原文:Gym 102028C - Supreme Command - [思维题][2018-2019 ACM-ICPC Asia Jiaozuo Regional Contest Problem C]

题目链接:https: codeforces.com gym problem C Lewis likes playing chess. Now he has n rooks on the chessboard with n rows and n columns. All rows of the chessboard are labelled with through n from top to b ...

2018-12-10 10:09 0 612 推荐指数:

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2018-2019 ACM-ICPC, Asia Nanjing Regional Contest

https://codeforces.com/gym/101981 Problem A. Adrien and Austin 贪心,注意细节 f[x]=1:先手必赢。 f[x]: 分成两部分(或一部分),长度分别为a和b,只要存在f[a] xor f[b]=0,则f[x ...

Sun Nov 18 07:38:00 CST 2018 0 720
2018-2019 ACM-ICPC, Asia Shenyang Regional Contest(补题)

A - Sockpuppets 未补 B - Sequences Generator 未补 C - Insertion Sort 签到之一,排列计数。 题意:给你排列的长度$n$,要求你求出排列的个数,满足对其前k项排序后其最长上升子序列至少为$n-1$。 解决 ...

Mon Dec 03 19:43:00 CST 2018 2 648
 
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