随笔分类 - 最短路径
摘要:1003 Emergency (25分) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities
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摘要:链接:https://ac.nowcoder.com/acm/contest/1168/C来源:牛客网 题目描述 已知了飞行器的起点和终点以及n个休息站的坐标,问起点到终点的最短路径是多少? 限制:飞行器不能长期飞行,必须中途在某结点下停下休息。(即连续飞行距离应不大于m) 欧涛师兄很想在师妹面前大
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摘要:F、Moving On Firdaws and Fatinah are living in a country with nn cities, numbered from 11 to nn. Each city has a risk of kidnapping or robbery. Firdaws
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摘要:SPFA 算法 算法优点: 1.时间复杂度比普通的Dijkstra和Ford低。 2.能够计算负权图问题。 3.能够判断是否有负环 (即:每跑一圈,路径会减小,所以会一直循环跑下去)。 期望的时间复杂度O(k*e), 其中k为所有顶点进队的平均次数,e是边的数量,可以证明k一般小于等于2。 实现方法
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摘要:畅通工程续 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 82186 Accepted Submission(s): 31619 Problem
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摘要:一、Floyed: 弗洛伊德(Floyd)算法又称为插点法,是一种利用动态规划的思想寻找给定的加权图中多源点之间最短路径的算法,与Dijkstra算法类似,用于求每一对顶点的最短路径。 有向图无向图均可,也可以有负权边。 算法思想: 求任意两点之间的最短路径,两点之间可以直接到达但却不是最短的路径,
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摘要:Hie with the Pie Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 11243 Accepted: 5963 Description The Pizazz Pizzeria prides itself in deli
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摘要:Cow Hurdles Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9337 Accepted: 4058 Description Farmer John wants the cows to prepare for the c
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摘要:最短路径问题 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 41239 Accepted Submission(s): 11918 Proble
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摘要:一个人的旅行 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 50818 Accepted Submission(s): 16897 Proble
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