1 sec on Large Judge (java):
https://github.com/leoyonn/leetcode/blob/master/src/q029_substring_of_all_words/Solution.java
转载于:https://www.cnblogs.com/codingtmd/archive/2013/03/31/5079017.html
转载于:https://www.cnblogs.com/codingtmd/archive/2013/03/31/5079017.html