206. Roads time limit per test: 0.5 sec. memory limit per test: 65536 KB input: standard output: standard The kingdom of Farland has N cities connected by M roads. Some roads are paved with stones, others are just country roads. Since paving the road…

最短路问题此类问题类型不多,变形较少 POJ 2449 Remmarguts' Date(中等)http://acm.pku.edu.cn/JudgeOnline/problem?id=2449题意:经典问题:K短路解法:dijkstra+A*(rec),方法很多相关:http://acm.pku.edu.cn/JudgeOnline/showcontest?contest_id=1144该题亦放在搜索推荐题中 POJ 3013 - Big Christmas Tree(基础)http://ac…

POJ图论分类[转] 一个很不错的图论分类,非常感谢原版的作者!!!在这里分享给大家,爱好图论的ACMer不寂寞了... (很抱歉没有找到此题集整理的原创作者,感谢知情的朋友给个原创链接) POJ:http://poj.org/ 1062* 昂贵的聘礼 枚举等级限制+dijkstra 1087* A Plug for UNIX 2分匹配 1094 Sorting It All Out floyd 或 拓扑 1112* Team Them Up! 2分图染色+DP 1125 Stockbroker…

Two shortest Time Limit: 500ms Memory Limit: 4096KB This problem will be judged on SGU. Original ID: 18564-bit integer IO format: %I64d      Java class name: Solution   Yesterday Vasya and Petya quarreled badly, and now they don't want to see each ot…

PIC10F200/202/204/206/220/222/320/322芯片解密程序复制多少钱? PIC10F单片机芯片解密型号: PIC10F200解密 | PIC10F202解密 | PIC10F204解密 | PIC10F206解密 PIC10F220解密 | PIC10F222解密 | PIC10F320解密 | PIC10F322解密 PIC10F200芯片介绍:#[微信:icpojie]# PIC10F200芯片是低成本.高性能.8位,fullystatic,基于flash的CMO…

poj   1251  Jungle Roads  (最小生成树) Link: http://poj.org/problem?id=1251 Jungle Roads Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 23507   Accepted: 11012 Description The Head Elder of the tropical island of Lagrishan has a problem. A b…

Jungle Roads Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7096    Accepted Submission(s): 5185 Problem Description The Head Elder of the tropical island of Lagrishan has a problem. A burst of…

Rebuilding Roads Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 11495   Accepted: 5276 Description The cows have reconstructed Farmer John's farm, with its N barns (1 <= N <= 150, number 1..N) after the terrible earthquake last May. Th…

F. Constructing Roads There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say two village A and B are connected, if and only if there is a road between A and…

206. Reverse Linked List Reverse a singly linked list. 翻转一个单链表. 代码如下: /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: ListNode* rever…