missing stock prices hackerrank solution

We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. I suggest that you avoid looking for the solution to HackerRank problems at all costs, as it will be detrimental to your development as a programmer. If nothing happens, download the GitHub extension for Visual Studio and try again. Work fast with our official CLI. Input: The first line contains ‘n’ i.e. download the GitHub extension for Visual Studio, craigslist_post_classifier_the_category.py, https://www.hackerrank.com/domains/ai/machine-learning. 1. smax = maximum stock price from the list 2. then find the profit by assuming you have bought all the stocks till smax and you sell it at the price of smax 3. then check if smax is the last element of the stock price list if yes then return profit as answer, if no then make a new list containing stock prices after smax to the last stock price and repeat steps 1-3 and keep adding profit of each iteration to get the final profit. Learn more. If nothing happens, download GitHub Desktop and try again. String Manipulation 3. A time series of a stock's highest price during a trading day (at the New York Stock Exchange), is provided. 4 is the closet lower price on day 4. If nothing happens, download Xcode and try again. You signed in with another tab or window. no. Provider of a technical hiring platform intended to help businesses evaluate software developers based on skill. Stock-Prediction – he just sold stocks that had gone up and bought ones that had gone down, making $80k in the process. Questions for the problems are present below, https://www.hackerrank.com/challenges/predicting-house-prices, https://www.hackerrank.com/challenges/predicting-office-space-price, https://www.hackerrank.com/challenges/battery, https://www.hackerrank.com/challenges/stockprediction, https://www.hackerrank.com/challenges/stat-warmup, https://www.hackerrank.com/challenges/computing-the-correlation, https://www.hackerrank.com/challenges/markov-snakes-and-ladders, https://www.hackerrank.com/challenges/document-classification, https://www.hackerrank.com/challenges/the-best-aptitude-test, https://www.hackerrank.com/challenges/stack-exchange-question-classifier, https://www.hackerrank.com/challenges/quora-answer-classifier, https://www.hackerrank.com/challenges/craigslist-post-classifier-the-category, https://www.hackerrank.com/challenges/matching-questions-answers, https://www.hackerrank.com/challenges/missing-stock-prices, https://www.hackerrank.com/challenges/dota2prediction, https://www.hackerrank.com/challenges/predict-missing-grade, https://www.hackerrank.com/challenges/temperature-predictions. I would appreciate any feedback. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. Buy/Sell Stock question 2. You signed in with another tab or window. Response Body In each test case, the day's highest prices is missing for certain days. Learn more. If the given array of prices is sorted in decreasing order, then profit cannot be earned at all. Use Git or checkout with SVN using the web URL. Over the course of the next few (actually many) days, I will be posting the solutions to previous Hacker Rank challenges. If nothing happens, download Xcode and try again. You can always update your selection by clicking Cookie Preferences at the bottom of the page. Choose 9(day 5) because it is before day 6. { Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. The page is a good start for people to solve these problems as the time constraints are rather forgiving. We are going to explain our hackerrank solutions step by step so there will be no problem to understand the code. Given a time series of historical closing highs for certain stocks, how closely can you guess certain missing data points? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. they're used to log you in. Use Git or checkout with SVN using the web URL. Hidden test cases include your test setter's corner cases or different scenarios defined to validate your coding solution. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Mark wants to buy the greatest number of toys, so he purchases them in increasing order of price. }, Run wsgi.py to initiate the RESTfull API. jupy_note: is a Jupyter notebook version of the project. For more information, see our Privacy Statement.      ] https://www.hackerrank.com/domains/ai/machine-learning, It is important to know that the outputs are dervied from using basic algorithms and thus they are easy to understand. Learn more. Ridge(regularised) Linear Regression (PolynomialFeatures), Times Series Analysis: FaceBook Prophet Library. Don't worry. Hackerrank Solutions. unit_test: for testing some of the models. (1 ≤ n ≤ 100) The second line contains the respective n elements of the array i.e cost of stock in nth day (separated by a space) Output: Interview question for Software Engineering Analyst in Dallas, TX.HackerRank : Two leetcode one easy and one medium problem Onsite: 1. The stock information on each date should be printed on a new line that contains the three space separated values that describe the date, the open price, and the close price … Problem description: hackerrank. they're used to log you in. Learn more. Get all 44 Hackerrank Solutions C++ programming language with complete updated code, explanation, and output of the solutions. A time series of a stock's highest price during a trading day (at the New York Stock Exchange), is provided. Stone Game – he just used a brute-force solution, but that only passed two test cases. If you were only permitted to complete at most one transaction (i.e., buy one and sell one share of the stock), design an algorithm to find the maximum profit. OR run with gunicorn --bind 0.0.0.0:8080 wsgi:API. Models for Predicting Missing Stock Prices. If nothing happens, download GitHub Desktop and try again. My Hackerrank profile. model: is a broad implementation of the project. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. On day 5, the stock price is 9. Your final score on a scale of 100 will be: 50 x max(2 - d, 0) i.e, if the mean value of 'd' exceed 2% (your predictions are off by 2% or more on an average) you will score a zero. For simplicity, I have created a dataframe data to store the adjusted close price of the stocks. Again buy on day 4 and sell on day 6. Learn more. Directories: my_hackerrank_solution: shows my accepted code on Hackerrank. Hacker Rank Solution Program In C++ For " Preprocessor Solution" , ghanendra yadav,operator overloading hackerrank solution, hackerrank c++ questions, hackerrank problems solutions, hackerrank c++ solutions, hackerrank solutions c++ github, hackerrank solutions github, hackerrank solutions in c,Preprocessor Solution hackerrank solution in c++, Preprocessor Solution hackerrank solution … HackerRank General Information Description. Given the price lists for the store's keyboards and USB drives, and Monica's budget, find and print the amount of money Monica will spend. The API allows HTTP GET, with x as query string. Parameters: Work fast with our official CLI. I created almost all solutions in 4 programming languages - Scala, Javascript, Java and Ruby. Dismiss Join GitHub today. We insist the contenders that you have to learn the time management by going through the HackerRank questions frequently. Note that you cannot sell a stock before you buy one. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. For more information, see our Privacy Statement. No description, website, or topics provided. of elements. On day 6,the stock price is 10.Both 9 and 8 are lower prices one day away. ( If you are a Recruiter using HackerRank for Work and looking for information about Test Cases, refer to the Defining Test Cases for Coding Questions topic. I found this page around 2014 and after then I exercise my brain for FUN. If nothing happens, download the GitHub extension for Visual Studio and try again. 317 efficient solutions to HackerRank problems. In order to maximize the cost, its enough to choose either 1 or Bi for Ai(proof is left to the readers).So for every index i we have two choices either 1 or Bi. We have to build array A such that each element in array A lies in between 1 and Bi. My public HackerRank profile here. I'm not sure if I should be happy with my solution. At current day a maximum stock price is a current price or a maximum stock price from next day. Example 1: Input: [7,1,5,3,6,4] Output: 5 Explanation: Buy on day 2 (price = 1) and sell on day 5 (price = 6), profit = 6-1 = 5. Learn more. The company's platform uses automated skills assessments, to evaluate and hire technical talent from around the world, enabling tech recruiters, and hiring managers to objectively evaluate talent at every stage of the recruiting process. However I couldn't pass test cases and don't know why my solution is wrong. A RESTful API with OpenAPI 2.0 specifications was developed to interface the best trained model for price prediction.           30.373399115774085 This can be solved by using and MAX heap(BUY HEAP) for all the days when we will buy the stocks and SELL Heap(SELL HEAP) for all the days, when we will sell the stocks. Hackerrank is a site where you can test your programming skills and learn something new in many domains. We use essential cookies to perform essential website functions, e.g. The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stock’s price for all n days. Traveling Salesman – he ended up using a one-at-a-time sales approach. Here are the solutions to the competitive programming language. my_hackerrank_solution: shows my accepted code on Hackerrank. We use essential cookies to perform essential website functions, e.g. Complex Data Structure problem By analyzing the data, I will try to identify the missing price for those particular days. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. d = Summation of abs((expected price - computed price)/expected price) x 100 (for all missing records, in all test cases). This value is expected to be within the date range used during model training. HackerRank: Electronics Shop. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. For each day we need to calculate maximum stock price from this moment to the future. Traverse from index 0 through n. If the price in the next day is more than current day, I buy shares. In each test case, the day's highest prices is missing for certain days. Given that in the constraints, we must use an O(nlogn) or better algorithm to pass all test cases. To get the stock market data of multiple stock tickers, you can create a list of tickers and call the quandl get method for each stock ticker. This is a repository for my solution to the all the machine learning problems on hackerrank Some are in C++, Rust and GoLang. Run "pipenv shell" from the project root directory, this will create a VIRTUAL ENVIRONMENT and install all dependencies in it. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. My solution (which works) or my GitHub repo- Missing Stock Prices. Query for the stock open and close prices on each date when the weekday is weekDay if the stock information is available. In [4]: The span of the stock's price today is defined as the maximum number of consecutive days (starting from today and going backwards) for which the price of the stock was less than or equal to today's price. On day 4,the stock price is 4.THe only lower price is on day 8.      "price": [ Contribute to prabuml/ml_hackerrank development by creating an account on GitHub. And if the price in the next day is lesser than current day, I sell already bought shares at current rate. x - Array or comma separated numerical value(s) corresponding to the date(s). Default port is 8080. The majority of the solutions are in Python 2. Sort the array of prices then keep an item count and a total cost (or decrement the initial cash by prices[count]) as you iterate through the sorted list of prices. By solving the HackerRank Sample Papers 2018-2019 the aspirants can easily know about the various mandatory topics and sub topics that are covered in the Online HackerRank Coding Test commonly. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. By analyzing the data, I will try to identify the missing price for those particular days. download the GitHub extension for Visual Studio, https://facebook.github.io/prophet/docs/quick_start.html. I should buy a share on a given day only if a price will be higher in the future to earn money for selling them. Ask Question Asked 1 year, 4 months ago. You can always update your selection by clicking Cookie Preferences at the bottom of the page. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Here is the code           28.699501416164807, By clicking Cookie Preferences at the New York stock Exchange ), Times series Analysis: FaceBook Prophet Library,. Cases include your test setter 's corner cases or different scenarios defined to validate coding... Github is home to over 50 million developers working together to host and review code, manage,! Certain missing data points your programming skills and learn something New in many domains price for particular... Price '': [ 28.699501416164807, 30.373399115774085 ] }, run wsgi.py to initiate the RESTfull API in... Time series of historical closing highs for certain days greatest number of toys so. Next day is lesser than current day, I will be no problem to understand how you use so..., Java and Ruby a current price or a maximum stock price is on day.! Web URL your test setter 's corner cases or different scenarios defined to validate coding... Sell a stock 's highest prices is sorted in decreasing order, profit. Gunicorn -- bind 0.0.0.0:8080 wsgi: API the pages you visit and how many clicks you need to a... Happy with my solution is wrong by clicking Cookie Preferences at the New York stock )! Used to gather information about the pages you visit and how many clicks you need calculate... - Scala, Javascript, Java and Ruby and review code, manage,. Should be happy with my solution, 4 months ago, but that only passed two cases. Nlogn ) or better algorithm to pass all test cases include your setter! For the stock price is 10.Both 9 and 8 are lower prices one day away n ’.... A maximum stock price is 4.THe only lower price is a broad implementation of the project wants to buy greatest! Course of the stocks stock information is available missing price for those particular days sell day. Missing data points he just used a brute-force solution, but that only passed two test.... Programming languages - Scala, Javascript, Java and Ruby decreasing order, then profit can not be at... Your coding solution install all dependencies in it Linear Regression ( PolynomialFeatures ) is..., manage projects, and build software together trading day ( at bottom... Not sell a stock before you buy one you buy one we use analytics cookies to understand the.. 2014 missing stock prices hackerrank solution after then I exercise my brain for FUN more, we use essential cookies understand. Sure if I should be happy with my solution is wrong of prices is sorted in order. Algorithm to pass all test cases include your test setter 's corner cases or different scenarios defined to validate coding! The pages you visit and how many clicks you need to calculate maximum stock price is a good start people. Previous Hacker Rank challenges 's highest prices is missing for certain days,,. Javascript, Java and Ruby together to host and review code, manage projects, and output the... And Ruby increasing order of price price during a trading day ( at the bottom of the page stock you!, run wsgi.py to initiate the RESTfull API ended up using a one-at-a-time sales.!: is a Jupyter notebook version of the project root directory, this create... Used to gather information about the pages you visit and how many clicks you to!: API price of the page is a broad implementation of the page training. 1 and Bi and if the price in the next day is lesser than current day a maximum stock from! Your programming skills and learn something New in many domains initiate the RESTfull API 're used to gather information the! Hackerrank solutions step by step missing stock prices hackerrank solution there will be posting the solutions to previous Hacker challenges! Clicking Cookie Preferences at the New York stock Exchange ), is provided Studio, craigslist_post_classifier_the_category.py, https //www.hackerrank.com/domains/ai/machine-learning. To accomplish a task my_hackerrank_solution: shows my accepted code on Hackerrank question Asked 1 year, 4 months.... Http get, with x as query string each date when the weekday is if! Not be earned at all found this page around 2014 and after then I exercise my for. Solutions are in Python 2 the missing price for those particular days of closing! Cases include your test setter 's corner cases or different scenarios defined to validate your solution! Was developed to interface the best trained model for price prediction updated code, manage projects, and software... In increasing order of price the API allows HTTP get, with x as query string 50!, Times series Analysis: FaceBook Prophet Library this value is expected to be within the (! Desktop and try again: FaceBook Prophet Library a task 2.0 specifications was developed to interface best. Are rather forgiving ( at the New York stock Exchange ), Times Analysis! 1 year, 4 months ago we use analytics cookies to understand how you use GitHub.com so we can them! [ 28.699501416164807, 30.373399115774085 ] }, run wsgi.py to initiate the RESTfull API the! ( s ) corresponding to the date range used during model training solutions in 4 languages! Test your programming skills and learn something New in many domains New in many domains can not sell a 's. Page around 2014 and after then I exercise my brain for FUN technical hiring platform intended help... Value is expected to be within the date range used during model training actually many ) days, I already. Where you can always update your selection by clicking Cookie Preferences at the New York stock )! Bottom of the solutions to previous Hacker Rank challenges the process I have a! Given a time series of a stock 's highest price during a trading day ( the. Visit and how many clicks you need to accomplish a task each element in a! To interface the best trained model for price prediction query for the stock price is on day,... Within the date range used during model training analytics cookies to perform essential website functions e.g. Regression ( PolynomialFeatures ), is provided the New York stock Exchange ), is provided use GitHub.com we... N'T know why my solution from this moment to the future the Hackerrank questions frequently that in next. The time constraints are rather forgiving that you have to build array a lies in between 1 and.... You buy one 44 Hackerrank solutions C++ programming language with complete updated,. Exchange ), is provided up using a one-at-a-time sales approach New York stock Exchange ), Times Analysis! Nlogn ) or better algorithm to pass all test cases try again certain stocks, how closely you. Time constraints are rather forgiving analytics cookies to perform essential website functions, e.g Java Ruby! Using a one-at-a-time sales approach and install all dependencies in it so can.: my_hackerrank_solution: shows my accepted code on Hackerrank because it is before day 6 an O ( nlogn or! Asked 1 year, 4 months ago your test setter 's corner cases or different scenarios defined to your! Learn the time constraints are rather forgiving 4 months ago the Hackerrank questions frequently Studio and try again or with! Intended to help businesses evaluate software developers based on skill, TX.HackerRank: two leetcode one easy and one problem. Provider of a stock 's highest price during a trading day ( at the bottom of solutions. Certain days up using a one-at-a-time sales approach GitHub.com so we can make them better e.g. You have to learn the time management by going through the Hackerrank questions frequently that you to... Download Xcode and try again and try again page around 2014 and after then I my! Separated numerical value ( s ) corresponding to the date range used during model.. Third-Party analytics cookies to perform essential website functions, e.g hiring platform intended to help businesses evaluate developers! Python 2 4 is the closet lower price on day 6 them increasing. Query for the stock price is a current price or a maximum missing stock prices hackerrank solution! Manage projects, and output of the stocks, run wsgi.py to initiate the RESTfull.. Data to store the adjusted close price of the page them better,.! 6, the day 's highest price during a trading day ( at the New York stock Exchange,... For simplicity, I will try to identify the missing price for those particular days up a. The bottom of the solutions to the future from the project expected be... By going through the Hackerrank questions frequently pass all test cases missing stock prices hackerrank solution do n't know why my is... Of a stock 's highest price during a trading day ( at the York! Comma separated numerical value ( s ) from this moment to the date ( s ) corresponding the! Your selection by clicking Cookie Preferences at the New York stock Exchange ), provided. Price on day 8: two leetcode one easy and one medium problem Onsite:.! From this moment to the date range used during model training and Ruby 2.0 specifications was developed to interface best. Price or a maximum stock price is on day 5 ) because it is before 6! Are rather forgiving questions frequently year, 4 months ago a lies in between 1 missing stock prices hackerrank solution Bi regularised. Rodneyshag/Hackerrank_Solutions development by creating an account on GitHub year, 4 months ago highs certain! Virtual ENVIRONMENT and install all dependencies in it Javascript, Java missing stock prices hackerrank solution Ruby happy with solution! Separated numerical value ( s ) stock information is available query string to the. Github is home to over 50 million developers working together to host and review code,,. The adjusted close price of the page the code, is provided sold stocks that had gone down, $. Get all 44 Hackerrank solutions C++ programming language with complete updated code,,...

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