When i find all possible safe states i will add them to the current shortest path and depending on heuristic function i will sort list of paths and choose next field that needs to be opened. That is why i need all possible safe states for next step in algorithm. So i need a help with algorithm for these cases. We can't determine anything using previous method. If (number of mines around X = current number of discovered mines around X) thenĪll unopened fields around X are NOT minedīut my question is: What about situation when we can't find any mined or safe field and we need to look at more than 1 field?įor example this situation. If (number of mines around X – current number of discovered mines around X) = number of unopened fields around X then First way to determine is trivial and we have something like this: As you know there are 2 ways to determine which fields in minefield are safe to open, or to determine which fields are mined and you need to flag it. Since this functionality is provided by the Java standard library, I cannot meaningfully speed up this part of the code.I am trying to make the minesweeper solver. The program uses quite a bit of CPU time to capture a screenshot. The page at Minesweeper Wiki provides a decent introductory explanation of the pair strategy. The pair strategy is more complicated, and it basically considers what happens when all the unopened neighbors of a numbered cell A are also neighbors of a numbered cell B. If N = F, then all the unopened neighbors can be opened. If N = F + U, then all the unopened neighbors need to be flagged. There are two strategies for looking at each single cell: Suppose a cell has the number N, has F flagged neighbors, and has U unopened neighbors. The random strategy is used only if the safe options are exhausted. The first two strategies are analytical and safe. During our morning meeting for Lab Day the topic of Minesweeper was brought up so I decided to make an algorithm that tries to play the. The solver algorithm has 3 different strategies: single, pair, and random. Minesweeper has always been a fun little game that you can throw up in your free time that still requires a minimum amount of logical problem solving in order to win. Imagine a corner tile (or Node as I prefer) surrounded by flags. If you google minesweeper and play the game on the 2nd link, you may encounter one of the first bugs/edge cases I came across. (You can copy the old Minesweeper EXE file to the newer Windows systems, of course.) Minesweeper/solver is simple to learn, but brutally and deceptively difficult to implement. It will not work for the version included with Vista and 7, nor can it be adapted easily. This program only works on the classic Windows Minesweeper (95, 98, Me, 2000, XP), with its simple graphics and lack of animations. The program will exit if you move the mouse. The following version: 1.6 is the most frequently downloaded one by the program users. The actual developer of the free software is joriswit. We cannot confirm if there is a free download of this software available. Source code only: MinesweeperAutosolver.javaĬomplete package: MinesweeperAutosolver.zip (source code, compiled classes, bitmaps)Īfter unzipping, run on the command line with: java MinesweeperAutosolverĮnsure that a Minesweeper window is visible on the screen before running the autosolver. MineSweeper Solver 1.6 was available to download from the developers website when we last checked. We use CSP, Logic Inference and Sampling to make a minesweeper solver and we. This was one of my motivations for writing the solver bot, and it finally did solve the expert level. Minesweeper as a puzzle video game and is proved that it is an NPC problem. But all this time, I was never able to solve the expert difficulty level, either because my logic was insufficient or there were too many ambiguities. Iâve wasted my fair share of time on the classic Minesweeper game thatâs bundled with Microsoft Windows. However, with some unique skills as a programmer, I can design computer programs to play games for me with incredible efficiency. I donât think I have the time or talent to bring myself to the top of the rankings. Although Iâm not too bad of a gamer, for every game I played, Iâve seen plenty of players who are much better than myself. I wrote a Java program that plays the Windows Minesweeper game automatically â it reads the screen, computes the moves to make, and performs the mouse movements, all at superhuman speed and accuracy.Įveryone has been exposed to video games at some point in their lives. Conceding that Iâm not going to be the fastest or best gamer, I instead chose to exercise my programming skills.
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