//归并排序递归方法实现 #include <iostream> #include <cstdio> using namespace std; #define maxn 1000005 int a[maxn], temp[maxn]; long long ans; void MergeSort(int a[], int l, int mid, int r) { ; int i = l, n = mid, j = mid, m = r; while ( i<n &&am…
Agri-Net Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 46319 Accepted: 19052 Description Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He nee…
Problem Description There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say two village A and B are connected, if and only if there is a road between A and B…
畅通project Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16722 Accepted Submission(s): 6987 Problem Description 省政府"畅通project"的目标是使全省不论什么两个村庄间都能够实现公路交通(但不一定有直接的公路相连.仅仅要能间接通过公路可达就可以).经过…
Description 求出给定无向带权图的最小生成树.图的定点为字符型,权值为不超过100的整形.在提示中已经给出了部分代码,你只需要完善Prim算法即可. Input 第一行为图的顶点个数n 第二行为图的边的条数e 接着e行为依附于一条边的两个顶点和边上的权值 Output 最小生成树中的边. Sample Input ABCDEF A B 6 A C 1 A D 5 B C 5 C D 5 B E 3 E C 6 C F 4 F D 2 E F 6 Sample O…
Minimal Ratio Tree Time Limit : 2000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 12 Accepted Submission(s) : 7 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description For a tree, which n…