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Version:
v1.5.2
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Published: Dec 18, 2019
License: MIT
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README
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Write a program to solve a Sudoku puzzle by filling the empty cells.
A sudoku solution must satisfy all of the following rules:
- Each of the digits
1-9
must occur exactly once in each row.
- Each of the digits
1-9
must occur exactly once in each column.
- Each of the the digits
1-9
must occur exactly once in each of the 9 3x3
sub-boxes of the grid.
Empty cells are indicated by the character '.'
.
A sudoku puzzle...
...and its solution numbers marked in red.
Note:
- The given board contain only digits
1-9
and the character '.'
.
- You may assume that the given Sudoku puzzle will have a single unique solution.
- The given board size is always
9x9
.
[Hash Table]
[Backtracking]
Similar Questions
- Valid Sudoku (Medium)
- Unique Paths III (Hard)
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