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DoorDash

DoorDash Interview Guide

Showing 3 of 85 questions

Ranking

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

Question

Frequency

Difficulty

Single-Threaded CPU

Simulate a single-threaded CPU processing tasks with varying arrival times and processing durations. Determine the order in which the CPU processes the tasks to minimize idle time, and return the processing order.

Greedy Algorithms

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

#1. Single-Threaded CPU

Simulate a single-threaded CPU processing tasks with varying arrival times and processing durations. Determine the order in which the CPU processes the tasks to minimize idle time, and return the processing order.

Greedy Algorithms

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

Walls and Gates

Imagine a grid representing rooms, some empty, some with walls, and some with gates. Fill each empty room with the distance to its nearest gate.

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

#2. Walls and Gates

Imagine a grid representing rooms, some empty, some with walls, and some with gates. Fill each empty room with the distance to its nearest gate.

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

Longest Increasing Path in a Matrix

Find the longest path in a matrix where each step increases in value. You can only move up, down, left, or right.

GraphsDynamic Programming

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

#3. Longest Increasing Path in a Matrix

Find the longest path in a matrix where each step increases in value. You can only move up, down, left, or right.

GraphsDynamic Programming

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

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