zxa and leaf 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5682 Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges, whose nodes are numbered from 1 to n. The degree of each node is defined as the number of the edge…
zxa and leaf Accepts: 25 Submissions: 249 Time Limit: 5000/2500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述 zxa有一棵含有nn个节点的无根树,包含(n-1)(n−1)条无向边,点从11到nn编号,定义每个点的度数为与这个点相连的边的数量,度数为11的节点被称作这棵树的叶子节点. zxa想给每个节点设置它的好看度,好看度必须为正整数.他的无根…
zxa and leaf Problem Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges, whose nodes are numbered from 1 to n. The degree of each node is defined as the number of the edges connected to it, and each node whose degree…
zxa and xor 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5683 Description zxa had a great interest in exclusive disjunction(i.e. XOR) recently, therefore he took out a non-negative integer sequence a1,a2,⋯,an of length n. zxa thought only doing th…
zxa and set 题目链接: http://acm.hust.edu.cn/vjudge/contest/121332#problem/G Description zxa has a set , which has elements and obviously non-empty subsets. For each subset of , which has elements, zxa defined its value as . zxa is interested to know, as…
zxa and xor Time Limit: 16000/8000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description zxa had a great interest in exclusive disjunction(i.e. XOR) recently, therefore he took out a non-negative integer sequence a1,a2,⋯,a…
// 大数继续 Problem Description Recall the definition of the Fibonacci numbers: f1 := 1 f2 := 2 fn := fn-1 + fn-2 (n >= 3) Given two numbers a and b, calculate how many Fibonacci numbers are in the range [a, b]. Input The input contains several t…
