Cody

# Problem 1493. Dots in a Diamond

Solution 241998

Submitted on 9 May 2013
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### Test Suite

Test Status Code Input and Output
1   Pass
%% user_solution = fileread('dots_in_diamond.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(dots_in_diamond(r),N_correct));

``` ans = 1 ans = 1 ```

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

``` ans = 2 ans = 1 ```

4   Pass
%% r = 1; N_correct = 5; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 3 ans = 5 ```

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

``` ans = 4 ans = 5 ```

6   Fail
%% r = 1.74; N_correct = 17; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

7   Pass
%% r = 2; N_correct = 29; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 5 ans = 29 ```

8   Pass
%% r = 2.5; N_correct = 35; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 6 ans = 35 ```

9   Pass
%% r = 3; N_correct = 87; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 7 ans = 87 ```

10   Fail
%% r = 4; N_correct = 167; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

11   Pass
%% r = 5; N_correct = 357; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 8 ans = 357 ```

12   Fail
%% r = 6; N_correct = 633; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

13   Fail
%% r = 7; N_correct = 943; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

14   Fail
%% r = 8; N_correct = 1371; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

15   Fail
%% r = 9; N_correct = 1963; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

16   Pass
%% r = 10; N_correct = 2809; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 10 ans = 2809 ```

17   Fail
%% r = 12.5; N_correct = 5359; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

18   Pass
%% r = 15; N_correct = 9249; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 11 ans = 9249 ```

19   Fail
%% r = 17.5; N_correct = 14451; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

20   Pass
%% r = 20; N_correct = 21777; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 12 ans = 21777 ```

21   Fail
%% r = 22.5; N_correct = 31075; assert(isequal(dots_in_diamond(r),N_correct));

```Error: Assertion failed. ```

22   Pass
%% r = 25; N_correct = 42509; assert(isequal(dots_in_diamond(r),N_correct));

``` ans = 13 ans = 42509 ```