2017年10月30日
1050. String Subtraction (20)
摘要： Given two strings S1 and S2, S = S1 - S2 is defined to be the remaining string after taking all the characters in S2 from S1. Your task is simply to c 阅读全文
posted @ 2017-10-30 19:12 gaoren 阅读(168) 评论(0) 推荐(0) 编辑