Vaibhav Walia vaibhav-walia

Build docker image

$ cd /path/to/Dockerfile
$ sudo docker build .

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

Stores data elements based on an sequential, most commonly 0 based, index.
Based on tuples from set theory.

	apt update

	#install curl
	apt install -y curl

	#install a few prerequisite packages which let apt use packages over HTTPS
	sudo apt install apt-transport-https ca-certificates curl software-properties-common

	#add the GPG key for the official Docker repository
	curl -fsSL https://download.docker.com/linux/ubuntu/gpg \| sudo apt-key add -

	#include <iostream>
	#include <string.h>
	using namespace std;

	int t;//number of test cases
	int price[100000][3]={0};
	int cache[100000][3]={-1};
	int n;
	unsigned int costOfBuying(int fromShop, int item){
	//if buying from last shop, return total price