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Q: How many rectangles in sudoku grid 9x9?

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The mechanics involved in sudoku follow the principal, that any 3x3 grid can be filled with the numbers 1-9, every row can have 1-9, and every column can have 1-9, to eventually have a complete 9x9 grid filled with the numbers 1-9, where no numbers in any row, column, or 3x3 grid have two of the same number

wordoku, sudoku using symbols, different sizes (4x4, 6x6, 9x9, 16x16) plus differently shaped puzzles and the "samurai" (5 interlocking 9x9 boxes) ----those are really REALLY HARD!!!

A Sudoku can have a non-unique solution with only 4 empty cells. Here's an example: 003496758 587132469 694875213 008763945 946581327 375924186 761259834 852347691 439618572 If the first 2 cells are filled with 1,2 the 2 in row 4 must be 2,1, and vice-versa. So there can be up to 77 givens in a 9x9 sudoku without a unique solution.

On a 9x9 grid... |StringStickEmpty| |StringEmptyStick| |StringStickEmpty|

Actually, there is more than 81 squares. SQUARE SIZES Multiplication to do: 1x1=81 ---> 9x9 2x2=64 ---> 8x8 3x3=49 ---> 7x7 4x4=36 ---> 6x6 5x5=25 ---> 5x5 6x6=16 ---> 4x4 7x7=9 ---> 3x3 8x8=4 ---> 2x2 9x9=1 ---> 1x1 now add up all products or amount of squares for each size.....and you get? 285!!! there are 285 squares inn a 9x9 grid.

Assuming 9x9 is also in feet, then answer is 81 square feet.

9x9=81

9x9 = 81.

6,670,903,752,021,072,936,960

81

81

81 1 9x9, 4 8x8, 9 7x7, all the way to 81 1x1. So it is 12 + 22 + 32 +...... + 92 =285

The code is below and i should also explain the algorithm. Well, What we are doing here is that we already defined the size to be 9x9 sudoku and are getting values using loops. All the empty spots are given UNASSIGNED value. Then we have functions to tell that if it is safe to put a value in the empty box by calculation and according to the rules of Sudoku it checks for is there any other some number horizontally and vertically and do the sum of the row and column is less than or equal to required or not. If the functions returns true then the program puts the value there.#include #define UNASSIGNED 0#define N 9bool FindUnassignedLocation(int grid[N][N], int &row, int &col);bool isSafe(int grid[N][N], int row, int col, int num);bool SolveSudoku(int grid[N][N]){int row, col;if (!FindUnassignedLocation(grid, row, col))return true; // success!for (int num = 1; num

90

11x8 - 9x9 = 7

I

9x9 27x3 81x1

9x9=81

81

The cast of 9x9 - 2013 includes: Rustam Shafiyew as Shadow

How many squares fit in a 9 ft by 9ft by 8

178 tiles

Do the math: 9x9x9 9x9=81 81x9=729

I have one, and you can DEFINITELY get one at Petsmart. They also have every kind of supplies you'll need to take care of one, too.

8100

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