Output Specification:

Your function should return the minimum exchanges.

Answer 1

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