Genealogical Tree Time limit: 1.0 secondMemory limit: 64 MB Background The system of Martians’ blood relations is confusing enough. Actually, Martians bud when they want and where they want. They gather together in different groups, so that a Martian…

裸拓扑排序. 拓扑排序 用一个队列实现,先把入度为0的点放入队列.然后考虑不断在图中删除队列中的点,每次删除一个点会产生一些新的入度为0的点.把这些点插入队列. 注意:有向无环图 g[] : g[i]表示从点i连出去的边 L[] :拓扑排序的结构 code: #include <cstdio> #include <cstring> #include <queue> using namespace std; const int maxn = 100 + 5; vector…

Genealogical tree Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8003   Accepted: 5184   Special Judge Description The system of Martians' blood relations is confusing enough. Actually, Martians bud when they want and where they want. T…

题目:火星人的血缘关系,简单拓扑排序.很久没用邻接表了,这里复习一下. import java.util.Scanner; class edge { int val; edge next; } public class Main { static int n; static int MAXV = 1001; static edge head[] = new edge[MAXV]; static int in[]; static boolean vis[]; public static void…

Genealogical tree poj-2367 题目大意:给你一个n个点关系网,求任意一个满足这个关系网的序列,使得前者是后者的上级. 注释:1<=n<=100. 想法:刚刚学习toposort,什么是toposort? 就是每一个点的遍历或选取有先决条件,那么我们可以通过队列或者栈将控制当前点的点先遍历,这样弹栈或出队的序列,就是toposort的结果 我们先附上模板 int v[100100];//入度 bool map[110][110]={false};//是否存在控制与被控制…

1022 简单拓扑 不能直接dfs 可能有不联通的 #include <iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<stdlib.h> #include<vector> using namespace std; vector<]; ],de[]; void topo() { int i,j; ; i <= n ; i++…

一条标准的拓扑题解. 我这里的做法就是: 保存单亲节点作为邻接表的邻接点,这样就非常方便能够查找到那些点是没有单亲的节点,那么就能够输出该节点了. 详细实现的方法有非常多种的,比方记录每一个节点的入度,输出一个节点之后,把这个节点对于其它节点的入度去掉,然后继续查找入度为零的点输出.这个是一般的做法了,效果和我的程序一样的. 有兴趣的也能够參考下我这样的做法. #include <stdio.h> #include <string.h> #include <vector>…

Genealogical tree Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7285   Accepted: 4704   Special Judge Description The system of Martians' blood relations is confusing enough. Actually, Martians bud when they want and where they want. T…

Genealogical tree Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3674   Accepted: 2445   Special Judge Description The system of Martians' blood relations is confusing enough. Actually, Martians bud when they want and where they want. T…

[POJ2367]Genealogical tree Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 5696   Accepted: 3729   Special Judge Description The system of Martians' blood relations is confusing enough. Actually, Martians bud when they want and where the…