万丈高楼平地起，要想厚积薄发平时就必须努力！少说多做，能动手的决不动口。这几个网站收藏了，抽时间练习上面的算法！加油！Just fighting！

https://www.topcoder.com

http://train.usaco.org

https://leetcode.com

http://www.geeksforgeeks.org

http://codeforces.com

https://github.com/Dev-XYS/Algorithms