2018 年 4月 19 日随笔档案 - Vanisher

摘要：【题目链接】 https://www.lydsy.com/JudgeOnline/problem.php?id=5290 https://www.luogu.org/problemnew/show/P4438 【题解】记f[i][j][k]" role=... 阅读全文

posted @ 2018-04-19 22:12 Vanisher 阅读(82) 评论(0) 推荐(0)

摘要：【题目链接】 https://www.lydsy.com/JudgeOnline/problem.php?id=5288 https://www.luogu.org/problemnew/show/P4436 【题解】听说枚举拐点的O(N2)" role... 阅读全文

posted @ 2018-04-19 21:52 Vanisher 阅读(145) 评论(0) 推荐(0)

摘要：【题目链接】 https://www.lydsy.com/JudgeOnline/problem.php?id=5289 https://www.luogu.org/problemnew/show/P4437 【题解】限制条件可以归纳为：若a[i]" r... 阅读全文

posted @ 2018-04-19 21:37 Vanisher 阅读(86) 评论(0) 推荐(0)

Vanisher