Loop over the suggested coordinate list and "score" the word placement based on how many other words it crosses. Scores of 0 indicate either bad placement adjacent to existing words or that there were no word crosses. Back to step 4 until word list is exhausted. Optional second pass. We should now have a crossword, but the quality can be hit or miss due to some of the random placements. So, we buffer this crossword and go back to step 2. If the next crossword has more words placed on the board, it replaces the crossword in the buffer.
This is time limited find the best crossword in x seconds. Bryan Bryan 8 8 silver badges 13 13 bronze badges. Neil N: Probably a better letter matching possibility for the other words. Would be maybe also an approach to sort by the count of distinct letters contained per word, which will mostly lead to the same result. NeilN Python's array. Bryan, Your website link doesn't work for me, and the primary domain just redirects to Twitter. Do you have an updated link to your code? Here is apparently a clone of Bryan's generator: github.
This doesn't actually help me in my situation, since I'll have a list of only about words. Mine is more like an learning exercise for the user than a word puzzle. Nice description. I thought about this a few times in the past, but never tried it. Now for the magic question: how well did it work? Just for sparse puzzles, or also for dense ones like in the paper? And how many clues do you need for dense puzzles? Many were completed without intervention but you'd still get maybe a fifth requiring one or two extra words added.
And we're talking about thousands of words in the file. No doubt backtracking could have helped but it was easier just for the client to reject one with e. Five was about the outer limit I saw for unfinished words. Harris, american actor [4,7] WE: The first person of plural Grammar. Although this is an older question, will attempt an answer based on similar work i have done. Efficient simplicity might just be the ultimate wisdom!
The intersections of the grid words with themselves enable to create a "template" for trying to find matches in the associated wordlist of available words for this grid word by using the letters of other intersecting words with this word which are already filled at a certain step of the algorithm b. So with these data structures implemented the algorithm used was sth like this: NOTE: if the grid and the database of words are constant the previous steps can just be done once.
First step of the algorithm is select an empty wordslot grid word at random and fill it with a candidate word from its associated wordlist randomization enables to produce different solutons in consecutive executions of the algorithm complexity O 1 or O N For each still empty word slots that have intersections with already filled wordslots , compute a constraint ratio this can vary, sth simple is the number of available solutions at that step and sort the empty wordslots by this ratio complexity O NlogN or O N Loop through the empty wordslots computed at previous step and for each one try a number of cancdidate solutions making sure that "arc-consistency is retained", ie grid has a solution after this step if this word is used and sort them according to maximum availability for next step ie next step has a maximum possible solutions if this word is used at that time in that place, etc..
Else when all wordlots are filled you have one solution This algorithm does a random consistent walk of the solution tree of the problem. The algorithm can be easily parallelized in order to produce more than one different solution at the same time Hope this helps. Nikos M. Is this for creating dense layouts NY Times like or sparse layouts? Jim, this is mostly for dense layouts but can be adjustd for sparse also.
The difference is in dense layouts e. Would you happen to have some sample source available somewhere that implements the steps above. For example, I am with you for most of it and have already implemented most of it independently , but when it comes to "compute a constraint ratio Doing web searches for things like "STH Ratio" isn't much help to me either.
The problem with my implementation is trying to find the words to fill in is very inefficient and taking way too long. Jim, i have as this is already used, but this was done specificaly for a job i had, it is possible i will post a light-weight version on my open source projects, if you need more help contact me ps indeed at some cases the algorithm i posted can take too long, but on average it doesnt — Nikos M. Jim, take a look at this crosswords site still in progress istavrolexo.
You will be surprised how often a Monte Carlo approach like this works. Yogi Yogi 2, 1 1 gold badge 16 16 silver badges 17 17 bronze badges. You don't have to try and be very clever. Order words from longest to shortest.
In a loop, pick a random cell column and row coordinate and place the word on the board testing to see if it runs off the end or interferes with another word before you write the word to the grid check that each cell is either empty or if it has a letter, that letter matches the letter you are trying to write. There is some other logic to check bounds and stuff. I brute force generate a bunch of smaller and smaller grids, then rank the smallest based on intersecting words.
The preview feature lets you see how your work will look like at the result. If you want to change something, click Restore. Verdict: It is an interactive crossword puzzle maker that allows generating, printing, publishing and doing crosswords online. Registration is not required to work with the site.
Enter the name of the crossword puzzle, see how to configure it and get to work. Enter a word, space and prompt, and your crossword is ready. The next screen will allow you to edit, restore or save the crossword puzzle in a Word or PDF document with further sharing on one of many social networks.
You can also copy the URL of your quiz and publish it on your site. To protect the answer key, create a password before creating a crossword. Verdict: Widely regarded as the best crossword puzzle maker, it is perfect for generating puzzles for educators, learners and parents.
Puzzlemaker offers many formats, which can be modified according to your needs. Create and print individual word searches and math puzzles with the help of word lists created by you. To start working on the project, you need to choose the type of puzzle from the list presented. Submit the right answers and adjust your puzzle according to your preferences. You can preview the results and make the necessary changes before printing. Verdict: Instant is a web-based puzzle maker crossword that offers a great variety of basic and premium features, like saving the puzzle as a PDF file.
After generating a puzzle, you can see what it will look like with background images. Besides, you can print out your crossword using photo printing software. To get attractive crossword puzzles with pictures, you need to pay for some extra options. Also, pay attention to the fact that Instant does not allow copying and pasting crossword puzzles to a Word document.
Verdict: Crossword Compiler 10 allows building crossword puzzles in various forms. You can choose what type of crossword you want to create from your own list of words. It allows creating vocabulary crosswords or word search puzzles. A great thing is that this crossword generator offers thematic word lists that facilitate the task significantly.
I have been using your program for 20 years now and you keep coming up with cutting-edge innovations. As a teacher I use it at least a couple of times a week and the kids I teach love the crosswords. I've tried several crossword "builders" and your product is light years ahead of the closest competition. It combines enormous configurational flexibility with simplicity of use This has got to be among the greatest shareware programs ever made.
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