2020-2021:teams:running_chicken:zrx604 [CVBB ACM Team]

Warning: session_start(): open(/tmp/sess_5a878a68fd73bbf9451b5eafe032234a, O_RDWR) failed: No space left on device (28) in /data/wiki/inc/init.php on line 239

Warning: session_start(): Failed to read session data: files (path: ) in /data/wiki/inc/init.php on line 239

Warning: Cannot modify header information - headers already sent by (output started at /data/wiki/inc/init.php:239) in /data/wiki/inc/auth.php on line 430

Writing /data/wiki/data/cache/8/878e000dca5c08fe55e62fff31fad8b7.captchaip failed

Warning: Cannot modify header information - headers already sent by (output started at /data/wiki/inc/init.php:239) in /data/wiki/inc/actions.php on line 38

Warning: Cannot modify header information - headers already sent by (output started at /data/wiki/inc/init.php:239) in /data/wiki/lib/tpl/dokuwiki/main.php on line 12
2020-2021:teams:running_chicken:zrx604 [CVBB ACM Team]

2020-2021:teams:running_chicken:zrx604

C

D

E (E 期望dp 概率*（下一个状态+转移代价））

F 关于括号序列层数的区间dp，可以删除无关括号，dp[l][r]表示l,r,区间的层数和，转移也很显然，就是莫名想不清正确性

2020-2021/teams/running_chicken/zrx604.txt · 最后更改: 2020/05/11 21:37 由 yyxzhj