并查集+最小生成树 Ice_cream’s world III Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1121    Accepted Submission(s): 365 Problem Description ice_cream’s world becomes stronger and stronger; every roa…

Ice_cream's world III Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1237    Accepted Submission(s): 408 Problem Description ice_cream's world becomes stronger and stronger; every road is buil…

解题思路:基础的最小生成树反思:不明白为什么i从1开始取,就一直WA,难道是因为村庄的编号是从0开始的吗 Ice_cream’s world III Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1032    Accepted Submission(s): 335 Problem Description ice_cream’s wo…

Ice_cream’s world III Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 6   Accepted Submission(s) : 3 Problem Description ice_cream’s world becomes stronger and stronger; every road is built as un…

称号:pid=2121" target="_blank">hdoj 2121 Ice_cream's world II 题意:题目是一道躶题,给n个点,m条边的有向图.然后找一个点.到全部点的距离和最小.找出这个点并输入距离. 分析:非常明显是求一个最小树形图,可是没有说根节点.要找跟节点,我们能够虚拟一个节 点 x .x 到全部节点连边距离为前面全部距离和+1为 dis . 然后从x 节点求一次最小树形图为ans,则ans - dis 就是最小树形图的距离. 假设图不…

Ice_cream's world III Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 10   Accepted Submission(s) : 3 Problem Description ice_cream's world becomes stronger and stronger; every road is built as u…

Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 2122 Description ice_cream’s world becomes stronger and stronger; every road is built as undirected. The queen enjoys traveling around her world;…

汉诺塔III Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 15442 Accepted Submission(s): 7147 Problem Description 约19世纪末,在欧州的商店中出售一种智力玩具,在一块铜板上有三根杆,最左边的杆上自上而下.由小到大顺序串着由64个圆盘构成的塔.目的是将最左边杆上的盘全部移到右边的杆上,条…

Ice_cream's world I Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 741    Accepted Submission(s): 429 Problem Description ice_cream's world is a rich country, it has many fertile lands. Today,…

Ice_cream's world I ice_cream's world is a rich country, it has many fertile lands. Today, the queen of ice_cream wants award land to diligent ACMers. So there are some watchtowers are set up, and wall between watchtowers be build, in order to partit…