Flatiron Health Interview Guide

Showing 2 questions

Ranking

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

Question

Frequency

Difficulty

Letter Combinations of a Phone Number

Given a string of digits, return all possible letter combinations that the number could represent, using the typical phone keypad mapping. The goal is to generate all valid combinations in any order.

StringsRecursion

Very likely

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

Medium

#1. Letter Combinations of a Phone Number

Medium

Given a string of digits, return all possible letter combinations that the number could represent, using the typical phone keypad mapping. The goal is to generate all valid combinations in any order.

StringsRecursion

This question is very likely to be asked in your Flatiron Health interview

Ways to Make a Fair Array

You're given an array of numbers. Find how many ways you can remove a single element to make the sums of the even-indexed and odd-indexed elements equal.

ArraysDynamic Programming

Not likely

If you have a Flatiron Health interview, it's unlikely that you will get this question. Flatiron Health does ask it, but it's rare

Medium

#2. Ways to Make a Fair Array

Medium

You're given an array of numbers. Find how many ways you can remove a single element to make the sums of the even-indexed and odd-indexed elements equal.

ArraysDynamic Programming

This question is not likely to be asked in your Flatiron Health interview

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