Searching An Infinite Array

December 9, 2016

Given an array of positive integers in ascending order, of infinite size, find the index of an integer k in the array, or determine that it does not exist. Your solution must work in time logarithmic in the index of the requested integer.

Your task is to write a program that finds the requested integer. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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