Python in Action.
Only unique questions from LintCode are included. Duplicated questions of LeetCode are excluded, which can be found in https://github.com/zhangdanyangg/LeetCode instead.
Failed attempts are kept in the source code as documentation, which are annotated as TLE (Time Limit Exceeds) or MLE (Memory Limit Exceeds).
Most of the code are from the section tag of LintCode Copyright