Ice_cream's world I】的更多相关文章

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;…
题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=2120 Ice_cream's world I Description 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 s…
题目链接: 题目 Ice_cream's world II Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) 问题描述 After awarded lands to ACMers, the queen want to choose a city be her capital. This is an important event in ice_cream world, and it a…
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,…
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): 576    Accepted Submission(s): 185 Problem Description ice_cream’s world becomes stronger and stronger; every road is built…
Ice_cream's world I Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 1   Accepted Submission(s) : 1 Problem Description ice_cream's world is a rich country, it has many fertile lands. Today, the q…
Ice_cream's world I Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 839    Accepted Submission(s): 488 Problem Description ice_cream's world is a rich country, it has many fertile lands. Today,…
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…