Sudokusolver #159
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Sudokusolver #159
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Completed the sudoku solver with functions:
SolveSudoku: Primary function that is called to solve the Sudoku puzzle. It takes a 9x9 grid as input and returns the solved grid.
solveSudoku: Helper function used by SolveSudoku. It implements the actual solving logic, using a backtracking algorithm. It is a recursive function that tries to fill the grid and backtracks when it encounters an unsolvable situation.
isSafe: This function checks whether it's safe to place a specific number in a given cell. It ensures that the same number is not already present in the same row, column, or 3x3 subgrid.