Cody

Problem 1394. Prime Ladders

Solution 3620853

Submitted on 11 Nov 2020
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Test Suite

Test Status Code Input and Output
1   Fail
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))

prlist = 1 1 1 3 1 7 1 9 2 3 2 9 3 1 3 7 4 1 4 3 4 7 5 3 5 9 6 1 6 7 7 1 7 3 7 9 8 3 8 9 9 7 carry = 1 1 1 7 1 9 2 3 3 7 4 1 4 3 5 3 6 1 7 1 7 3 8 3

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test1 (line 3) ladder = prime_ladder(p1,p2);

2   Fail
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))

prlist = 1 0 1 1 0 3 1 0 7 1 0 9 1 1 3 1 2 7 1 3 1 1 3 7 1 3 9 1 4 9 1 5 1 1 5 7 1 6 3 1 6 7 1 7 3 1 7 9 1 8 1 1 9 1 1 9 3 1 9 7 1 9 9 2 1 1 2 2 3 2 2 7 2 2 9 2 3 3 2 3 9 2 4 1 2 5 1 2 5 7 2 6 3 2 6 9 2 7 1 2 7 7 2 8 1 2 8 3 2 9 3 3 0 7 3 1 1 3 1 3 3 1 7 3 3 1 3 3 7 3 4 7 3 4 9 3 5 3 3 5 9 3 6 7 3 7 3 3 7 9 3 8 3 3 8 9 3 9 7 4 0 1 4 0 9 4 1 9 4 2 1 4 3 1 4 3 3 4 3 9 4 4 3 4 4 9 4 5 7 4 6 1 4 6 3 4 6 7 4 7 9 4 8 7 4 9 1 4 9 9 5 0 3 5 0 9 5 2 1 5 2 3 5 4 1 5 4 7 5 5 7 5 6 3 5 6 9 5 7 1 5 7 7 5 8 7 5 9 3 5 9 9 6 0 1 6 0 7 6 1 3 6 1 7 6 1 9 6 3 1 6 4 1 6 4 3 6 4 7 6 5 3 6 5 9 6 6 1 6 7 3 6 7 7 6 8 3 6 9 1 7 0 1 7 0 9 7 1 9 7 2 7 7 3 3 7 3 9 7 4 3 7 5 1 7 5 7 7 6 1 7 6 9 7 7 3 7 8 7 7 9 7 8 0 9 8 1 1 8 2 1 8 2 3 8 2 7 8 2 9 8 3 9 8 5 3 8 5 7 8 5 9 8 6 3 8 7 7 8 8 1 8 8 3 8 8 7 9 0 7 9 1 1 9 1 9 9 2 9 9 3 7 9 4 1 9 4 7 9 5 3 9 6 7 9 7 1 9 7 7 9 8 3 9 9 1 9 9 7 carry = 1 3 9 1 9 3 2 3 9 2 8 3 2 9 3 3 4 9 3 5 9 3 7 9 3 8 3 3 9 7 4 3 9 5 9 3 6 8 3 7 3 9 8 0 9 8 2 3 8 2 9 8 5 3 8 5 9 8 6 3 8 8 3 9 3 7 9 5 3

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test2 (line 3) ladder = prime_ladder(p1,p2);

3   Fail
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))

prlist = 1 0 1 1 0 3 1 0 7 1 0 9 1 1 3 1 2 7 1 3 1 1 3 7 1 3 9 1 4 9 1 5 1 1 5 7 1 6 3 1 6 7 1 7 3 1 7 9 1 8 1 1 9 1 1 9 3 1 9 7 1 9 9 2 1 1 2 2 3 2 2 7 2 2 9 2 3 3 2 3 9 2 4 1 2 5 1 2 5 7 2 6 3 2 6 9 2 7 1 2 7 7 2 8 1 2 8 3 2 9 3 3 0 7 3 1 1 3 1 3 3 1 7 3 3 1 3 3 7 3 4 7 3 4 9 3 5 3 3 5 9 3 6 7 3 7 3 3 7 9 3 8 3 3 8 9 3 9 7 4 0 1 4 0 9 4 1 9 4 2 1 4 3 1 4 3 3 4 3 9 4 4 3 4 4 9 4 5 7 4 6 1 4 6 3 4 6 7 4 7 9 4 8 7 4 9 1 4 9 9 5 0 3 5 0 9 5 2 1 5 2 3 5 4 1 5 4 7 5 5 7 5 6 3 5 6 9 5 7 1 5 7 7 5 8 7 5 9 3 5 9 9 6 0 1 6 0 7 6 1 3 6 1 7 6 1 9 6 3 1 6 4 1 6 4 3 6 4 7 6 5 3 6 5 9 6 6 1 6 7 3 6 7 7 6 8 3 6 9 1 7 0 1 7 0 9 7 1 9 7 2 7 7 3 3 7 3 9 7 4 3 7 5 1 7 5 7 7 6 1 7 6 9 7 7 3 7 8 7 7 9 7 8 0 9 8 1 1 8 2 1 8 2 3 8 2 7 8 2 9 8 3 9 8 5 3 8 5 7 8 5 9 8 6 3 8 7 7 8 8 1 8 8 3 8 8 7 9 0 7 9 1 1 9 1 9 9 2 9 9 3 7 9 4 1 9 4 7 9 5 3 9 6 7 9 7 1 9 7 7 9 8 3 9 9 1 9 9 7 carry = 1 0 7 1 2 7 1 3 7 1 5 7 1 6 3 1 7 3 1 7 9 1 9 7 2 7 1 3 1 7 3 6 7 4 6 1 4 6 7 5 7 1 6 0 1 6 0 7 6 1 3 6 1 9 6 3 1 6 4 1 6 4 7 6 6 1 6 7 3 6 7 7 6 9 1 7 0 1 7 1 9 7 5 1 7 6 9 9 6 7 9 7 1

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test3 (line 3) ladder = prime_ladder(p1,p2);

4   Fail
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))

prlist = 1 0 1 1 0 3 1 0 7 1 0 9 1 1 3 1 2 7 1 3 1 1 3 7 1 3 9 1 4 9 1 5 1 1 5 7 1 6 3 1 6 7 1 7 3 1 7 9 1 8 1 1 9 1 1 9 3 1 9 7 1 9 9 2 1 1 2 2 3 2 2 7 2 2 9 2 3 3 2 3 9 2 4 1 2 5 1 2 5 7 2 6 3 2 6 9 2 7 1 2 7 7 2 8 1 2 8 3 2 9 3 3 0 7 3 1 1 3 1 3 3 1 7 3 3 1 3 3 7 3 4 7 3 4 9 3 5 3 3 5 9 3 6 7 3 7 3 3 7 9 3 8 3 3 8 9 3 9 7 4 0 1 4 0 9 4 1 9 4 2 1 4 3 1 4 3 3 4 3 9 4 4 3 4 4 9 4 5 7 4 6 1 4 6 3 4 6 7 4 7 9 4 8 7 4 9 1 4 9 9 5 0 3 5 0 9 5 2 1 5 2 3 5 4 1 5 4 7 5 5 7 5 6 3 5 6 9 5 7 1 5 7 7 5 8 7 5 9 3 5 9 9 6 0 1 6 0 7 6 1 3 6 1 7 6 1 9 6 3 1 6 4 1 6 4 3 6 4 7 6 5 3 6 5 9 6 6 1 6 7 3 6 7 7 6 8 3 6 9 1 7 0 1 7 0 9 7 1 9 7 2 7 7 3 3 7 3 9 7 4 3 7 5 1 7 5 7 7 6 1 7 6 9 7 7 3 7 8 7 7 9 7 8 0 9 8 1 1 8 2 1 8 2 3 8 2 7 8 2 9 8 3 9 8 5 3 8 5 7 8 5 9 8 6 3 8 7 7 8 8 1 8 8 3 8 8 7 9 0 7 9 1 1 9 1 9 9 2 9 9 3 7 9 4 1 9 4 7 9 5 3 9 6 7 9 7 1 9 7 7 9 8 3 9 9 1 9 9 7 carry = 1 3 9 1 9 3 2 3 9 2 8 3 2 9 3 3 4 9 3 5 9 3 7 9 3 8 3 3 9 7 4 3 9 5 9 3 6 8 3 7 3 9 8 0 9 8 2 3 8 2 9 8 5 3 8 5 9 8 6 3 8 8 3 9 3 7 9 5 3

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test4 (line 3) ladder = prime_ladder(p1,p2);

5   Fail
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))

prlist = 1 0 1 1 0 3 1 0 7 1 0 9 1 1 3 1 2 7 1 3 1 1 3 7 1 3 9 1 4 9 1 5 1 1 5 7 1 6 3 1 6 7 1 7 3 1 7 9 1 8 1 1 9 1 1 9 3 1 9 7 1 9 9 2 1 1 2 2 3 2 2 7 2 2 9 2 3 3 2 3 9 2 4 1 2 5 1 2 5 7 2 6 3 2 6 9 2 7 1 2 7 7 2 8 1 2 8 3 2 9 3 3 0 7 3 1 1 3 1 3 3 1 7 3 3 1 3 3 7 3 4 7 3 4 9 3 5 3 3 5 9 3 6 7 3 7 3 3 7 9 3 8 3 3 8 9 3 9 7 4 0 1 4 0 9 4 1 9 4 2 1 4 3 1 4 3 3 4 3 9 4 4 3 4 4 9 4 5 7 4 6 1 4 6 3 4 6 7 4 7 9 4 8 7 4 9 1 4 9 9 5 0 3 5 0 9 5 2 1 5 2 3 5 4 1 5 4 7 5 5 7 5 6 3 5 6 9 5 7 1 5 7 7 5 8 7 5 9 3 5 9 9 6 0 1 6 0 7 6 1 3 6 1 7 6 1 9 6 3 1 6 4 1 6 4 3 6 4 7 6 5 3 6 5 9 6 6 1 6 7 3 6 7 7 6 8 3 6 9 1 7 0 1 7 0 9 7 1 9 7 2 7 7 3 3 7 3 9 7 4 3 7 5 1 7 5 7 7 6 1 7 6 9 7 7 3 7 8 7 7 9 7 8 0 9 8 1 1 8 2 1 8 2 3 8 2 7 8 2 9 8 3 9 8 5 3 8 5 7 8 5 9 8 6 3 8 7 7 8 8 1 8 8 3 8 8 7 9 0 7 9 1 1 9 1 9 9 2 9 9 3 7 9 4 1 9 4 7 9 5 3 9 6 7 9 7 1 9 7 7 9 8 3 9 9 1 9 9 7 carry = 1 0 7 1 3 7 1 5 7 1 6 7 1 7 3 1 7 9 1 9 7 2 1 1 2 2 7 2 4 1 2 5 1 2 5 7 2 7 7 2 8 1 3 1 7 4 2 1 5 2 1 5 7 1 6 1 7 7 0 1 7 1 9 7 2 7 7 5 1 7 6 1 8 2 1 8 2 7 9 7 1

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test5 (line 3) ladder = prime_ladder(p1,p2);

6   Fail
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))

prlist = 1 0 1 1 0 3 1 0 7 1 0 9 1 1 3 1 2 7 1 3 1 1 3 7 1 3 9 1 4 9 1 5 1 1 5 7 1 6 3 1 6 7 1 7 3 1 7 9 1 8 1 1 9 1 1 9 3 1 9 7 1 9 9 2 1 1 2 2 3 2 2 7 2 2 9 2 3 3 2 3 9 2 4 1 2 5 1 2 5 7 2 6 3 2 6 9 2 7 1 2 7 7 2 8 1 2 8 3 2 9 3 3 0 7 3 1 1 3 1 3 3 1 7 3 3 1 3 3 7 3 4 7 3 4 9 3 5 3 3 5 9 3 6 7 3 7 3 3 7 9 3 8 3 3 8 9 3 9 7 4 0 1 4 0 9 4 1 9 4 2 1 4 3 1 4 3 3 4 3 9 4 4 3 4 4 9 4 5 7 4 6 1 4 6 3 4 6 7 4 7 9 4 8 7 4 9 1 4 9 9 5 0 3 5 0 9 5 2 1 5 2 3 5 4 1 5 4 7 5 5 7 5 6 3 5 6 9 5 7 1 5 7 7 5 8 7 5 9 3 5 9 9 6 0 1 6 0 7 6 1 3 6 1 7 6 1 9 6 3 1 6 4 1 6 4 3 6 4 7 6 5 3 6 5 9 6 6 1 6 7 3 6 7 7 6 8 3 6 9 1 7 0 1 7 0 9 7 1 9 7 2 7 7 3 3 7 3 9 7 4 3 7 5 1 7 5 7 7 6 1 7 6 9 7 7 3 7 8 7 7 9 7 8 0 9 8 1 1 8 2 1 8 2 3 8 2 7 8 2 9 8 3 9 8 5 3 8 5 7 8 5 9 8 6 3 8 7 7 8 8 1 8 8 3 8 8 7 9 0 7 9 1 1 9 1 9 9 2 9 9 3 7 9 4 1 9 4 7 9 5 3 9 6 7 9 7 1 9 7 7 9 8 3 9 9 1 9 9 7 carry = 4 8 7 5 8 7 7 8 7 8 2 7 8 5 7 8 7 7 8 8 7

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test6 (line 3) ladder = prime_ladder(p1,p2);

7   Fail
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))

prlist = 1 0 0 9 1 0 1 3 1 0 1 9 1 0 2 1 1 0 3 1 1 0 3 3 1 0 3 9 1 0 4 9 1 0 5 1 1 0 6 1 1 0 6 3 1 0 6 9 1 0 8 7 1 0 9 1 1 0 9 3 1 0 9 7 1 1 0 3 1 1 0 9 1 1 1 7 1 1 2 3 1 1 2 9 1 1 5 1 1 1 5 3 1 1 6 3 1 1 7 1 1 1 8 1 1 1 8 7 1 1 9 3 1 2 0 1 1 2 1 3 1 2 1 7 1 2 2 3 1 2 2 9 1 2 3 1 1 2 3 7 1 2 4 9 1 2 5 9 1 2 7 7 1 2 7 9 1 2 8 3 1 2 8 9 1 2 9 1 1 2 9 7 1 3 0 1 1 3 0 3 1 3 0 7 1 3 1 9 1 3 2 1 1 3 2 7 1 3 6 1 1 3 6 7 1 3 7 3 1 3 8 1 1 3 9 9 1 4 0 9 1 4 2 3 1 4 2 7 1 4 2 9 1 4 3 3 1 4 3 9 1 4 4 7 1 4 5 1 1 4 5 3 1 4 5 9 1 4 7 1 1 4 8 1 1 4 8 3 1 4 8 7 1 4 8 9 1 4 9 3 1 4 9 9 1 5 1 1 1 5 2 3 1 5 3 1 1 5 4 3 1 5 4 9 1 5 5 3 1 5 5 9 1 5 6 7 1 5 7 1 1 5 7 9 1 5 8 3 1 5 9 7 1 6 0 1 1 6 0 7 1 6 0 9 1 6 1 3 1 6 1 9 1 6 2 1 1 6 2 7 1 6 3 7 1 6 5 7 1 6 6 3 1 6 6 7 1 6 6 9 1 6 9 3 1 6 9 7 1 6 9 9 1 7 0 9 1 7 2 1 1 7 2 3 1 7 3 3 1 7 4 1 1 7 4 7 1 7 5 3 1 7 5 9 1 7 7 7 1 7 8 3 1 7 8 7 1 7 8 9 1 8 0 1 1 8 1 1 1 8 2 3 1 8 3 1 1 8 4 7 1 8 6 1 1 8 6 7 1 8 7 1 1 8 7 3 1 8 7 7 1 8 7 9 1 8 8 9 1 9 0 1 1 9 0 7 1 9 1 3 1 9 3 1 1 9 3 3 1 9 4 9 1 9 5 1 1 9 7 3 1 9 7 9 1 9 8 7 1 9 9 3 1 9 9 7 1 9 9 9 2 0 0 3 2 0 1 1 2 0 1 7 2 0 2 7 2 0 2 9 2 0 3 9 2 0 5 3 2 0 6 3 2 0 6 9 2 0 8 1 2 0 8 3 2 0 8 7 2 0 8 9 2 0 9 9 2 1 1 1 2 1 1 3 2 1 2 9 2 1 3 1 2 1 3 7 2 1 4 1 2 1 4 3 2 1 5 3 2 1 6 1 2 1 7 9 2 2 0 3 2 2 0 7 2 2 1 3 2 2 2 1 2 2 3 7 2 2 3 9 2 2 4 3 2 2 5 1 2 2 6 7 2 2 6 9 2 2 7 3 2 2 8 1 2 2 8 7 2 2 9 3 2 2 9 7 2 3 0 9 2 3 1 1 2 3 3 3 2 3 3 9 2 3 4 1 2 3 4 7 2 3 5 1 2 3 5 7 2 3 7 1 2 3 7 7 2 3 8 1 2 3 8 3 2 3 8 9 2 3 9 3 2 3 9 9 2 4 1 1 2 4 1 7 2 4 2 3 2 4 3 7 2 4 4 1 2 4 4 7 2 4 5 9 2 4 6 7 2 4 7 3 2 4 7 7 2 5 0 3 2 5 2 1 2 5 3 1 2 5 3 9 2 5 4 3 2 5 4 9 2 5 5 1 2 5 5 7 2 5 7 9 2 5 9 1 2 5 9 3 2 6 0 9 2 6 1 7 2 6 2 1 2 6 3 3 2 6 4 7 2 6 5 7 2 6 5 9 2 6 6 3 2 6 7 1 2 6 7 7 2 6 8 3 2 6 8 7 2 6 8 9 2 6 9 3 2 6 9 9 2 7 0 7 2 7 1 1 2 7 1 3 2 7 1 9 2 7 2 9 2 7 3 1 2 7 4 1 2 7 4 9 2 7 5 3 2 7 6 7 2 7 7 7 2 7 8 9 2 7 9 1 2 7 9 7 2 8 0 1 2 8 0 3 2 8 1 9 2 8 3 3 2 8 3 7 2 8 4 3 2 8 5 1 2 8 5 7 2 8 6 1 2 8 7 9 2 8 8 7 2 8 9 7 2 9 0 3 2 9 0 9 2 9 1 7 2 9 2 7 2 9 3 9 2 9 5 3 2 9 5 7 2 9 6 3 2 9 6 9 2 9 7 1 2 9 9 9 3 0 0 1 3 0 1 1 3 0 1 9 3 0 2 3 3 0 3 7 3 0 4 1 3 0 4 9 3 0 6 1 3 0 6 7 3 0 7 9 3 0 8 3 3 0 8 9 3 1 0 9 3 1 1 9 3 1 2 1 3 1 3 7 3 1 6 3 3 1 6 7 3 1 6 9 3 1 8 1 3 1 8 7 3 1 9 1 3 2 0 3 3 2 0 9 3 2 1 7 3 2 2 1 3 2 2 9 3 2 5 1 3 2 5 3 3 2 5 7 3 2 5 9 3 2 7 1 3 2 9 9 3 3 0 1 3 3 0 7 3 3 1 3 3 3 1 9 3 3 2 3 3 3 2 9 3 3 3 1 3 3 4 3 3 3 4 7 3 3 5 9 3 3 6 1 3 3 7 1 3 3 7 3 3 3 8 9 3 3 9 1 3 4 0 7 3 4 1 3 3 4 3 3 3 4 4 9 3 4 5 7 3 4 6 1 3 4 6 3 3 4 6 7 3 4 6 9 3 4 9 1 3 4 9 9 3 5 1 1 3 5 1 7 3 5 2 7 3 5 2 9 3 5 3 3 3 5 3 9 3 5 4 1 3 5 4 7 3 5 5 7 3 5 5 9 3 5 7 1 3 5 8 1 3 5 8 3 3 5 9 3 3 6 0 7 3 6 1 3 3 6 1 7 3 6 2 3 3 6 3 1 3 6 3 7 3 6 4 3 3 6 5 9 3 6 7 1 3 6 7 3 3 6 7 7 3 6 9 1 3 6 9 7 3 7 0 1 3 7 0 9 3 7 1 9 3 7 2 7 3 7 3 3 3 7 3 9 3 7 6 1 3 7 6 7 3 7 6 9 3 7 7 9 3 7 9 3 3 7 9 7 3 8 0 3 3 8 2 1 3 8 2 3 3 8 3 3 3 8 4 7 3 8 5 1 3 8 5 3 3 8 6 3 3 8 7 7 3 8 8 1 3 8 8 9 3 9 0 7 3 9 1 1 3 9 1 7 3 9 1 9 3 9 2 3 3 9 2 9 3 9 3 1 3 9 4 3 3 9 4 7 3 9 6 7 3 9 8 9 4 0 0 1 4 0 0 3 4 0 0 7 4 0 1 3 4 0 1 9 4 0 2 1 4 0 2 7 4 0 4 9 4 0 5 1 4 0 5 7 4 0 7 3 4 0 7 9 4 0 9 1 4 0 9 3 4 0 9 9 4 1 1 1 4 1 2 7 4 1 ...

Output argument "ladder" (and maybe others) not assigned during call to "prime_ladder". Error in Test7 (line 3) ladder = prime_ladder(p1,p2);

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