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搜索关键字:zcc loves intersecti    ( 824个结果
--BestCoder (#41-B)
ZCC loves stringsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 262144/131072 K (Java/Others)Total Submission(s): 264Accepted Submission(s): 100P...
分类:其他好文   时间:2015-05-17 13:35:51    阅读次数:89
BestCoder Round #41 -- (A,B)
题目传送:BestCoder Round #41 A、ZCC loves straight flush 思路:简单题,不过刚开始没看清题,wa了好几次,然后才发现输入不连续也可以,就是说每个同一花色的牌都可以放在一块,不用在意输入顺序,感觉这里题目应该说清楚点好些 AC代码(略挫,比赛时写的都比较乱): #include #include #includ...
分类:其他好文   时间:2015-05-17 09:24:52    阅读次数:159
HDOJ 5229 ZCC loves strings
ZCC loves strings Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/131072 K (Java/Others) Total Submission(s): 184    Accepted Submission(s): 70 Problem Description ZCC has g...
分类:其他好文   时间:2015-05-17 00:53:05    阅读次数:169
HDU 4876 ZCC loves cards【暴力+深搜+剪枝】
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4876 题意:给你N,l,k三个数,N代表N个数,从中任选k个数,然后 这k个数组成一个环,可以从这个环中选连续的1-k个数进行异或和 ,把所得到的值填充到l的后面,使得有一个数r让l-r之间所有的整 整数都被这些异或和填满,求最大的r,也许表达的不太清楚,其实 就是找一个最大的r,使得给定的...
分类:其他好文   时间:2015-05-07 22:13:48    阅读次数:149
codeforces 445 B DZY Loves Chemistry【并查集】
题意:给出n种化学物质,其中m对会发生化学反应,每次加入化学物质进去的时候,如果有能够和它发生反应的,危险值就乘以2,问怎样的放入顺序使得危险值最大将这m对会反应的用并查集处理,统计每个连通块里面的元素个数,再将其减去1,加起来,就是2的指数 1 #include 2 #include 3 ...
分类:其他好文   时间:2015-05-06 14:45:11    阅读次数:110
Codeforces276E:Little Girl and Problem on Trees
A little girl loves problems on trees very much. Here's one of them. A tree is an undirected connected graph, not containing cycles. The degree of node x in the tree is the number of nodes y of t...
分类:其他好文   时间:2015-05-05 01:22:29    阅读次数:183
Hdoj 5195 DZY Loves Topological Sorting 【拓扑】+【线段树】
DZY Loves Topological SortingTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 922 Accepted Submission(s): 269Problem Description A topolog...
分类:其他好文   时间:2015-05-01 23:53:36    阅读次数:129
BZOJ 4026 dC Loves Number Theory 分块+十字链表/可持久化线段树
题目大意:给定一个序列,多次询问某段区间乘积的φ\varphi值对10007771000777的模我竟然卡过去了233333 将序列分块,记录fi,jf_{i,j}表示第ii块左端点到第jj个点中出现的所有质数pp的p?1p\frac{p-1}p之积 每次询问[x,y][x,y],首先取出[x,y][x,y]区间内所有数的积,然后乘上fst,yf_{st,y}(其中stst是xx后面第一个块端点...
分类:其他好文   时间:2015-04-30 18:24:29    阅读次数:286
Codeforces Round #227 (Div. 2)---E. George and Cards(贪心, 树状数组+set维护, 好题!)
George is a cat, so he loves playing very much.Vitaly put n cards in a row in front of George. Each card has one integer written on it. All cards had distinct numbers written on them. Let’s number the...
分类:编程语言   时间:2015-04-29 21:54:23    阅读次数:211
Codeforces Round #179 (Div. 2)---D. Greg and Graph(离线+floyd)
Greg has a weighed directed graph, consisting of n vertices. In this graph any pair of distinct vertices has an edge between them in both directions. Greg loves playing with the graph and now he has in...
分类:其他好文   时间:2015-04-27 15:17:42    阅读次数:112
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