Cody

Problem 1394. Prime Ladders

Solution 231158

Submitted on 16 Apr 2013 by Jean-Marie Sainthillier
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Test Suite

Test Status Code Input and Output
1   Pass
%% p1 = 13; p2 = 29; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

2   Pass
%% p1 = 389; p2 = 269; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

3   Pass
%% p1 = 761; p2 = 397; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

4   Pass
%% p1 = 983; p2 = 239; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

5   Pass
%% p1 = 271; p2 = 439; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

6   Pass
%% p1 = 877; p2 = 733; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

7   Pass
%% p1 = 2267; p2 = 1153; ladder = prime_ladder(p1,p2); assert(all(isprime(ladder))) assert(iscolumn(ladder)) assert(ladder(1)==p1) assert(ladder(end)==p2) assert(all(sum(diff(num2str(ladder))~=0,2)==1))

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