两次SPFA. 求 来 和 回 的最短路之和. 用Dijkstra+邻接矩阵确实好写+方便交换.可是这个有1000000个点.矩阵开不了. d1[]为 1~N 的最短路. 将全部边的 邻点 交换. d2[] 为 1~N 的最短路. 全部相加为 所要答案. 忧伤的是用SPFA  "HDU 1535"  AC了.可是POJ 一样的题 "POJ 1511" 就WA了. 然后强迫症犯了.不停的去測试. 题意中找到一句关键话 :Prices are positive inte…

题目链接: 传送门 Invitation Cards Time Limit: 5000MS     Memory Limit: 32768 K Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, mo…

Invitation Cards Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 3129    Accepted Submission(s): 1456 Problem Description In the age of television, not many people attend theater performances.…

Invitation Cards Time Limit: 8000MS   Memory Limit: 262144K Total Submissions: 33435   Accepted: 11104 Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They wa…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1535 Problem Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all,…

Invitation Cards Time Limit: 8000MS   Memory Limit: 262144K Total Submissions: 34743   Accepted: 11481 题目链接:http://poj.org/problem?id=1511 Description: In the age of television, not many people attend theater performances. Antique Comedians of Malidi…

Invitation Cards Time Limit : 10000/5000ms (Java/Other)   Memory Limit : 65536/65536K (Java/Other) Total Submission(s) : 28   Accepted Submission(s) : 14 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description In the age of telev…

题目链接 Problem Description In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation c…

Invitation Cards Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1588    Accepted Submission(s): 714 Problem Description In the age of television, not many people attend theater performances. A…

Invitation Cards In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate theater and, most of all, Antique Comedies. They have printed invitation cards wit…