【poj 3687 Labeling Balls（拓补排序）】的更多相关文章

POJ 3687 Labeling Balls （top 排序）

Labeling Balls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 15792   Accepted: 4630 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share…

poj 3687 Labeling Balls - 贪心 - 拓扑排序

Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share the same label. The labeling satisfies several constrains like "The ball labeled with a is lighter than the on…

POJ 3687 Labeling Balls（拓扑排序）题解

Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share the same label. The labeling satisfies several constrains like "The ball labeled with a is lighter…

POJ 3687 Labeling Balls【拓扑排序 优先队列】

题意:给出n个人,m个轻重关系,求满足给出的轻重关系的并且满足编号小的尽量在前面的序列 因为输入的是a比b重,但是我们要找的是更轻的,所以需要逆向建图 逆向建图参看的这一篇http://blog.csdn.net/scf0920/article/details/28108243 然后用优先队列来实现的参看的这一篇 http://ycool.com/post/u9ahrwg#algo3 #include<iostream> #include<cstdio> #include<c…

[ACM] POJ 3687 Labeling Balls (拓扑排序，反向生成端）

Labeling Balls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10161   Accepted: 2810 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 toN in such a way that: No two balls share…

POJ 3687 Labeling Balls（反向拓扑+贪心思想！！！非常棒的一道题）

Labeling Balls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 16100   Accepted: 4726 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share…

poj 3687 Labeling Balls【反向拓扑】

Labeling Balls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12246   Accepted: 3508 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share…

poj——3687 Labeling Balls

Labeling Balls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 14835   Accepted: 4346 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share…

POJ 3687 Labeling Balls()

Labeling Balls Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9641 Accepted: 2636 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share the…

poj 3687 Labeling Balls（拓补排序）

Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share the same label. The labeling satisfies several constrains like "The ball labeled with a is lighter…