March 12, 2016
Great workout! Julia made a few mistakes, and then, fixed the issues:
https://gist.github.com/jianminchen/e7038fa7e59c96378675
Julia, your code is not short enough. Study other people's submission:
1. using Dictionary
2. declare array size of 26, not 256
3. other things - check string input etc.
4. using string manipulation, from an empty string, remove char if finding it, otherwise, append the char.
C#:
1. https://gist.github.com/jianminchen/6bf133d5c42e18260410
2. https://gist.github.com/jianminchen/bd3834da7b28ae619ee2
3. https://gist.github.com/jianminchen/16e9837b7b6b1e1a721c
Read a few of solutions using Java, C++. Great experience, relax and have some fun.
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