摘要:Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 41250 Accepted: 17150 Description Given two strings a and b we define a*b to be their conca 阅读全文
posted @ 2016-04-19 20:03 CXCXCXC 阅读(187) 评论(0) 推荐(0) 编辑