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Solution 185349

Submitted on 3 Jan 2013 by Tom

Correct

19Size
Leading solution size is 11.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
input = [ 8 2 4 9 5 3 6 7 1
          6 3 5 8 1 7 9 2 4
          7 1 9 6 2 4 8 5 3
          5 8 7 2 9 1 3 4 6
          1 4 2 7 3 6 5 8 9
          3 9 6 4 8 5 2 1 7
          2 6 1 5 4 9 7 3 8
          4 7 8 3 6 2 1 9 5
          9 5 3 1 7 8 4 6 2 ];
TF_correct = true;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
2
Pass
 
%%
input = [ 8 2 4 9 5 3 6 7 1
          6 3 5 8 1 7 9 2 4
          7 1 9 6 2 4 8 5 3
          5 8 7 2 9 1 3 4 6
          1 4 2 7 3 6 5 8 9
          3 9 6 4 8 5 2 1 7
          2 6 1 5 4 9 7 3 8
          4 7 8 3 6 2 1 9 5
          9 5 3 1 7 8 4 2 6 ];
TF_correct = false;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
3
Pass
 
%%
input = [ 8 2 4 9 5 3 6 7 1
          3 6 5 8 1 7 9 1 4
          7 1 9 0 2 4 8 5 3
          5 8 7 2 9 1 3 4 6
          1 4 2 7 3 0 5 8 9
          6 9 6 4 8 5 2 1 7
          2 3 1 5 4 9 7 3 8
          4 7 8 3 6 2 1 9 5
          9 5 3 1 7 8 4 6 2 ];
TF_correct = false;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
4
Pass
 
%%
input = zeros(9,9);
TF_correct = false;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
5
Pass
 
%%
input = meshgrid(1:9,1:9);
TF_correct = false;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
6
Pass
 
%%
input = toeplitz([1 9:-1:2],1:9);
TF_correct = false;
assert(isequal(sudokuIsSolved(input),TF_correct))

                    
7
Pass
 
%%
input = [ 1 9 8 5 2 6 3 4 7
          7 2 5 3 4 1 6 9 8
          3 4 6 9 7 8 2 1 5
          9 8 1 2 5 7 4 6 3
          5 6 4 1 3 9 8 7 2
          2 3 7 6 8 4 1 5 9
          4 7 3 8 1 5 9 2 6
          8 1 9 7 6 2 5 3 4
          6 5 2 4 9 3 7 8 1 ]
TF_correct = true;
assert(isequal(sudokuIsSolved(input),TF_correct))
input =
     1     9     8     5     2     6     3     4     7
     7     2     5     3     4     1     6     9     8
     3     4     6     9     7     8     2     1     5
     9     8     1     2     5     7     4     6     3
     5     6     4     1     3     9     8     7     2
     2     3     7     6     8     4     1     5     9
     4     7     3     8     1     5     9     2     6
     8     1     9     7     6     2     5     3     4
     6     5     2     4     9     3     7     8     1