Cody

# Problem 173. Minefield Sonar

Solution 23309

Submitted on 1 Feb 2012 by Tomasz
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### Test Suite

Test Status Code Input and Output
1   Pass
%% I = [ 2 3 3 5 1 4 9 2 3 9 ]; J = [ 1 1 4 4 5 5 6 8 8 9 ]; M = 9; N = 9; y_correct = [ 1 1 0 1 -1 1 1 1 1 -1 2 1 2 2 1 2 -1 2 -1 2 1 -1 2 1 2 -1 2 1 1 2 3 -1 1 1 1 1 0 0 1 -1 2 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 1 -1 1 1 -1 ]; assert(isequal(minehunting(I,J,M,N),y_correct))

``` stencil = -12 -11 -10 -1 1 10 11 12 Ind = 14 15 48 50 57 60 76 91 92 109 y = 1 1 0 1 -1 1 1 1 1 -1 2 1 2 2 1 2 -1 2 -1 2 1 -1 2 1 2 -1 2 1 1 2 3 -1 1 1 1 1 0 0 1 -1 2 1 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 1 -1 1 1 -1 ```

2   Pass
%% I = 9; J = 9; M = 9; N = 9; y_correct = [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 -1 ]; assert(isequal(minehunting(I,J,M,N),y_correct))

``` stencil = -12 -11 -10 -1 1 10 11 12 Ind = 109 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 -1 ```

3   Pass
%% I = 5; J = 5; M = 9; N = 9; y_correct = [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 -1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]; assert(isequal(minehunting(I,J,M,N),y_correct))

``` stencil = -12 -11 -10 -1 1 10 11 12 Ind = 61 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 -1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ```

4   Pass
%% [I,J] = ndgrid(1:2:11,1:2:5); M = 11; N = 5; y_correct = [ -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 ]; assert(isequal(minehunting(I,J,M,N),y_correct))

``` stencil = -14 -13 -12 -1 1 12 13 14 Ind = Columns 1 through 10 15 17 19 21 23 25 41 43 45 47 Columns 11 through 18 49 51 67 69 71 73 75 77 y = -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 2 4 2 4 2 -1 2 -1 2 -1 ```

5   Pass
%% [I,J] = ndgrid(2:3:11,2:3:5); M = 11; N = 5; y_correct = [ 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 ]; assert(isequal(minehunting(I,J,M,N),y_correct))

``` stencil = -14 -13 -12 -1 1 12 13 14 Ind = 29 32 35 38 68 71 74 77 y = 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 1 1 1 1 1 1 -1 1 1 -1 ```