Believe it

相信不屈不挠的努力,相信战胜死亡的年轻

2019-08-09
- ACM
  - 刷题实战
    CodeForces
Codeforces Round ##FF (Div. 1) - C

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial nameDZY Loves Fibonacci Numbers discriptiontime limit per test:4 secondsmemory limit per test:256 m... 阅读全文…
2019-08-08
- ACM
  - 刷题实战
    hdu
hdu6635

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###nameNonsense Time ###descriptionYou a given a permutation $p_1,p_2,…,p_n$ of size n. Initially, ... 阅读全文…
2019-08-08
- ACM
  - 刷题实战
    牛客
2019牛客多校7H

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###namePair ###descirptionGiven three integers A, B, C. Count the number of pairs <x,y> (with... 阅读全文…
2019-08-08
- ACM
  - 刷题实战
    牛客
2019牛客多校7E

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###nameFind the median ###descirptionLet median of some array be the number which would stand in th... 阅读全文…
2019-08-08
- ACM
  - 学习笔记
    数学
两分数间分母最小的分数

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 给你两个分数,让你找一个分数在他们俩之间,要求分母最小, 这个问题很显然，我们应该转移到Stern Brocot Tree上面去做,对于给定的两个分数，我们把他们在树上标记出来，可能他们不在树的同一... 阅读全文…
2019-08-07
- ACM
  - 刷题实战
    hdu
hdu6624

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###namefraction ###descirptionMany problems require printing the probability of something. Moreover... 阅读全文…
2019-08-06
- ACM
  - 刷题实战
    洛谷
P2444

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###name病毒 ###descirption二进制病毒审查委员会最近发现了如下的规律：某些确定的二进制串是病毒的代码。如果某段代码中不存在任何一段病毒代码，那么我们就称这段代码是安全的。现在委员... 阅读全文…
2019-08-06
- ACM
  - 刷题实战
    hdu
hdu6625

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial ###namethree arrays ###descirptionThere are three integer arrays a,b,c. The lengths of them are all... 阅读全文…
2019-08-05
- ACM
  - 老Blog迁移
    reading_problem
51NOD1009

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 转移自老blog 51NOD1009 链接 https://www.51nod.com/C... 阅读全文…
2019-08-05
- ACM
  - 老Blog迁移
    reading_problem
51NOD1055

nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 转移自老blog 51NOD1055 链接 https://www.51nod.com/C... 阅读全文…