ZCC loves stringsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 262144/131072 K (Java/Others)Total Submission(s): 264Accepted Submission(s): 100P...
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其他好文 时间:
2015-05-17 13:35:51
阅读次数:
89
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...
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其他好文 时间:
2015-05-17 09:24:52
阅读次数:
159
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...
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其他好文 时间:
2015-05-17 00:53:05
阅读次数:
169
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...
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其他好文 时间:
2015-05-07 22:13:48
阅读次数:
149
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 ...
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其他好文 时间:
2015-05-06 14:45:11
阅读次数:
110
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...
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其他好文 时间:
2015-05-05 01:22:29
阅读次数:
183
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...
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其他好文 时间:
2015-05-01 23:53:36
阅读次数:
129
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...
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其他好文 时间:
2015-04-30 18:24:29
阅读次数:
286
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...
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编程语言 时间:
2015-04-29 21:54:23
阅读次数:
211
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...
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其他好文 时间:
2015-04-27 15:17:42
阅读次数:
112