Cody

# Problem 1490. Shifted Hexagonal Tiling Dots in a Circle

Solution 243834

Submitted on 13 May 2013 by Paul Berglund
• Size: 71
• This is the leading solution.
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### Test Suite

Test Status Code Input and Output
1   Pass
%% user_solution = fileread('shifted_hexagonal_tiling_dots_in_circle.m'); assert(isempty(strfind(user_solution,'regexp'))); assert(isempty(strfind(user_solution,'2str'))); assert(isempty(strfind(user_solution,'str2'))); assert(isempty(strfind(user_solution,'interp'))); assert(isempty(strfind(user_solution,'printf'))); assert(isempty(strfind(user_solution,'assert')));

``` ```

2   Pass
%% r = 0; N_correct = 1; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

3   Pass
%% r = 0.5; N_correct = 1; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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4   Pass
%% r = 1; N_correct = 4; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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5   Pass
%% r = 1.5; N_correct = 4; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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6   Pass
%% r = 2; N_correct = 13; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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7   Pass
%% r = 2.5; N_correct = 13; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

8   Pass
%% r = 3; N_correct = 25; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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9   Pass
%% r = 5; N_correct = 61; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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10   Pass
%% r = 7.5; N_correct = 130; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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11   Pass
%% r = 10; N_correct = 244; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

12   Pass
%% r = 15; N_correct = 547; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

13   Pass
%% r = 20; N_correct = 979; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

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14   Pass
%% r = 25; N_correct = 1510; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

15   Pass
%% r = 50; N_correct = 6049; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```

16   Pass
%% r = 100; N_correct = 24202; assert(isequal(shifted_hexagonal_tiling_dots_in_circle(r),N_correct));

``` ```