I was developing a sudoku game . I am just wondering if a Sudoku can have more than 1 solution or A sudoku can have just 1 unique solution.
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I was developing a sudoku game . I am just wondering if a Sudoku can have more than 1 solution or A sudoku can have just 1 unique solution.
Yes, it generally depends on the difficulty. Easy and Medium will almost always be solvable by finding a square/s with only one possibility which will then make other squares have only one possibility and so on. Harder ones might not constrict your options so much and force you to guess and check.