Oracle Interview Guide

Showing 3 questions

Ranking

A question's ranking corresponds to how commonly it's asked by Oracle. The higher the ranking, the more likely you'll encounter it in a Oracle interview.

Question

Frequency

Difficulty

Merge Intervals

You are given a collection of intervals. Merge all overlapping intervals into a single interval and return the result.

ArraysGreedy Algorithms

Very likely

If you have a Oracle interview, it's very likely that you will get this question

Medium

#1. Merge Intervals

Medium

You are given a collection of intervals. Merge all overlapping intervals into a single interval and return the result.

ArraysGreedy Algorithms

This question is very likely to be asked in your Oracle interview

Group Anagrams

Given a list of words, group together all the anagrams. Anagrams are words that contain the same letters rearranged.

ArraysStrings

Very likely

If you have a Oracle interview, it's very likely that you will get this question

Medium

#2. Group Anagrams

Medium

Given a list of words, group together all the anagrams. Anagrams are words that contain the same letters rearranged.

ArraysStrings

This question is very likely to be asked in your Oracle interview

Merge k Sorted Lists

You are given k sorted lists. Combine all of their elements into a single sorted list and return it.

Linked ListsGreedy Algorithms

Very likely

If you have a Oracle interview, it's very likely that you will get this question

Hard

#3. Merge k Sorted Lists

Hard

You are given k sorted lists. Combine all of their elements into a single sorted list and return it.

Linked ListsGreedy Algorithms

This question is very likely to be asked in your Oracle interview

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