Triple Time Limit: 12000/6000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 388 Accepted Submission(s): 148 Problem Description Given the finite multi-set A of n pairs of integers, an another finite multi-set B …
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5517 题意:有二元组(a,b),三元组(c,d,e).当b == e时它们能构成(a,c,d)然后,当不存在(u,v,w)!=(a,b,c)且u>=a,v>=b,w>=c时,则是一个better集合里的元素.问这个better集合有几个元素. 题解:当 c.d 相同时对于当前 e 只有 a 最大的时候才有可能是 better 集合里的元素,所以记录相同的 b 中 最大的 a 以及它出现的次数…
题目链接:[http://acm.split.hdu.edu.cn/showproblem.php?pid=5517] 题意:定义multi_set A<a , d>,B<c , d , e>,C<x , y , z>,给出 A , B ,定义 C = A * B = ={⟨a,c,d⟩∣⟨a,b⟩∈A, ⟨c,d,e⟩∈B and b=e} .求出C之后,求C中一个元素t[i]<a , b , c>是否存在一个元素tmp<x , y , z>使…
Triple Time Limit: 5000/3000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others) Total Submission(s): 1365 Accepted Submission(s): 549 Problem Description Given many different integers, find out the number of triples (a, b, c) which sat…
GCD is Funny 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5902 Description Alex has invented a new game for fun. There are n integers at a board and he performs the following moves repeatedly: He chooses three numbers a, b and c written at the boa…
Machine Schedule Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=1150 Description As we all know, machine scheduling is a very classical problem in computer science and has been studied for a very long history.…