Cody

# Problem 659. How long is the longest prime diagonal?

Solution 1710465

Submitted on 20 Jan 2019 by Abdelfatah Teamah
• Size: 7
• This is the leading solution.
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 4; d = 2; %p = isprime(spiral(n));imagesc(p) assert(isequal(prime_spiral(n),d))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In prime_spiral (line 2) In ScoringEngineTestPoint1 (line 4) In solutionTest (line 3)]

2   Pass
n = 7; d = 4; assert(isequal(prime_spiral(n),d))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In prime_spiral (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]

3   Pass
n = 13; d = 5; assert(isequal(prime_spiral(n),d))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In prime_spiral (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)]

4   Pass
n = 52; d = 6; assert(isequal(prime_spiral(n),d))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In prime_spiral (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)]

5   Pass
n = 81; d = 9; assert(isequal(prime_spiral(n),d))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In prime_spiral (line 2) In ScoringEngineTestPoint5 (line 3) In solutionTest (line 11)]