Difference between revisions of "2018 ACM-ICPC Asia Nanjing Regional Contest"
Jump to navigation
Jump to search
Xiejiadong (talk | contribs) |
Xiejiadong (talk | contribs) |
||
Line 83: | Line 83: | ||
Solved by Xiejiadong && dreamcloud. | Solved by Xiejiadong && dreamcloud. | ||
− | 题意:给出两个字符串$s$,$t$,求有多少的数对$(i,j,k)$满足$s_i,\ | + | 题意:给出两个字符串$s$,$t$,求有多少的数对$(i,j,k)$满足$s_i,\cdots ,s_j,t_1,\cdots ,t_k$是回文串,且$j-i+1>k$。 |
题解: | 题解: |
Revision as of 11:55, 14 October 2018
Replay
oxx1108:
dreamcloud:
Xiejiadong:
- 热身赛受到对面南大队伍碾压。听说他们少过了一题,正式赛能多过一题?那我们正式赛一定能多过两题,比他们多一题(flag)。
- flag立住了(他们应该看不到这个吧,怂)。
- 开场开题,博弈题,数学题...挂机预定。
- 感觉B题很可做啊。搞了至少两个小时的$N^2$的优化,躺在地上看队友各种过题,差点零贡献领奖。
- 打印差评,送的慢,甚至中间有一段连打三份一份都不送,导致占着电脑debug,强制减少oxx上机时间。
- 比赛结束后,背后一生大吼,东南一队好强啊,随机seed用某人生日把K过去了。
- 冠军是dls,xls,小火车梦之队,心服口服。不过冠军没有奖杯,那这场冠军真是亏了。
- M题差评,由于原题,金牌题强行变成银牌题。K题差评,场上过的绝大部分都是随机。
- 比赛最后二十分钟,划水观看oxx提交了127发E题随机代码,比赛就是20min才得到了全部WA的feedback,差点以为要Au了。
Problem A
Solved by oxx1108.
Problem B
Unsolved.
IOI2014原题。
Problem C
Unsolved.
Problem D
Solved by Redbook.
题意:三位一体求最小覆盖。
题解:红书原题,甚至数据范围小了很多。
Problem E
Unsolved.
Problem F
Unsolved.
Problem G
Solved by oxx1108.
Problem H
Unsolved.
Problem I
Solved by dreamcloud.
Problem J
Solved by oxx1108.
Problem K
Unsolved.
Problem L
Unsolved.
Problem M
Solved by Xiejiadong && dreamcloud.
题意:给出两个字符串$s$,$t$,求有多少的数对$(i,j,k)$满足$s_i,\cdots ,s_j,t_1,\cdots ,t_k$是回文串,且$j-i+1>k$。
题解: