Oracle Coding Interview Questions

Oracle Coding Interview Questions

Get exceptionally good at coding interviews by solving one problem every day.They are a wide variety of questions inspired by real programming interviews, with in-depth solutions that clearly take you through each core concept. Get exceptionally good at coding interviews by solving one problem every day. We will together solve these problems using JavaScript.

Daily coding problems

They are a wide variety of questions inspired by real programming interviews, with in-depth solutions that clearly take you through each core concept.

Get exceptionally good at coding interviews by solving one problem every day.

We will together solve these problems using JavaScript.

Problem #1

Question

We say a number is sparse if there are no adjacent ones in its binary representation.

For example, 21 (10101) is sparse, but 22 (10110) is not. For a given input N, find the smallest sparse number greater than or equal to N.

Do this in faster than O(N log N) time.

Solution

First of all, convert a integer to binary as follows.

Then we implement the following get_next_sparse(num) function that returns the smallest sparse number greater than or equal num.

We loop through an array of string and break when the current digit and previous digit are equal to the string of 1 and then create the array of zeros as follows.

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