2018杭电多校
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HDU 6299 Balanced Sequence 2018多校第一场
Problem DescriptionChiaki has n strings s1,s2,…,sn consisting of '(' and ')'. A string of this type is said to be balanced:+ if it is the empty string+ if A and B are balanced, AB is balanced,+ i...原创 2018-07-24 16:42:32 · 340 阅读 · 0 评论 -
HDU 6311 Cover 欧拉回路记录路径 2018杭电多校第二场
Problem DescriptionThe Wall has down and the King in the north has to send his soldiers to sentinel.The North can be regard as a undirected graph (not necessary to be connected), one soldier can co...原创 2018-07-27 11:24:00 · 257 阅读 · 0 评论 -
HDU 6356 Glad You Came 线段树或反向RMQ 2018杭电多校第五场
Glad You CameTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 885 Accepted Submission(s): 327Problem DescriptionSteve has an integer a...原创 2018-08-06 23:22:02 · 329 阅读 · 0 评论 -
HDU 6394 Tree 树分块或者LCT 2018杭电多校第七场
TreeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 380 Accepted Submission(s): 130Problem DescriptionAlice and Bob are playing with a...原创 2018-08-14 18:28:09 · 517 阅读 · 0 评论 -
HDU 6397 Character Encoding 容斥 2018杭电多校第八场
Character EncodingTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 510 Accepted Submission(s): 194 Problem DescriptionIn computer sc...原创 2018-08-15 23:15:19 · 287 阅读 · 0 评论