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8 votes
2 answers
4k views

Consecutive Primes challenge at CodeEval.com and memory allocation issue

I finally solved this challenge with using recursion and figured out why the automatic scorer wasn't passing my previous solutions. I was using NSMutableArray to ...
Yan's user avatar
  • 683
1 vote
1 answer
1k views

Consecutive Primes challenge at CodeEval.com

I am working through a new challenge on CodeEval.com and I think I am getting a correct result but I can't get through their grader. I am not exactly sure where error is. I didn't post this on stack ...
Yan's user avatar
  • 683
4 votes
1 answer
2k views

Seeking improved Objective-C permutation algorithm

This algorithm seeks to find all of the possible permutations of a word: ...
arc4randall's user avatar