8
1
2014
3

NOI2014

我是sone大哥的脑残粉


算是考挂了吧,找找借口还是有很多的,不过说多了还是自己弱吧

也许是因为考前立了只求卡线的flag吧


Day 0

灰机误点半小时导致错过大巴,等了2h+

学军大爷的灰机好像更残(还以为坠机了)


Day 0.5

好神奇的开幕式唉

下午笔试猜一道对一道为后两天RP掉0爆蛋奠定了坚实的基础


Day 1

充满怨念

2h“拍对”了前两题,真的只是拍对(然后发现右边的xllend3大爷早就开始做提答,果然自己还是太弱)

吃了点东西就开始做提答,由于我不会构造回文串(自己弱),提答题跟爆蛋是一个节奏

感觉一试200+很舒畅啊,感觉二试只要滑水就行了啊

感觉T1 FST真心爽啊,day1就被艹到Ag线之后真是没脾气啊、、、、

第二题有80+人A掉?果然大家都做过cc的那道什么题?原来SPFA和三分都过了啊、、、还有人写什么启发式搜索,真是跪烂

好在那些东西都比LCT难写

发现T1的数据错了,虽然是我的代码错,不过换套数据说不定过了,然后就去申诉

我挂了第7个点,然后CCF修改了8、9、10三个测试点重测2333333... ...

orz 大哥270

晚上的交流会终于看到了唐文斌orz orz


Day 1.5

参观雷柏公司,由于day1的完挂心情很复杂

没有纪念品,差评


Day 2

day1完全拷贝了大哥去年的状态,然后大哥教导我,稍微努力一把是可以卡线的,虽然大哥去年被线卡了

考前老师跟我说,绍一以前的学长高一的时候都是Ag的,让我不要有负担

(一种说不出的感觉)

总之还是想去翻盘的,因为据说题目很难

不过还是10点拍完了前两题(果然这两题都有100人左右A掉)

(T2是NM的暴力不用说了、、T1写了个nlogn的树状数组fail树的dfs序,好像是卡常数卡过的?)

然后发现第三题也是道水题,用线段树+函数式Treap维护下凸壳就可以了(大哥和J也都想到Treap上去了,不过只有J写了出来,事实证明被卡空间了)

第三题我还有一种另类的想法,就是DP式(fi=fj+(deepi-deepj)*pi+pj)可以看成一种Manhattan距离,fj为第一维坐标,deepj为第二维坐标,用kdtree+SGT维护下,复杂度在根号左右?(然后因为写完70分暴力之后不敢妄动,就写了个线段树乱搞下)

我会说我真的看到特别提示了么、、我会说我真的很仔细的检查了么、、但是我的叉积还是把两个很大的数乘起来了、、

然后乱搞部分也被卡翻了(果然不行kdtree是不靠谱的,或者说我这个想法根本就是错的)

于是这题只有30暴力分了,感觉毫无希望啊

听说Au线的547啊,去年大哥被卡2分,hqw被卡3分,我要填上卡1分这个坑了么、、、

不过最后还算是卡进了,还算是很幸运的吧,好多人挂的残多了、、


还没反应过来已经什么都结束了,一段奇怪的经历


 

Category: My OI Life | Tags: My OI Life | Read Count: 2074
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