摘要: Common Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39661 Accepted Submission(s): 阅读全文
posted @ 2017-07-19 20:08 ZERO- 阅读(268) 评论(0) 推荐(0)
摘要: 容斥原理: 传送门容斥原理 阅读全文
posted @ 2017-07-19 11:16 ZERO- 阅读(184) 评论(2) 推荐(0)