I would suggest go to http://hackerrank.com http://hackerrank.com, try to solve some problems, start from warm up section and move up. Search on internet for al

I would suggest go to http://hackerrank.com http://hackerrank.com, try to solve some problems, start from warm up section and move up. Search on internet for alogrithms etc before you look at other peoples code. That will give you a lot of confidence and will help you identify the areas where you lack and need to improve.