Polina Slavskaya Semant1ka

## solution.py
"""
You are given a set of log files in the format below.
Write a function that will return a resource with maximum number of hits in any 5 minute time frame.
You should return hits count and resource name.
"""

log = [
    ["2", "user_1", "resource_1"],
    ["130", "user_1", "resource_1"],
    ["355", "user_1", "resource_2"],

## solution.py
"""
# Definition for a Node.
class Node:
    def __init__(self, val, left=None, right=None):
        self.val = val
        self.left = left # prev
        self.right = right # next
"""
"""
Approach:

## solution.py
from collections import OrderedDict, defaultdict


def add_tags(obj, string):
    # remember the index of each element
    indexes = {k: v for k, v in enumerate(string)}

    # formatting
    formatting = defaultdict(list)

## solution.py
from collections import deque

class FileObject:
    def __init__(self, name):
        self.content = None
        self.name = name
        self.children = []


class FileSystem:

## solution.py
class HitCounter:

    def __init__(self):
        self.counters = dict()


    def hit(self, timestamp: int) -> None:
        self.counters[timestamp] = self.counters.get(timestamp, 0) + 1


## solution.py
from collections import deque

class Codec:

    def serialize(self, root):
        """Encodes a tree to a single string.

        :type root: TreeNode
        :rtype: str
        """

## data07-big-with-cycle.js
sankeyDraw(
  {
"nodes": [
  {"name": "Improve CX Flow"},
  {"name": "Nevermind Response"},
  {"name": "Download Resources"},
  {"name": "Our Amazing Customers"},
  {"name": "Last Response"},
  {"name": "Emoji Response"},
  {"name": "Greeting"},

## index.html
<!DOCTYPE html>
<html>
<head>

<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
<script type="text/javascript" src="./sankey.js"></script>

<title>Sankey Diagram</title>
<style>

## gist:f49ec0659091b1ad6eb72b88958658d7
{"nodes": [{"name": "Improve CX Flow"}, {"name": "Nevermind Response"}, {"name": "Download Resources"}, {"name": "Our Amazing Customers"}, {"name": "Last Response"}, {"name": "Emoji Response"}, {"name": "Greeting"}, {"name": "Abandoned"}, {"name": "About Ada"}, {"name": "Customers"}, {"name": "Customer's Bot On Site"}, {"name": "Mike Murchison"}, {"name": "David Hariri"}, {"name": "How much can I save"}, {"name": "Ada in the Press"}, {"name": "Positive Review"}, {"name": "Careers"}, {"name": "Mikael"}, {"name": "1000-5000"}, {"name": "Wolfram Alpha API"}, {"name": "About"}, {"name": "Price"}, {"name": "Channels"}, {"name": "> 5000"}, {"name": "Sad"}, {"name": "Acknowledgement"}, {"name": "No, I'm just browsing"}, {"name": "Wolfram API - II"}, {"name": "Competition"}, {"name": "24/7 Office Hours"}, {"name": "Personalize - Website Landing Page"}, {"name": "Personalize - Customize every convo"}, {"name": "Optimize - Calculate your savings"}, {"name": "Languages"}, {"name": "Self-Learning"}, {"name": "Common Ques

## etl_tools.csv

          
            Name
            Price
            Link
            Language

            
              Apache Airflow
              Free (Paid cloud integrations available)
              https://airflow.apache.org/
               Python

            
              Luigi
              Free
              https://luigi.readthedocs.io
               Python

            
              Scriptella
              Free
               http://scriptella.org/#usage
               SQL and JavaScript

            
              Talend
              Available for free
              https://www.talend.com/

            
              Matillion
              Prices from $1.37 per hour
              https://www.matillion.com/
	"""
	You are given a set of log files in the format below.
	Write a function that will return a resource with maximum number of hits in any 5 minute time frame.
	You should return hits count and resource name.
	"""

	log = [
	["2", "user_1", "resource_1"],
	["130", "user_1", "resource_1"],
	["355", "user_1", "resource_2"],
	"""
	# Definition for a Node.
	class Node:
	def __init__(self, val, left=None, right=None):
	self.val = val
	self.left = left # prev
	self.right = right # next
	"""
	"""
	Approach:
	from collections import OrderedDict, defaultdict


	def add_tags(obj, string):
	# remember the index of each element
	indexes = {k: v for k, v in enumerate(string)}

	# formatting
	formatting = defaultdict(list)
	from collections import deque

	class FileObject:
	def __init__(self, name):
	self.content = None
	self.name = name
	self.children = []


	class FileSystem:
	class HitCounter:

	def __init__(self):
	self.counters = dict()


	def hit(self, timestamp: int) -> None:
	self.counters[timestamp] = self.counters.get(timestamp, 0) + 1
	from collections import deque

	class Codec:

	def serialize(self, root):
	"""Encodes a tree to a single string.

	:type root: TreeNode
	:rtype: str
	"""
	sankeyDraw(
	{
	"nodes": [
	{"name": "Improve CX Flow"},
	{"name": "Nevermind Response"},
	{"name": "Download Resources"},
	{"name": "Our Amazing Customers"},
	{"name": "Last Response"},
	{"name": "Emoji Response"},
	{"name": "Greeting"},
	<!DOCTYPE html>
	<html>
	<head>

	<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
	<script type="text/javascript" src="./sankey.js"></script>

	<title>Sankey Diagram</title>
	<style>
Name	Price	Link	Language
Apache Airflow	Free (Paid cloud integrations available)	https://airflow.apache.org/	Python
Luigi	Free	https://luigi.readthedocs.io	Python
Scriptella	Free	http://scriptella.org/#usage	SQL and JavaScript
Talend	Available for free	https://www.talend.com/
Matillion	Prices from $1.37 per hour	https://www.matillion.com/