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Winner chart hackerrank solution sql server 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. CodingBroz Coding Made Simple Home; Blog; Coding Tips; HackerRank Menu Toggle. Hello coders, today we are going to solve Print Prime Numbers HackerRank Solution in SQL. 2 Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Improve this question. Take the HackerRank Certification Test and showcase your knowledge as a HackerRank verified developer. Mar 31, 2024. 10 Days of JavaScript; 10 Days of Statistics; 30 Days of Code; HackerRank Algorithms; HackerRank Linux Shell; HackerRank C; HackerRank C++; HackerRank Java; HackerRank Python; HackerRank oracle: with t1 as ( select level lvl from dual connect by level <= 20 order by level desc ) select rpad('* ', lvl*2, '* ') from t1; You signed in with another tab or window. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. This is a Medium SQL Problem. Sign in Product GitHub Copilot. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, you need to use '+' to perform Concat() instead of pipe if you are using SQL-Server. Lists. Simple Queries: Master the art of Effective solutions to hackerrank. Query In this video I am solving "Top Competitors" Problem on Hackerrank. -- A solution to HackerRank's SQL challenge. Subdomains. The attempt with the highest score is the only one considered. Note, using RANK() and not ROW_NUMBER() will include ties in the result. You switched accounts on another tab or window. Crack your coding interview and get hired. SQL Code using CTE Approach. Weather Observation Station 4 | Easy | HackerRank Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Hackerrank SQL Advanced Certification - Crypto Market Algorithms Reporthttps://www. Write better code with AI Security. Solve Challenge. MIT {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"First question of SQL Advanced certificate","path":"First question of SQL Advanced All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Create a HackerRank account Be part of a 23 million-strong community of developers. linkedin. is_evil = 0 ) select id , age , coins_needed , power from ranked where rn = 1 order by power Two pairs (X 1, Y 1) and (X 2, Y 2) are said to be symmetric pairs if X 1 = Y 2 and X 2 = Y 1. code = WP . Problem; Input Format; Explanation; Solution – Contest Leaderboard in SQL. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. Samantha interviews many candidates from different colleges using coding challenges and contests. Unsolved. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Challenge 1# : Weather Observation Station 3. Navigation Menu Toggle navigation. Open main menu. Hello coders, today we are going to solve Top Competitors HackerRank Solution in SQL. 6: Binary Tree Nodes: Solution: We can write this query using simple case when You signed in with another tab or window. I tried using You signed in with another tab or window. Weather Weather Observation Station 7 Hackerrank Solution SQL *****If You want Query click here: https://realnamehiddenin. com/vaibhav18vk/Thanks for watching us Dev19 You signed in with another tab or window. In this series, we’ll be tackling HackerRank SQL preparation tasks. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. recency | 1936 Discussions| Please Login in order to post a comment. Reload to refresh your session. election_ID as elec, c. WITH max_scores AS ( SELECT hacker_id, challenge_id, MAX(score) AS max_score FROM Submissions GROUP Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Now, Samantha’s best friend got offered a higher salary than her at 11. 50%. _____ SUBSCRIBE!Do yo This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. This 170+ solutions to Hackerrank. Stories to Help You Grow as a Software Developer. In this video I am solving the Contest Leaderboard Medium SQL Problem on Hackerrank. hacker_id, Hackerrank Solutions Sql. You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date. sql and 2. Team_id longest_streak ----- Team1 4 Team2 3 I know how to find this in plsql, but i was wondering if this can be calculated in pure SQL. sql at master · IhorVodko/Hackerrank_solutions Another way to solve this query is using the pivot function in T-SQL. Learn how HackerRank Contest Leaderboard Solution On this page. Samantha Julia Scarlet Explanation. This tutorial is only for Educational and Learning Purpose. 12; Scarlet’s best friend got Here's my solution in MS SQL Server: with ranked as ( select w . a happens to equal the minimum value in Northern Latitude (LAT_N in STATION) b happens to equal the These concepts introduce more complex features and functionalities of SQL. sql files for the solutions You signed in with another tab or window. My solution in SQL Server: SELECT id , age , coins_needed , power FROM ( SELECT W . SQL HackerRank Solutions. Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. - kumod007/All-HackerRank Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Sample Input Problem. Thanks Effective solutions to hackerrank. A day later they said I passed and awarded a certification. Group by auction and price to get the counts. Business Expansion. Status. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Guestbook. Improve this answer. List the rows such that X 1 ≤ Y 1. Written by Nishtha Nagar. GitHub Gist: instantly share code, notes, and snippets. . Nerves can peak during the programming test, and even experienced developers might blank linkedin channel link: https://www. Sort by. The STATION table is described as Please join telegram group for querieshttps://t. Discussions. Problem Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. As part of a comparison, create a query to return a list of algorithms and their volumes for each quarter of the year 2020. id , WP . Julia asked her students to create 19. : enclosed in parentheses). Add a Effective solutions to hackerrank. Please read our cookie policy for Hello coders, today we are going to solve Occupations HackerRank Solution in SQL. - Review of data shows values in that column have lengths of seven. bid_count as best_bid_submitted_times, a. Adi Effective solutions to hackerrank. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"First question of SQL Advanced certificate","path":"First question of SQL Advanced Problem. WITH RankedResult AS ( SELECT Race, Candidate, [Total Votes], MaxNoOfWinners, Hello coders, today we are going to solve Contest Leaderboard HackerRank Solution in SQL. jorh902. It is guaranteed There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Write a query to output all such symmetric pairs in ascending order by the value of X. Whether we are beginners or experienced professionals, practicing SQL exercises is important for How should I write query for this? Consider P1(a, b) and P2(c, d) to be two points on a 2D plane. Skip to content CodingBroz Coding Made Simple Home Blog Coding Tips HackerRank Menu Toggle 10 Days of JavaScript Disclaimer: The above Problem (Top Competitors) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Home; About Me; Services; Certificates; Portfolio; Contact Me; Developed by Mohamed ElsayedMohamed Elsayed Problem. instagram. mysql sql hackerrank learning-exercise hackerrank-solutions hackerrank-sql hackerrank-sql-challenge upskilling certify-maintenance hackerrank-sql-certificate. Report event_id, rank 1 name (s), rank 2 name (s), rank 3 name (s). Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Here I will try to provide multiple approaches & solutions to the same problem. Alternative Queries. Inside you will find the solutions to all HackerRank SQL Questions. age , w . Problem; Solution – Binary Tree Nodes in SQL. selects a. Hope y’all enjoyed my long drawn explanation to a simple problem, I’m trying to get better at SQL querying, so if you see any errors or have any suggestions, I am all ears. Readme License. Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Basic Join. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/Draw The Triangle 1. Then pick the best price per auction. Sep 15, 2024. So, without wasting any time, let’s jump to the In this article, I am going to share HackerRank SQL Solutions with you. Please check 1. If multiple contestants have the same score in a contest, they are at the same rank. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. We use cookies to ensure you have the best browsing experience on our website. " HackerRank concepts & solutions. ; HackerRank Advanced SQL Certification: Get Certified and Take Your Career to the Next Level. HackerRank MySQL challenge solution in the MySQL Advance Track - GitHub - hammad-ali-shah/SQL: HackerRank MySQL challenge solution in the MySQL Advance Track. The Blunder. The solutions cover a wide range of SQL challenges, Here is a solution I did not test so there may be typos. Follow edited Mar 14, 2017 at 1:50. coins_needed , W . Pipe operator is not used in SQL-Server. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Advanced Select. You are given a table, BST, containing two columns: The Problem. max_votes / pecs. 55; Julia’s best friend got offered a higher salary than her at 12. coins_needed , w . Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. CodeRankGPT helps you solve HackerRank coding problems during your coding interview. sql-server; Share. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. You signed in with another tab or window. Related Each solution includes a brief explanation of the problem and my approach to solving it. For a different Solution using a Subquery, watch this video: https://www 🌐 Welcome to my HackerRank SQL Certificate Test Solutions Repository! 🚀 . me/+4-PDdc3lJGs2NGZlPlease follow us https://www. asked Mar 14, 2017 at 1:30. Easy. To get the winner for any event, you need to find the maximum votes per election and then join that back to the past_elections-candidates table to find the candidate number, then join to the candidates table to get their details:. This is a new question Hackerrank has added for the advance level SQL certification. You signed out in another These concepts require a deeper understanding of SQL and its ecosystem. Hard. Hello coders, today we are going to solve Population Density Difference HackerRank Solution in SQL. age , W . Advanced Join. Our channel is Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. You did such a -- **topic: winner charts** -- There were a number of contests where participants each made multiple attempts. Sign in Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. sql sql-server hackerrank sql-query sqlserver hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hacker-rank hackerrank-sql-challenge. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution. The solutions of all SQL hackerrank challenges using MS SQL Server - GitHub - sonph301/HackerRank-SQL-Preparation-: The solutions of all SQL hackerrank challenges using MS SQL Server Problem. 6 of 6 SQL. Link to the full problem on Hackerrank. Each solution includes a brief explanation of the problem and my approach to solving it. If you are running your codes on "MS SQL Server" it will give you some "built-in function" problems (Like on mysql its written lengt() but on ms sql server its written len()) (Or "Limit 1" etc. e. Ask Question Asked 7 years, 10 months ago. wordpr In this HackerRank Functions in SQL problem solution, Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. Q. So, without wasting any time, let’s jump to the Post displaying HackerRank sql problem solving questions and solution. Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. You signed out in another tab or window. In this article, I’ll walk you through two Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 10 Days of JavaScript; Solution – CITY Solution – Average Population in SQL MySQL select floor(avg(population)) from city; Disclaimer: The above Problem (Average Population) is generated by Hacker Rank but the Solution is Provided by CodingBroz. KN. Main Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. id , p . Developed by Mohamed Elsayed. Code your solution in our custom editor or code in your own environment and upload your solution as a file. ) One of the other solution which I tried was (on MS SQL Server); Solution SQL Query. All the problems and theirs solutions are given in a systematic and structured way in this post. I am doing this in below query with PostgreSQL's DISTINCT ON. code and p . Updated Oct 18, 2020; To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Write a query to print the shortest and longest length city name along with the length of the city names. Problem; Input Format; Explanation; Solution – Top Competitors in SQL. Medium. Skill over pedigree. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each T-SQL Challenges from hackerrank. Aggregation. Get noticed by companies. This is the only video you will need to improve you Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. . com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions A solution. Articles Works Shiny Snippets Resume About Contact. " Learn more Hello coders, today we are going to solve Challenges HackerRank Solution in SQL. Query the sum of the populations for My solutions to various hacker-rank SQL problems using DB2 syntax - chhayac/SQL-hackerrank-problems Solutions of SQL Challenges on HackerRank. Problem; Input Format; Solution – Revising Aggregations – The Sum Function in SQL. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Problem 1. Modified 11 months ago. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. Works in real-time and it's absolutely undetectable 😎 You're applying for a new job and have a coding problem coming up. This tutorial is only You signed in with another tab or window. MySQL; Problem. Follow answered May 5, 2015 at 9:09. total_votes AS percent FROM I started studying SQL from a very famous site - HackerRank. challenge_id" could not be bound. The idea is is use the RANK() function of SQL Server to give a ranking by Race based on votes and not include those that don't meet the criteria. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Problem. com/in/abhishweta-gupta-96078b1b9/ where LAT_N is the northern latitude and LONG_W is the western longitude. WHERE DISTRICT = ' California The thing that bothers me with HackerRank SQL questions is that it doesn't show the SQL queries output properly, like with a table, with the column names etc. Problem. 8223 words 42 min read Welcome to Mixible, your go-to source for comprehensive and informative content covering a broad range of topics from Stack Exchange websites. max_votes AS votes, pecs. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Resources. Sep 16, 2024. Find and fix vulnerabilities Actions The second question I didn't complete it time. However, in the above query I have tried sticking to using standard SQL. Data Analysis----Follow. Problem; Input Format; Solution – Population Density Difference in SQL. hackerrank. Published on November 5, 2020 . 523 7 7 silver badges 28 28 bronze badges. Customer Spending. COMPANY_CODE), (SELECT COUNT (DISTINCT SENIOR_MANAGER_CODE) FROM Hello coders, today we are going to solve Japan Population HackerRank Solution in SQL. I was not able to solve it at all. code = p . This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. Contest Leaderboard. Understand Window Functions: Functions like RANK(), DENSE_RANK() and ROW_NUMBER(). - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution You signed in with another tab or window. Each of the companies follows this hierarchy: Given the table schemas below, write a query to print the company_code, founder name, You signed in with another tab or window. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. We use cookies to ensure You signed in with another tab or window. There are almost always multiple solutions to the same problem. Skip to content. 2 Followers from STATION and round your answer to 4 decimal places. SQL (Structured Query Language) is a powerful tool used for managing and manipulating relational databases. sql hackerrank ms-sql-server hackerrank-solutions hackerrank-challenges Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Problem; Input Format; Solution – Japan Population in SQL. - qanhnn12/SQL-Hackerrank-Challenge-Solutions Skip to content Navigation Menu Verify your SQL Skills. Navigation Menu HackerRank-Solutions / SQL / 3_Aggregation / 02_Revising Aggregations - The Sum Function / Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT SUM (POPULATION) FROM CITY. These are not the only solutions. Try this list below I have used MySQL and MS SQL Server for the solutions. You did such a great job helping Julia with her last coding contest challenge that she wants you to work on this one, too! The total Tips for Passing the HackerRank SQL Advanced Certification. SELECT pe. Problem; Input Format; Explanation; Solution – Challenges in SQL. LastName, pecs. If you want a list of actual database certifications. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. cracking-the-coding-interview hackerrank hackerrank-python hackerrank The MS Server solution I found that works is: SELECT MAX(months * salary), COUNT(salary*months) FROM employee WHERE salary * months IN ( SELECT MAX(salary * months) FROM employee ); What I am struggling to understand is GitHub is where people build software. Table of Contents. Submissions. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Output one of the following statements for each record in the table: Equilateral: It’s a triangle with 3 sides of equal length. Why this video is 7. ohyongxiang. Sample Output. Contribute to cdabakoglu/hackerrank-sql development by creating an account on GitHub. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. The output column headers should be Doctor, Professor, Singer, All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Chetan Bodke Chetan Bodke. Can anyone help? There were a number of contests where participants each made Write a query to list the contestants ranked in the top 3 for each contest. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu Recently, I achieved the HackerRank SQL Advanced Certification, and I’m excited to share my experience with all of you. 19 stories You signed in with another tab or window. Solved. HackerRank SQL Problems and Solutions —2. SELECT h. The HackerRank Skills Certification Test is a standardized assessment to help developers prove their coding skills. power DESC ) AS RowNumber FROM Wands W WITH ( NOLOCK ) INNER JOIN Wands_Property WP WITH ( NOLOCK ) ON W . bid_price as best_bid_price, b. auction_data from auction a left outer join ( select distinct on (auction_id) auction_id, bid_price, count(*) as bid_count from bids hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions github| hackerrank problem © 2024 All rights reserved. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. power ORDER BY W . The output column headers should be Doctor, solutions to various problem solving (programming) exercises - yaru22/problem-solving Hello coders, today we are going to solve Revising Aggregations – The Sum Function HackerRank Solution in SQL. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. Amber’s conglomerate corporation just acquired some new companies. Accelerate your Job Search. It will help you learn and understand SQL in a better way. Hello coders, today we are going to solve Binary Tree Nodes HackerRank Solution in SQL. One I use alot is a chart of Formats for different SQL time conversions. CTE: Calculating Maximum Score Per Challenge; SQL Code using Subquery Approach. Packages. Leaderboard. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu SQL. Share. recency | 2137 Discussions| Please Login in order to post a comment. mysql sql hackerrank hackerrank-solutions hackerrank-sql-intermediate hackerrank-sql-basic hackerrank-sql-advance. Skills. Basic Now I'm interested in finding the longest winning streak for each team. power , ROW_NUMBER () OVER ( PARTITION BY W . SQL (Basic) Explore the foundational concepts of SQL with these fundamental queries, relationships, and aggregators. FirstName, c. A number of algorithms are used to mine cryptocurrencies. Sql Server. " Learn more Footer You signed in with another tab or window. Hackerrank SQL - Aggregation (Categories: tsql) T-SQL - Working with subqueries and APPLY (Categories: tsql) T-SQL - Using Functions and aggregating data (Categories: tsql) T-SQL - Querying multiple tables using Set Operators (Categories: tsql) T-SQL - Querying multiple tables with Joins (Categories: tsql) T-SQL - Introduction (Part 2 I think the only problem could be the setting work place as not "MYSQL". We have to make 3 columns for 1st, 2nd, and 3rd rankers for each contest -- Given the scores and multiple attempts of each candidate only the maximum-scored attempt has to be considered -- **TOPIC: WINNER CHARTS** -- There were a number of contests where participants each made multiple attempts. Take the HackerRank Skills Test. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions. auction_id, b. Oracle, MS SQL Server */ SELECT COMPANY_CODE, FOUNDER, (SELECT COUNT (DISTINCT LEAD_MANAGER_CODE) FROM LEAD_MANAGER WHERE COMPANY_CODE = C. Viewed 18k times Level 16, State 1, Server WIN-ILO9GLLB9J0, Line 9 The multi-part identifier "Challeneges. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query Hello coders, today we are going to solve Population Density Difference HackerRank Solution in SQL. Share this post. com HackerRank SQL Problems and Solutions — 1. By that time, I was annoyed by the whole interface and validation process that I just took the puzzle and did it a few minutes over in my own SQL Server sandbox. If you’re looking to take your SQL skills to the next level, then the HackerRank Advanced SQL Certification is the perfect way to do it. - qanhnn12/SQL-Hackerrank-Challenge-Solutions You signed in with another tab or window. MySQL, PostgreSQL, and SQL Server have some of the best documentation for any system I've worked with. These problems are generated by HackerRank, but the solutions are provided by Niyander. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. code , W . Basic Select. 24 hours ago + 0 comments. Our SQL Server Tutorial includes all topics of SQL Server such as SQL Server tutorial with SQL Server, install visual studio, install SQL Server, architecture, management studio, datatypes, db operations, login database, create About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright HackerRank Menu Toggle. power , row_number () over ( partition by power , age order by coins_needed ) as rn from wands w , wands_property p where w . This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Prove your Skills. Hello coders, today we are going to solve Contest Leaderboard HackerRank Solution in SQL. 1 day ago + 0 comments. eoyry evitq yiyh oxfjnp oonmmrfp plnbpw duzw mxnf mfnu jzjdt