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HDU:1878 欧拉回路(并查集+欧拉回路)
并查集 + 欧拉Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64uSubmit StatusDescription欧拉回路是指不令笔离开纸面,可画过图中每条边仅一次,且可以回到起点的一条回路。现给定一个图,问是否存在欧拉回路? Inp原创 2016-04-01 21:41:59 · 1648 阅读 · 1 评论 -
51nod:1384 全排列(dfs||c++函数)
1384 全排列基准时间限制:1 秒 空间限制:131072 KB 分值: 0 难度:基础题 收藏 关注给出一个字符串S(可能又重复的字符),按照字典序从小到大,输出S包括的字符组成的所有排列。例如:S = "1312",输出为:11231132121312311312132121132131原创 2017-02-23 18:08:01 · 732 阅读 · 0 评论 -
Codeforces 510B:Fox And Two Dots(DFS变形+技巧)
B. Fox And Two Dotstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputFox Ciel is playing a mobile puzzle gam原创 2016-08-14 23:58:03 · 427 阅读 · 0 评论 -
畅通工程续
畅通工程续Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 41494 Accepted Submission(s): 15322Problem Description某省自从实行了很多年的畅通工原创 2016-04-07 18:00:15 · 441 阅读 · 0 评论 -
HDU:1242 Rescue(BFS+优先队列)
RescueTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24332 Accepted Submission(s): 8587Problem DescriptionAngel was caught b原创 2016-04-08 17:25:08 · 385 阅读 · 0 评论 -
UVA:11624 Fire!(双BFS+打表)
题目地址:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2671(这个题目是pdf格式的,不能直接复制下来)题目大意:一个人在迷宫里,里面失火了,那个火苗每秒会向四周蔓延,当这个人到达迷宫边界的时候就能逃脱迷宫了,问这个人能否逃出迷宫,逃出用时多久。原创 2016-07-30 01:00:41 · 550 阅读 · 0 评论 -
HDU:2612 Find a way(双BFS+打表)
Find a wayTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10413 Accepted Submission(s): 3413Problem DescriptionPass a year le原创 2016-07-30 00:48:15 · 2054 阅读 · 1 评论 -
HDU:2717 Catch That Cow(广搜)
Catch That CowTime Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12317 Accepted Submission(s): 3828Problem DescriptionFarmer Joh原创 2016-07-30 00:36:50 · 287 阅读 · 0 评论 -
POJ:1321 棋盘问题(深搜DFS)
棋盘问题Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 35490Accepted: 17483Description在一个给定形状的棋盘(形状可能是不规则的)上面摆放棋子,棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者原创 2016-07-30 00:15:28 · 412 阅读 · 0 评论 -
HDU:2553 N皇后问题(深搜)
N皇后问题Time Limit: 2000/1000 MS(Java/Others) Memory Limit: 32768/32768 K (Java/Others)TotalSubmission(s): 18302 Accepted Submission(s): 8278ProblemDescription在N*N的方格棋盘放置了N个皇后,使得它们不相互原创 2016-07-30 00:05:41 · 5873 阅读 · 0 评论 -
POJ:2251 Dungeon Master(广搜)
Dungeon MasterTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 26419Accepted: 10285DescriptionYou are trapped in a 3D dungeon and need to find t原创 2016-07-30 00:03:20 · 384 阅读 · 0 评论 -
HDU:1241 Oil Deposits(深搜)
Oil DepositsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24576 Accepted Submission(s): 14113Problem DescriptionThe GeoSurv原创 2016-07-29 00:08:12 · 353 阅读 · 0 评论 -
POJ:3620 Avoid The Lakes(深搜DFS)
Avoid The LakesTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 7949 Accepted: 4180DescriptionFarmer John's farm was flooded in the most recent storm, a原创 2016-07-29 00:03:28 · 505 阅读 · 0 评论 -
HDU:1181 变形课(深搜+小技巧?)
变形课Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 21542 Accepted Submission(s): 7778Problem Description呃......变形课上Harry碰到了一原创 2016-07-29 00:02:50 · 462 阅读 · 1 评论 -
HDU:最短路(单源最短路径Dijistra)
最短路Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 49447 Accepted Submission(s): 21763Problem Description 在每年的校赛里,所有进入决赛的同学都会获得一件很漂亮的t-shir原创 2016-04-07 17:52:02 · 825 阅读 · 0 评论 -
Codeforces 100187E:Two Labyrinths(搜索&&BFS)
E. Two Labyrinthstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA labyrinth is the rectangular grid, each of the ce原创 2017-03-20 10:40:08 · 482 阅读 · 0 评论