The first one should probably just be MineBoard's __str__ method, and the second one should probably be part of the game logic rather than the board logic. Whenever a gamer, visits a 0-valued cell, all the neighboring elements must be displayed until a non-zero-valued cell is reached. The standard input involves the overall functioning of the game. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? PEP8: PEP8 talks about using snake_case for variable/function naming (whilst class naming is CamelCase) and a few other things. I'd have to print out the board to understand printLayout fully, but that's OK. (I've taken the liberty of converting all identifiers to PEP8 style.). Consider integer numbers from 0 to n - 1 written down along the circle in such a way that the distance between any two neighbouring numbers is equal (note that (0 and n - 1 are neighbouring, too). minesweeper codesignal. the first minute costs 3 cents, which leaves you with 20 - 3 = 17 cents; the total cost of minutes 2 through 10 is 1 * 9 = 9, so you can talk 9 more minutes and still have 17 - 9 = 8 cents; each next minute costs 2 cents, which means that you can talk 8 / 2 = 4 more minutes. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? // The arrays are equal, no need to swap any elements. //Any swap of any two elements either in a or in b won't make a and b equal. In a flagging move, three values are sent in by the gamer. However, it is also rather dangerous. click is used as a method name. Do read comments as they explain a lot and also every block of code. The knight can move to a square that is two squares horizontally and one square vertically, or two squares vertically and one square horizontally away from it. To review, open the file in an editor that reveals hidden Unicode characters. one with mines (and mine counts, for convenience) and one layer that shows if the position has been revealed or flagged. Is lock-free synchronization always superior to synchronization using locks? Add a description, image, and links to the The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. It mixes responsibilities of creating the string representation and printing it. I added a remark that only the pop()s should be fixed and offered a 2D slicing as alternative Codefights, minesweeper, python, code almost working, How Intuit democratizes AI development across teams through reusability. You can pass any iterable to the list constructor to create a list: You import pdb but never use it. Therefore, Minesweeper has a provision of using flag to mark the cells, which we know contains a mine. Ideally, you would add a link to the pull request / code review / bug ticket where this issue is discussed in greater detail and maybe a link to a wiki page with a detailed explanation. Given a string, find the number of different characters in it. A non-empty array of integers, sorted in ascending order. Note: The actual value for a mine is stored as -1, whereas the values stored for display, denote the mine as 'M'. Short story taking place on a toroidal planet or moon involving flying. Array of positive integers. Starting off with some arrangement of mines we want to create a Minesweeper game setup. The objective is to fill a 9 9 grid with digits so that each column, each row, and each of the nine 3 3 sub-grids that compose the grid contains all of the digits from 1 to 9. For consistency, I'd use a list of tuples for the mine locations. Solutions for challenges proposed on CodeFights.com. Use Git or checkout with SVN using the web URL. It is therefore quite easy to move the board into an invalid state or to make invalid moves. // All rearrangements don't satisfy the description condition. In fact, it should probably be Cell's __str__ method instead. So, for example, there is an obvious way that looks like it should work, but you tried it and it didn't work for a non-obvious reason. "<>[]:,;@\"!#$%&*+-/=?^_{}| ~.a\"@example.org", "010010000110010101101100011011000110111100100001". over 12.5 years). In your efforts to find a clue, you've found a binary code written on the wall behind a vase, and realized that it must be an encrypted message. The largest integer divisible by 3 and not larger than 10 is 9. Recovering from a blunder I made while emailing a professor. Avoid global s. These helpfully often disappear naturally when using OO. recursive (d) /* get the value of one lower d*/ - ( (mainarray [rownumber + ~- (d/3)] || 0) Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Ticket numbers usually consist of an even number of digits. Thank you in advance. Does Counterspell prevent from any further spells being cast on a given turn? The number of the century the year is in. [input] integer yourRight And then in play, the two calls to game.print_layout() can simply be replaced by print(game). I wish you the best of luck with the interviewing process and hope you get the job. The game rushes to a finish when flagging the correct tile, it doesn't leave the user in suspense whether they have chosen correctly or not. Rules are super simple: We take as input a grid of where the mines are, and we output a grid where each cell represents the number of mines explicitly around it. How to follow the signal when reading the schematic? This code works fine until bomb is in the last column of the matrix, for example: Example. minesweeper codesignal. Help the bots calculate the total price of all the rooms that are suitable for them. [input] integer friendsLeft All possible sums of 2 consecutive elements are: [input] array.integer inputArray Is there a single-word adjective for "having exceptionally strong moral principles"? It appears that MineBoard is not actually a board of mines. Each day a plant is growing by upSpeed meters. Generally I would make those specific to the class; you need this to understand most of the methods in it anyway. : Comments in the code explaining what the code does when the code expresses this already, Classes exposing private attributes as public, Mixing game logic with board logic (and instantiating the board as. I'm doing codefight's challange: minesweeper. Call two people equally strong if their strongest arms are equally strong (the strongest arm can be both the right and the left), and so are their weakest arms. When you finally decide to head back, you realize there's a chance the bridges on your route home are up, leaving you stranded! you can't take two first items or two second items. In the popular Minesweeper game you have a board with some mines and those cells that don't contain a mine have a number in it that indicates the total number of mines in the neighboring cells. Coupled with tell-don't-ask, users perform actions to each tile that can alter the game state and surrounding tile states. That's great post but the task was for 1 hour. using " instead of '). There are plenty of tools available that can flag and even auto-correct violations of PEP8. Are you sure you want to create this branch? After storing the input, we have to do some sanity checks, for the smooth functioning of the game. Do you see how this might be confusing to someone that is reading your code? 72 stands for H in the ASCII-table, so the first letter is H. Assume that you are jumping from the point with coordinate 0 to the right. He has published many popular programming courses both The neighbours function is a recursive one, solving our problem. That was amazing !. Styling contours by colour and by line thickness in QGIS. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Determine if the given character is a digit or not. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? I presume it is trying to count bombs. A few superficial things: Games like this are perfect for object oriented code. They should convey meaning. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. is unnecessary. In the popular Minesweeper game you have a board with some mines and those cells that don't contain a mine have a number in it that indicates the total number of mines in the neighboring cells. "you are? This is not a code review site, so this question is off-topic, but your solution is not bad. If you are part of a team, you should adapt your style to match the rest of the team. Help him figure out the minimum number of additional statues needed. rev2023.3.3.43278. Why are physically impossible and logically impossible concepts considered separate in terms of probability? I get IndexError with this code. then count the number of Xs in the merged tuples: This runs roughly 5x faster than the index/offset based solution. This is done by: The function check_over(), is responsible for checking the completion of the game. The nice thing about style checkers, linters, and static analyzers with auto-correction support, and automatic code formatters is that they do (part of) your work for you. Given a year, return the century it is in. Be aware of the major standard for each language, and follow the style rules in each organisation. The minimal number of statues that need to be added to existing statues such that it contains every integer size from an interval [L, R] (for some L, R) and no other sizes. All the effort is to be done in setting up the Minesweeper layout. The description: The border created by "x", as suggested by codefight's user, is to ensure that if mine is at the border of matrix, bomb count won't transfer to the other side. Solution Implementation of CodeSignal algorithms in Python, My own solutions on CodeSignal for JavaScript, repo contains my solution on various online judge. I learnt tons of things in just one single post. Given an array of equal-length strings, check if it is possible to rearrange the strings in such a way that after the rearrangement the strings at consecutive positions would differ by exactly one character. Minesweeper is a single-player game in which the player has to clear a square grid containing mines and numbers. I've always find it incredulous that comments are discouraged in a blanket fashion. [input] integer k RSA Algorithm: Theory and Implementation in Python. Unfortunately, you don't have your watch on you and don't know what time it is. Return an array of names that will be given to the files. Here's the rooms matrix with unsuitable rooms marked with 'x': [input] array.array.integer matrix The danger is when the code changes (due to bugs or requirement changes) from what the comment says, another coder who sees the code, and sees the comment, says "The code doesn't do that, I'll be helpful and make it do that" (I've seen this happen). no, since [-1] is a valid index (counting from the right) ;-). [input] string s Since 240 minutes have passed, the current time is 04:00. A good example is a set of code checking every minute "is it now 7am?" Given a string, check if it is a palindrome. We will walk through how to create a board, plant the bombs, and dig recursively. Use MathJax to format equations. There are a couple of names in your code that could be clearer, for example ip, m, and k. In particular, it seems that the parameter k in __init__, the parameter num_of_mines in allocate_mines, and the local variable m in play mean the same thing, but the parameter k in get_random_pos does not mean the same thing as the parameter k in __init__. If nothing happens, download Xcode and try again. If input: Could anyone explain clearly why that's happening? Given a string, check whether it is beautiful. Is it correct to use "the" before "materials used in making buildings are"? Refactoring covers not only lines of code into a function, but of data objects into different structures. No catching/handling of exceptions raised e.g. A tag already exists with the provided branch name. (probably with a loop that blocks the rest of the code from running). Another method is to have multiple layers, e.g. Return true if it is possible to remove one element from the array in order to get a strictly increasing sequence, otherwise return false. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. [input] array.integer a For example, display should be an instance method of Cell. codesignal-solutions Below we will define an n-interesting polygon. Thanks for contributing an answer to Stack Overflow! Single mine flagging: In typical minesweeper, even when there is one mine remaining (flagged or unflagged), tiles that are unclicked still require clicking. over 1.5 years), and Python 3 has been supported since 3 Dec 2008 (i.e. Is there a single-word adjective for "having exceptionally strong moral principles"? The main problem is your shyness: you're afraid that you'll end up blocking the view (even if only for a couple of seconds) of all the people who sit behind you and in your column or the columns to your left. However, it seems that it prints the entire board & board state. Solutions to LeetCode, CodeSignal, Hackerrank and more, specifically written in modern programming languages such as Swift and Kotlin. Why is there a voltage on my HDMI and coaxial cables? Such important information, and such an encoding should be encapsulated in an object. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. n children have got m pieces of candy. With this solution, you don't have to shrink your result using pop(). The cell has already been flagged or not. So we have w h k x m variables here. Could you please help me to check if my code follows good practices for a game-program ? This is important because when you put out code for others to use, if they begin accessing/modifying internal class variables and you release a new version with modified internals, it will break their implementation. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Why are non-Western countries siding with China in the UN? Instead, this method should be split into two methods. Connect and share knowledge within a single location that is structured and easy to search. This method uses higher level functions to detect the state of a position, but then uses += 1 to set the state. Given an array of integers, find the maximal absolute difference between any two of its adjacent elements. Thanks for contributing an answer to Code Review Stack Exchange! probe would maybe be a better name. In particular, I have type checking turned on, and almost 130 of the Errors are from Pylance complaining it can't fully determine the static type of some variable, parameter, or function. pip3 install -r requirements.txt. Given the total number of rows and columns in the theater (nRows and nCols, respectively), and the row and column you're sitting in, return the number of people who sit strictly behind you and in your column or to the left, assuming all seats are occupied. Several people are standing in a row and need to be divided into two teams. How to follow the signal when reading the schematic? There are 3 different characters a, b and c. [input] string s This is a collection of solutions for the code challanges in CodeFights/CodeSignal in C#. [input] string inputString Movie with vikings/warriors fighting an alien that looks like a wolf with tentacles. A big clue is the fact that you have multiple comments talking about "cells" but you have no abstraction called "cell" in your code. It is guaranteed that parentheses form a regular bracket sequence. Regardless, thank you for your feedback. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, Python 3 simple Minesweeper game using tkinter, Time arrow with "current position" evolving with overlay number. Find the leftmost digit that occurs in a given string. Given a string, find out if its characters can be rearranged to form a palindrome. "oh you're not?" If there are several possible answers, output the smallest one. Improve your Python programming skills by coding everyone's favorite Windows 3.1 game: Minesweeper. How many neighbours of this cell are mines? The complete code is also available on my Github account. Mine Sweeper game implementation using Python program. For the other grid, the output should be false: each of the nine 3 3 sub-grids should contain all of the digits from 1 to 9. An integer (not greater than the length of inputArray). // You can't take both items, but you can take any of them. The number of flags does not exceed the number of mines. Last night you had to study, but decided to party instead. 7. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. It means that throughout the years your balance would be: Thus, it will take 3 years for your balance to pass the threshold, which is the answer. You should use a linter and/or a static analyzer, preferably one with an auto-correct functionality. After we land on a cell with mine, we need to display all the mines in the game and alter the variable behind the game loop. Write and run code in 50+ languages online with Replit, a powerful IDE, compiler, & interpreter. You are given a two-digit integer n. Return the sum of its digits. The same applies to the game loop itself, it also has distinct steps. // can remove 2 to get the strictly increasing sequence [1, 3]. These items are something you should be aware of when writing Python code. A string representing time in HH:MM format. Since two files cannot have equal names, the one which comes later will have an addition to its name in a form of (k), where k is the smallest positive integer such that the obtained name is not used yet. Not the answer you're looking for? Generally the code shows a consistent style, so in that regard I think it looks good. Since Ratiorg is a bot he is definitely going to automate it, so he needs a program that sums up all the numbers which appear in the given input. Check out the example below to see how it can move: A string is said to be beautiful if b occurs in it no more times than a; c occurs in it no more times than b; etc. The lifeline of this program is the recursive function - playMinesweeperUtil () This function returns a true if the user steps/clicks on a mine and hence he loses else if he step/click on a safe cell, then we get the count of mines surrounding that cell. You tell the function when to do something, not ask it if it's ready to do it/if it has it. Minesweeper Demo Designing Minesweeper Using Python You are given an array of integers. The players motive behind this move is to unlock a cell that does not contain a mine. [input] array.string inputArray This repository includes my solutions for the arcade challenges in CodeSignal. Whether the cell to be flagged is already displayed to the player. I am not a big fan of mixing I/O and computation. over 1.5 years), and Python 3 has been supported since 3 Dec 2008 (i.e. Correct variable names consist only of Latin letters, digits and underscores and they can't start with a digit. Learn more about bidirectional Unicode characters. Through hands-on projects, students gain exposure to the theory behind graph search algorithms, classification, optimization, reinforcement learning, and other . @KennyOstrom I don't see an issue with it. How can I delete a file or folder in Python? To learn more, see our tips on writing great answers. I just reversed your logic: I walk through the output field and add values from matrix. A positive even integer. You should always follow the guidelines of PEP8. So, you should only use two different ways of writing the same thing IFF you actually want to convey some extra information. The function 'show_mines()' is responsible for it. All you need to do is climb over your seat and make your way to the exit. It's also less prone to bugs. Does Python have a ternary conditional operator? https://puzzlingclarity.com/index.php/2020/06/21/codesignal-arcade-intro-24-minesweeper/If you have questions or w. Cheers! For classes, be aware of what variables which are internal/private, and place an underscore _ before them. [input] string st Then you can add a comment explaining that you are specifically using solution B even though it looks like much simpler solution A should also work, but it actually doesn't work because of issue X. The use of variables like, mine_values will be explained further in the tutorial. Is it correct to use "the" before "materials used in making buildings are"? This is especially true for environments that allow for reordering or refactoring of methods. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? Learn more about bidirectional Unicode characters. A character which is either a digit or not. [input] integer n I like the way the status is explicitly kept using the enum; it makes everything that more easy to follow. A non-negative integer representing the heaviest weight your friend can lift with his or her right arm. What is the total maximum value of the items you can take with you, assuming that your max weight capacity is maxW and you can't come back for the items later? Given a divisor and a bound, find the largest integer N such that: It is guaranteed that such a number exists. (OTOH, it is tremendously helpful if you have them turned on from the start, since you will be immediately notified and can thus avoid letting the count ever get this high.). In general I would prefer a game where the methods make sure you cannot cheat. Return an answer as the sum of digits that the digital timer in the format hh:mm would show. Its a site to ask questions My question is what is the optimal complexity for this. In each iteration of the loop, the Minesweeper grid must be displayed as well as the players move must be handled. It is needed to update every move of the player as well as the conclusion of the game. After taking care of these issues, the cell is flagged for a mine. Given an array of strings, return another array containing all of its longest strings. [input] integer rate How to show that an expression of a finite type must be one of the finitely many possible values? Cannot retrieve contributors at this time. Is it possible to rotate a window 90 degrees if it has the same length and width? A non-empty array of strings of lowercase letters. Help Ratiorg by writing a function that returns the sum of numbers that appear in the given inputString. of the docstring. That one was expected after seeing isOver being defined. I believe there must be a better solution in terms of space-time complexity and just in general. He scanned the check of the items he bought and gave the resulting string to Ratiorg to figure out the total number of purchased items. I like this, and the fact that you use a separate call to print the board. Check out the image below for better understanding: [input] array.integer inputArray This point might be a little complicated, but patterns like Observer can simplify this process. You could certainly make a case that OP's code doesn't need comments, but that's not true in general. You could just use 2D slicing (see the corresponding stackoverflow topic) and do. Your code is all bunched up together. Connect and share knowledge within a single location that is structured and easy to search. A string consisting of lowercase latin letters a-z. This allows you to make various MineBoard methods less complex, for example: In all other places, you use row and column indexing, but in this method you're using an index. After some thought, your first guess is that each consecutive 8 bits of the code stand for the character with the corresponding extended ASCII code. Also, mentioning that you know one or two patterns during your interview (you should know them well enough to write them on a whiteboard) can make you stand out from the crowd. The two equal numbers are a and c. The third number (b) equals 7, which is the answer. Check out the image below for better understanding: A non-empty rectangular matrix consisting of boolean values - true if the corresponding cell contains a mine, false otherwise. The rest of it is your good old basic minesweeper. The building is represented by a rectangular matrix of rooms, each cell containing an integer - the price of the room. Code submitted as solutions to the exercises in CodeSignal. Making statements based on opinion; back them up with references or personal experience. There is absolutely no reason to use Python 2 for new code in 2021. Let's define digit degree of some positive integer as the number of times we need to replace this number with the sum of its digits until we get to a one digit number. A limit involving the quotient of two sums. In my coding interview for a company, I got the question to write a Minesweeper game. Given a ticket number n, determine if it's lucky or not. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. I hope the other answers as well as mine are enough to give you lots to study before your next interview. You are playing an RPG game. There are three different scenarios: The game is finished as soon as the player selects a cell having a mine. // We can obtain b from a by swapping 2 and 1 in b. No description, website, or topics provided. So the answer is 9. You have a string s that consists of English letters, punctuation marks, whitespace characters, and brackets. minesweeper (matrix) = [ [1, 2, 1], [1, 1, 1]] Check out the image below for better understanding: Input/Output [time limit] 4000ms (py) [input] array.array.boolean matrix A non-empty rectangular matrix consisting of boolean values - true if the corresponding cell contains a mine, false otherwise. This version is a little different to the others out there in that it's supposed to start by asking the user how big the grid, then how many mines to insert. Personally I don't like it when click hides other functionality, I'd put that in a calling function.