Changes

TriForce

7 bytes added, 10:46, 8 March 2019

→‎Assignment 1: Sudoku Solver

/* Returns a boolean which indicates whether an assigned entry

within the specified 4x4 box matches the given number. */ bool UsedInBox(int grid[N][N], int boxStartRow, int boxStartCol, int num) {

for (int row = 0; row < 4; row++)

for (int col = 0; col < 4; col++)

return true;

return false;

}

/* Returns a boolean which indicates whether it will be legal to assign

num to the given row,col location. */ bool isSafe(int grid[N][N], int row, int col, int num)

{

/* Check if 'num' is not already placed in current row,

current column and current 4x4 box */

return !UsedInRow(grid, row, num) && !UsedInCol(grid, col, num) && !UsedInBox(grid, row - row%4 , col - col%4, num)&&

grid[row][col]==UNASSIGNED;

}

return 0;

}

25x25 Puzzle:

22

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