摘要: F. Ivan and Burgers 题目链接:https://codeforces.com/contest/1100/problem/F 题意: 给出n个数,然后有多个询问,每次回答询问所给出的区间的异或和最大值。 题解: 考虑离线做法,先把所有的询问区间按照右端点进行排序,然后从1开始逐个将a 阅读全文
posted @ 2019-02-23 12:03 heyuhhh 阅读(165) 评论(0) 推荐(0) 编辑
摘要: 2115: [Wc2011] Xor Time Limit: 10 Sec Memory Limit: 259 MBSubmit: 5714 Solved: 2420 题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=2115 Descrip 阅读全文
posted @ 2019-02-23 11:54 heyuhhh 阅读(148) 评论(0) 推荐(0) 编辑
摘要: 2460: [BeiJing2011]元素 Time Limit: 20 Sec Memory Limit: 128 MBSubmit: 2910 Solved: 1535 题目链接:https://www.lydsy.com/JudgeOnline/problem.php?id=2460 Desc 阅读全文
posted @ 2019-02-23 11:46 heyuhhh 阅读(221) 评论(0) 推荐(0) 编辑
摘要: Prince and Princess Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 2281 Accepted Submission(s): 阅读全文
posted @ 2019-02-23 11:32 heyuhhh 阅读(187) 评论(0) 推荐(0) 编辑
摘要: King's Quest 题目链接:http://poj.org/problem?id=1904 Description: Once upon a time there lived a king and he had N sons. And there were N beautiful girls 阅读全文
posted @ 2019-02-23 11:18 heyuhhh 阅读(187) 评论(0) 推荐(0) 编辑
摘要: Caocao's Bridges Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8476 Accepted Submission(s): 260 阅读全文
posted @ 2019-02-23 10:52 heyuhhh 阅读(162) 评论(0) 推荐(0) 编辑