31:T59f,/* Exemple output: 33 (Business owner 42 received three conversations total (1, 2, and 4), but only responded to one conversation (conversation ID 1)).*/ function BuzOwnerinfo(ownerId, messages) { var rate = 0 var ownerResponse = 0 var ownerResponseID = [] var senderID = [] var onwerInbox = [] var conversationTotal = 0 // Return 0 if user doesn't have any messages if (messages === undefined || messages.length == 0) { return 0 } // loop through user messages for (var i = 0; i < messages.length; i++) { var sender = messages[i]["sender"] var receiver = messages[i]["recipient"] var message = messages[i]["messageId"] //Check if Owner responded to any messages and store the message id if (sender == ownerId) { ownerResponse += 1 ownerResponseID.push(message) } // Check if the owner has received any messages and store message id if (receiver == ownerId) { conversationTotal += 1 onwerInbox.push(message) } } // Sum all the unique messagesID var sumOfReceivedMessageId = onwerInbox.reduce((a, b) => a + b, 0) // subtratct ownerId - total inbox from unique users. var result = ownerId - sumOfReceivedMessageId // var result = "Business owner " + ownerId + " received " + conversationTotal + " conversation total, but only responded to " + ownerResponse + " (conversation ID " + ownerResponseID + ")." return result }32:T643, function FindAvg(event) { var adsOcc = [] var adsBizId = [] var pageViewsOcc = [] var pageViewsBizId = [] var photoViewsOcc = [] var photoViewsBizId = [] var reviewsOcc = [] var reviewsBizId = [] for (var i = 0; i < event.length; i++) { var eventType = event[i][0] var occ = event[i][1] var bizId = event[i][2] if (eventType == 'ads') { adsOcc.push(occ) adsBizId.push(bizId) } if (eventType == 'page_views') { pageViewsOcc.push(occ) pageViewsBizId.push(bizId) } if (eventType == 'photo_views') { photoViewsOcc.push(occ) photoViewsBizId.push(bizId) } if (eventType == 'reviews') { reviewsOcc.push(occ) reviewsBizId.push(bizId) } } var totalAds = adsOcc.reduce((a, b) => a + b, 0) var adsAvg = totalAds/adsOcc.length var totalpageViews= pageViewsOcc.reduce((a, b) => a + b, 0) var pageViewsAvg = totalpageViews/pageViewsOcc.length var totalphotoView = photoViewsOcc.reduce((a, b) => a + b, 0) var photoViewAvg = totalphotoView/photoViewsOcc.length var totalReviews = reviewsOcc.reduce((a, b) => a + b, 0) var reviewsAvg = totalReviews/reviewsOcc.length var testArr = [] testArr.push(adsBizId, pageViewsBizId) var testArr2 = [] testArr2.push(photoViewsBizId + reviewsBizId) // 2 event occurences and occ.length >= 1 var res = reviewsBizId.filter(value => -1 !== photoViewsBizId.indexOf(value)).sort() var res1 = adsBizId.filter(value => -1 !== pageViewsBizId.indexOf(value)).sort() var finalResult = [res + res1] return finalResult } 33:T523,// Runtime: O(n^2) function findBiz(business, location) { var bizDict = {} // Loop through the business and create a dictionary with number // of occurances for each business name for (var i = 0; i < business.length; i++) { var biz = business[i].name // if it's already in the dict add 1 if (biz in bizDict) { bizDict[biz] += 1 } // if it's not in the dict set it to 1 else { bizDict[biz] = 1 } } var bizArr = [] // Loop through bizDict and create sorted array for (var key in bizDict) { var value = bizDict[key] // if array is empty add item if (bizArr.length == 0) { bizArr.push([key, value]) } else { //Iterate through array and insert the item at the right index for (var x = 0; x < bizArr.length; x++) { let item = bizArr[x] // Sort bussiness by occurances if (item[1] < value) { bizArr.splice(x, 0, [key, value]) break // Sort bussiness by name } else if (value == item[1] && item[0] > key) { bizArr.splice(x, 0, [key, value]) break // if we reach the end of the array push the business } else if (x == bizArr.length) { bizArr.push([key, value]) } } } } return bizArr }34:[] 2f:{"title":"Yelp practice Coding Challenge","cells":[{"id":0,"value":"md`# Yelp practice Coding Challenge`","pinned":false,"hidden":false,"mode":"ojs"},{"id":378,"value":"html`

/* Challenge 1 */

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":2,"value":"OwnerBizId = 42 ","pinned":true,"hidden":false,"mode":"ojs"},{"id":6,"value":"Allmessages = [\n{sender: 1, recipient: 42, messageId: 1},\n{sender: 42, recipient: 1, messageId: 1},\n{sender: 2, recipient: 42, messageId: 2},\n{sender: 2, recipient: 42, messageId: 2},\n{sender: 3, recipient: 88, messageId: 3},\n{sender: 3, recipient: 42, messageId: 4}]","pinned":true,"hidden":false,"mode":"ojs"},{"id":78,"value":"noMessages = []","pinned":true,"hidden":false,"mode":"ojs"},{"id":16,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":18,"value":"BuzOwnerinfo(OwnerBizId, Allmessages)","pinned":true,"hidden":false,"mode":"ojs"},{"id":377,"value":"html`

/* Challenge 2 */

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":100,"value":"input = [\n ['ads', 7, 3], \n ['ads', 8, 2], \n ['ads', 5, 1],\n ['page_views', 11, 2],\n ['page_views', 12, 3],\n ['photo_views', 10, 3],\n ['reviews', 17, 2],\n]\n\n//[2, 3]","pinned":true,"hidden":false,"mode":"ojs"},{"id":239,"value":"$32","pinned":true,"hidden":false,"mode":"ojs"},{"id":176,"value":"FindAvg(input)","pinned":true,"hidden":false,"mode":"ojs"},{"id":383,"value":"function business() {\n this.name = business.name\n this.location = business.location\n this.id = business.id\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":486,"value":"html`

/* Challenge 3 */

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":386,"value":"businessArr = [\n {\n \"name\": \"Whole Foods\",\n \"location\" : \"Seattle\",\n \"id\": 123\n },\n {\n \"name\": \"Walmart\",\n \"location\": \"Tampa\",\n \"id\": 122\n },\n {\n \"name\": \"HEB\",\n \"location\": \"Texas\",\n \"id\": 1234\n },\n {\n \"name\": \"Peets\",\n \"location\": \"San Francisco\",\n \"id\": 12344\n },\n {\n \"name\": \"HEB\",\n \"location\": \"Texas\",\n \"id\": 1234\n }\n]","pinned":true,"hidden":false,"mode":"ojs"},{"id":381,"value":"$33","pinned":true,"hidden":false,"mode":"ojs"},{"id":412,"value":"findBiz(businessArr, \"Texas\")","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W34","stdlib":"1","titling":"auto"}