Silencing errors is, in my opinion, literally one of the worst things you can possibly do when programming. This is a possible input: In my case, I generate a list and I add to it the sum of all the vertical and horizontal lines. You don't need to check that each of the 9 numbers appears in the grid: assume this to be true. The 3x3 magic square is the earliest known magic square. I see each of these as distinct problems that should be handled separately. How to know there's any internal damage by his behaviour? Verify magic squares of any size, not just 3x3. Python implementation, trying to be terse. At the end, I check whether all the values in the list are the same. Even with this all broken up into functions, it's still 7 lines shorter than the original. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Write a Python program to calculate magic square. Like, is is a square, does it have all the numbers in sequence, do the rows add up to the magic number, do the columns, do the diagonals. Short story called "Daddy needs shorts", baby unconsciously saves his father from electrocution. This is my try, idk how great it is, you have so much more going on than I do. Here's an example: 8 1 6 3 5 7 4 9 2 The major diagonals in this example are 8 + 5 + 2 and 6 + 5 + 4. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Write a Python program to print all primes (Sieve of Eratosthenes) smaller than or equal to a specified number. it just work for odd numbers.if you input an even number,You will encounter an error on the 25th line, Your email address will not be published. I know this challenge is quite old but I've tried to find easy ones on here I think I can do but I figured I might as well submit it since I made it work. Adding Nullable Column To Production DB taking too much time, Writing letter of recommendation for someone I have never met. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Note that there are other approaches that could be used to solve the magic square puzzle. Press question mark to learn the rest of the keyboard shortcuts, https://gist.github.com/anonymous/7737943c9db500b4a041439f63bf42d8. A Magic Square is: The square is itself having smaller squares (same as a matrix) each containing a number. Kaldor's magic square is a square used in economics, which has nothing to do with digits or numbers of mathematics but rather with concepts from economic policy. (C64). Get ready for the new computing curriculum. Write a Python program to multiply two integers without using the * operator in python. MAGIC SQUARE OPERATION IN PYTHON. Thus, a magic square always contains n2 numbers, and its size (the number of rows [and columns] it has) is described as being "of order n". A 3x3 magic square is a 3x3 grid of the numbers 1-9 such that each row, column, and major diagonal adds up to 15. To learn more, see our tips on writing great answers. Then I add the two diagonals. Once you have one, you can get all the others by turning or flipping the one you found. MathJax reference. What is the difficulty level of this exercise? Because, case and point, when I tried to time your function, timeit was showing that your function was executing one million times in 2 seconds. Here's an example: 8 1 6 3 5 7 4 9 2 The major diagonals in this example are 8 + 5 + 2 and 6 + 5 + 4. Write another function that takes a grid whose bottom row is missing, so it only has the first 2 rows (6 values). A magic square is an arrangement of the numbers from 1 to N^2 (N-squared) in an NxN matrix, with each number occurring exactly once, and such that the sum of the entries of any row, any column, or any main diagonal is the same. My solutions is far from perfect though. The code would be easier to read and understand, if it were written in section that each tested one aspect of a magic square. The task of the python code is to get a square with any dimensions and to determine whether it is a magic square or not. zeros (( N , N ), dtype = int ) n = 1 i , j = 0 , N // 2 while n <= N ** 2 : magic_square [ i , j ] = n n += 1 newi , newj = ( i - 1 ) % N , ( j + 1 ) % N if magic_square … These are the values of the lists and the results: We use cookies to ensure that we give you the best experience on our website. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The square is itself having smaller squares (same as a matrix) each containing a number. Backtracking algorithms can be used for other types of problems such as solving a Magic Square Puzzle or a Sudoku grid. And this only checks if a 9 number list is a magic square. Are websites a good investment? The typical scenario where a backtracking algorithm is when you try to find your way out in a maze. To know about this interesting puzzle, Magic Square on Wikipedia. C89, compiles with cc magic.c, both bonuses combined. The constant sum in every row, column and diagonal are called the magic constant or magic sum, M.The magic constant of a normal magic square … This bonus can also be combined with optional bonus 1. Why? Examples: Hint: it's okay for this function to call your function from the main challenge. Here's a probably overly long and complicated Java solution for both bonuses and any size for everything. N must be odd. You aren't making good use of built-in Python constructs that automate some of the painful elements. Why does the VIC-II duplicate its registers? It does create random lists for it to try it though. A magic square is an arrangement of distinct numbers (i.e., each number is used once), usually integers, in a square grid, where the numbers in each row, and in each column, and the numbers in the main and secondary diagonals, all add up to the same number, called the "magic constant." This is a 3x3 magic square used in Feng Shui which is represented as well. The dimension of the square matrix is an (odd integer x odd integer) e.g., 3×3, 5×5, 7×7. Why is the current flow shown to be flowing from the negative area towards the positive area? The "easy" portion of this task is to evaluate cost as defined is simply comparing lists of lists (in python, anyway). The constant values $ M $ of the sums of the magic squares have a minimum value (for non-zero integer positive values). This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. A magic square is a \$NxN\$ square grid (where N is the number of cells on each side) filled with distinct positive integers in the range \${1,2,...,n^{2}}\$ such that each cell contains a different integer and the sum of the integers in each row, column and diagonal is equal. Write a Python program to calculate magic square. Something like this: A magic square is an arrangement of distinct numbers (i.e., each number is used once), usually integers, in a square grid, where the numbers in each row, and in each column, and the numbers in the main and secondary diagonals, all add up to the same number, called the "magic constant." It dates back to Chinese mythology, you can read the story here. My Indian flapshell turtle fell from 3rd floor. Feedback welcome! My code may be a bit too simple, welp.
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