图论题库

转载出处:http://blog.csdn.net/ffq5050139/article/details/7832991?

后边的数字是我统计时的A题人数,人数要比星号有意义的多

=============================以下是最小生成树+并查集======================================?

HDU?

1213 How Many Tables 基础并查集★?7737

1272 小希的迷宫 基础并查集★?9150

1325&&poj1308 Is It A Tree? 基础并查集★?3553

1856 More is better 基础并查集★?6073

1102 Constructing Roads 基础最小生成树★?5825

1232 畅通工程 基础并查集★17635?

1233 还是畅通工程 基础最小生成树★12673?

1863 畅通工程 基础最小生成树★?8014

1875 畅通工程再续 基础最小生成树★?5180

1879 继续畅通工程 基础最小生成树★?6602

3371 Connect the Cities 简单最小生成树★?3274

1301 Jungle Roads 基础最小生成树★?3471

1162 Eddys picture基础最小生成树★?3771

1198 Farm Irrigation 基础最小生成树★?2716

1598 find the most comfortable road 枚举+最小生成树★?1836

1811 Rank of Tetris 并查集+拓扑排序★★?1617

3926 Hand in Hand 同构图★?557

3938 Portal 离线+并查集★?495

2489 Minimal Ratio Tree dfs枚举组合情况+最小生成树★?839

4081 Qin Shi Huangs National Road System最小生成树+DFS????1450

4126 Genghis Khan the Conqueror 枚举+最小生成树+DFS()★★★★????482

1829&&poj2492 A BugsLife基础种类并查集★*?3227

1558 Segment set 计算几何+并查集★?1054

3461 Code Lock 并查集(有点难想到)?481

3367 Pseudoforest 最大生成树★?727

2473 Junk-Mail Filter 并查集+设立虚父节点(马甲)?2081

3172 Virtual Friends 带权并查集★?1594

3635 Dragon Balls 带权并查集★?1372

3047 Zjnu Stadium 带权并查集★?691

3038 How Many Answers Are Wrong 种类并查集★?1134

2818 Building Block 带权并查集★?1033

3234 Exclusive-OR 异或并查集()?660

2121 Ice_creams world II最小树形图(要输出根有点恶心)★★?740

4009 Transfer water 最小树形图(模板题)?1436

3311 Dig The Wells 斯坦纳树(状压DP)(模板题)★★?448

4085 Peach Blossom Spring 斯坦纳树(状压DP)(有可能是森林…)★★★?730

2586 How far away LCA?2408

2874 Connections between cities LCA?1517

3486 Interviewe RMQ?1353

2888 Check Corners 二维RMQ?706

3183 A Magic Lamp RMQ(有点难想到,有点难联系到RMQ)★★?738

POJ?

1258 最经典的MST?17284

1789 Truck History 最小生成树★?7624

1287 Networking 简单★?3555

2349 Arctic Network 简单★?3666

1611 The Suspects 并查集★?11760

2377 kruskal?4646

2524 Ubiquitous Religions 并查集★?12795

2236 Wireless Network 并查集+计算几何★?7327

2560 Kruskal 并查集★?3525

1861 Kruskal ?5511

3625 prim?2726

1679 - The Unique MST(基础)判断MST是否唯一★?7693

3522 - Slim Span(基础)求一颗生成树,让最大边最小边差值最小★?3553

2485 Highways MST中的最长边★?10808

2395 最小生成树的最长边★?4589

1751 Highways 求出方案★?2709

POJ-1182 食物链 种类并查集★?14080

POJ 1456 Supermarket 贪心+区间合并★?4110

POJ-1703 种类并查集★?10330

POJ-1988 种类并查集★?7050

POJ-1733 Parity game 种类并查集,先要离散化一下,不影响结果★?2585

POJ-1417 True Liars()并查集+DP种类并查集★★?633

POJ-2912 Rochambeau() baidu的题,很不错…是食物链的加强版.判断裁判比较难想.★★★?711

POJ 2728 Desert King(中等)最优比率生成树★?6005

POJ 1639 Picnic Planning(较难)顶点度数有限制的最小生成树★★?3385

POJ 3164 Command Network()最小树形图★★?3976

poj3723 好题!!!最大生成树★?2934

poj3228 好好题!!!网络流/并查集★1072

ZOJ?

ZOJ-3261 逆向并查集 ★★

===============================以下是最短路系列====================================?

HDU?

1548 A strange lift 基础最短路(bfs)?5074

2544 最短路 基础最短路★15642?

3790 最短路径问题 基础最短路★4464?

2066 一个人的旅行 基础最短路(多源多汇,可以建立超级源点和终点)7355?

2112 HDU Today 基础最短路★3906?

1874 畅通工程续 基础最短路★11584?

1217 Arbitrage 货币交换 Floyd (或者 Bellman-Ford判环)?2287

1245 Saving James Bond 计算几何+最短路★?447

1317 XYZZY Bellman-Ford判环,有负权★?825

1535 Invitation Cards 有向图的来回最短路,(反向建图)?1125

1546 Idiomatic Phrases Game 最短路★?732

2680 Choose the best route 最短路★?2655

2923 Einbahnstrasse 最短路★?692

3339 In Action 最短路+背包★?1403

2224 The shortest path 双调旅行商问题★★450?

2807 The Shortest Path 矩阵运算+最短路(floyd)?827

1595 find the longest of the shortest枚举+最短路(删掉任意一条边的最长最短路)?713

3986 Harry Potter and the Final Battle枚举+最短路(删掉任意一条边的最长最短路)?755

1599 find the mincost route floyd求最小环★?1122

1839 Delay Constrained… 二分下限+最短路(带限制最短路)?388

3631 Shortest Path Floyd插点法★?1001

4114 Disneys FastPass最短路+三维维状压DP()★★★?532

3832 Earth Hour 三点连通(斯坦纳树)?655

3873 Invade the Mars Dij变体(好题!,带限制最短路)★★?440

4063 Aircraft 几何构图+最短路★★★★?276

4179 Difficult Routes dis[][]开二维状态的最短路(带限制最短路)★★★?150

1869 六度分离 Floyd最短路★?2009

1385 Minimum Transport Cost 最短路+输出路径(输出字典序最小路径,有点恶心)?2075

1224 free DIY Tour 最短路+输出路径★?1419

1142 A Walk Through the Forest 最短路+记忆搜索★?2268

1596 find the safest road 乘积最小的最短路★?2701

1598 find the most comfortable road 二分速度差+最短路(带限制最短路)?1835

2722 Here We Go(relians) Again 最短路★★?377

2962 Trucking 二分+最短路(带限制最短路)★★?671

1690 Bus System 最短路★?1835

2433 Travel 删边+最短路之和(预处理桥边)★★?608

2363 Cycling 二分+最短路(带限制最短路)★★?357

2377 Bus Pass 最短路(寻找一个点的最长最短路最小)★★★?293

2833 WuKong 最短路+记忆化搜索(求两条最短路的最多公共点)★★?503

1688 Sightseeing 最短次短路条数★★★?280

3191 How Many Paths Are There 次短路条数★★?391

2482 Transit search 最短路★★★?287

3768 Shopping 最短路+dfs(或最短路+状压DP)★★★?188

3035 War 平面图最小割(建图麻烦)★★?330

3870 Catch the Theves 平面图最小割(建图麻烦)★★?450

3860 Circuit Board 平面图最小割(建图麻烦)★★★?108

POJ?

1062 昂贵的聘礼 竟然可以和最短路联系起来★?11139

1094 Sorting It All Out Floyd判环+拓扑排序★?9952

1125 Stockbroker Grapevine Floyd?15637

1135 Domino Effect 最短路,比较有意思★★?2313

1161 Walls 最短路(图太恶心了)★★?3678

1502 MPI Maelstrom Floyd?3625

1511 Invitation Cards 来回最短路★?6688

1556 The Doors 计算几何+最短路★★?2640

1724 ROADS 带限制的最短路,dis[][]开二维来记录信息(或广搜)★★?4156

1734 Sightseeing trip floyd最小环路径★?1941

1797 Heavy Transportation 二分枚举+最短路★?5749

1847 Tram 简单最短路★?3905

1860 Currency Exchange 货币兑换★?7650

1949 Chores 反向建边,求最长路★★?2487

2139 Six Degrees of Cowvin Bacon Floyd?1512

2240 Arbitrage 货币兑换★?6979

2253 Frogger 二分+最短路★?8930

2312 坦克大战 spfa最短路本质变形–>广搜★?2395

2387 Til the Cows Come Home 基础最短路★?10749

2394 Checking an Alibi 最短路★?2297

2449 Remmarguts Date A*求第K短路★★?6024

2457 Part Acquisition 最短路 (输出路径)★★?1634

2472 106 miles to Chicago 乘积最短路(log一下,乘变加)★★?1925

2502 Subway?2161

2570 Fiber Network floyd?1454

3013 圣诞树?4589

3037 Skiing?1113

3072 Robot?562

3114 Countries in War 强联通+最短路?801

3160 Father Christmas flymouse 强联通+最长路?916

3255 Roadblock?2986

3259 Wormholes (寻找负权回路)?11999

3268 Silver Cow Part?6071

3311 Hie with the Pie floyd+状压?2674

3328 Cliff Climbing?706

3439 Server Relocation?869

3463 Sightseeing 次短路条数?2621

3159?6464 spfaqueuetle

3521 Geometric Map 计算几何+最短路?140

3549 GSM phone 计算几何+最短路?49

3594 Escort of Dr. Who How?546

3613 Cow Relays 经过N条边的最短路// floyd +二分矩阵?2206

3615 Cow Hurdles?2768

3621 最优比率环?2703

3635 full tank??2168

3660 传递闭包?4073

3662 Telephone Lines?1838

============================以下是差分约束系列============================?

HDU?

1384 Intervals?1122

1529 Cashier Employment?385

1531 King?513

1534 Schedule Problem?601

3440 House Man?850

3592 World Exhibition?632

3666 THE MATRIX PROBLEM?1852

POJ?

1201?8446

1275?2663

1364?3879

1716?5460

2949?1546

2983?3614

3159?6468

3169?3715

3687?3246

============================以下是二分匹配系列============================?

普通匹配,多重匹配?

HDU?

1068  Girls andBoys3703

 1150  Machine Schedule3173

 1151  Air Raid2373

 1179  Ollivanders: Makers of Fine Wands since 382BC.★★562

 1281  棋盘游戏★1557

1498  50 years,50 colors51

 1507  Uncle Tom's Inherited Land*849

 1528  Card Game Cheater731

 1845  Jimmys Assignment★★431

 2063  过山车★5502

2119  Matrix932

 2444  The Accomodation of Students1369

 2768  Cat vs. Dog633

3081  MarriageMatch II810

 3360  National Treasures★★385

 1045  也可搜索★3974

1350  最小路径覆盖★385

3118  类似二分匹配★437

3729711

 2389911

 10542484

 2819  完全匹配★★105

1668   二分+多重匹配★★★50

3605  多重匹配+读入优化★1402

3861  强连通+二分匹配★★665

2236  无题II★★520

3468385

4185 奇偶匹配★466

POJ?

1087 A Plug for UNIX?4756

1274 The Perfect Stall?8815

1469 COURSES?7227

1486 Sorting Slides 二分图的必须边?1377

1548 Robots?1802

1698 Alices Chance?2382

1719 Shooting Contest?1453

1904 Kings Quest求二分图所有可能的匹配边?2751

2060 Taxi Cab Scheme 最小路径覆盖?2498

2112 Optimal Milking 二分+多重匹配?4691

2226 Muddy Fields 行列的覆盖?3167

2239 Selecting Courses?3946

2289 Jamies Contact Groups二分+多重匹配?2161

2446 Chessboard?4444

2536 Gopher II?2861

2584 T-Shirt Gumbo?1295

2594 Treasure Exploration 可相交最小路径覆盖?2836

2672 Hotkeys?286

2724 Purifying Machine?1269

3020 Antenna Placement?3463

3041 Asteroids 简单行列匹配?8800

3189 Steady Cow Assignment 二分+多重匹配?1919

3207 Ikkis Story IV - Pandas Trick?3061

3216 Repairing Company?1728

3343 Against Mammoths?559

3692 Kindergarten?2670

2771 最大独立集?2137

============================以下是KM算法系列============================?

HDU?

2255  奔小康赚大钱★1896

1533  Going Home1578

 1853  Cyclic Tour901

 3488  Tour1041

 3435  A new Graph Game756

 2426  Interesting Housing Problem939

 2853  Assignment★★526

 3718  Similarity★★610

 3722  Card Game★★584

 3395  Special Fish★★652

 2282  Chocolate★★★242

 2813  One fihgt one749

 2448  Mining Station on the Sea716

 3315  My Brute★★★346

 3523  Image copy detection★★★195

POJ?

2195 Going Home 最小权值匹配?9521

2400 Supervisor, Supervisee 输出所有最小权匹配?690

2516 Minimum Cost 最小权值匹配或最小费用流?4837

3565 Ants?1418

3686 The Windys最小权值匹配1814

============================以下是最大团&稳定婚姻系列============================?

HDU?

1530 Maximum Clique?1556

1435 Stable Match?121

3585 maximum shortest distance 二分+最大团?365

1522 Marriage is Stable?370

1914 The Stable Marriage Problem?246

POJ?

1129 四色定理 着色问题?6555

1419 最大独立集?1970

2989 极大团?580

3487 The Stable Marriage Problem 稳定婚姻?1056

 

============================以下是强双联通系列============================?

HDU?

强连通:?

1269 迷宫城堡 判断是否是一个强连通?3777

2767 Proving Equivalences 至少加几条边让整个图变成强连通?1291

3836 Equivalent Sets 至少加几条边让整个图变成强连通?1091

1827 Summer Holiday 传递的最小费用?844

3072 Intelligence System 传递的最小费用?681

3861 The Kings Problem强连通+二分匹配?665

3639 Hawk-and-Chicken 强连通缩点 +树形dp(累加子节点的总权值)?597

3594 Cactus 仙人掌图?659

双连通:?

2242 考研路茫茫——空调教室 双联通缩点+树形DP?666

2460 Network 边双连通?190

3849 By Recognizing These Guys, We Find SocialNetworks Useful双连通求桥?659

3896 Greatest TC 双连通?166

4005 The war 边双连通?478

LCA:?

2586 How far away ?2446

2874 Connections between cities?1530

3078 Network LCA+排序?207

3830 Checkers 二分+LCA?227

POJ?

强连通:?

1236 Network of Schools?4767

2553 The Bottom of a Graph 好题! 找出度为0的集合?3795

2186 Popular Cows 好题! 找出度为0的,其他分量都指向它的集合?10014

2375 Cow Ski Area 强连通?705

2762 Going from u to v or from v to u?缩点+拓扑排序?3959

3160 Father Christmas flymouse 强连通+最短路?920

3180 The Cow Prom 判断有几个环, 分量中元素大于1的个数?798

3114 Countries in War 强连通+最短路?830

3592 Instantaneous Transference 强连通分量+最长路?1304

1904 Kings Quest强连通+并查集2755

双连通:?

3694 Network 边双连通 (hdu2460)?2551

3177 Redundant Paths 构造边双连通?4251

3352 Road Construction 构造边双连通?4638

2942 Knights of the Round Table (点双连通经典题)?3396

1515 Street Directions (无向图改有向图)?393

1438 One-way Traffic (混合图改有向图)?253

LCA:?

1330 Nearest Common Ancestors?10602

1470 Closest Common Ancestors?5226

1986 Distance Queries?3458

3417 Network?1156

3728 The merchant LCA+并查集,更新询问?1128

2763 Housewife Wind LCA+树状数组?1682

============================以下是2-SAT系列============================?

HDU?

3062 Party?1509

1824 Lets go home?601

3622 Bomb Game?1439

3715 Go Deeper?755

1815 Building roads?246

2723 Get Luffy Out?80

1816 Get Luffy Out *?231

1814 Peaceful Commission?641

4115 Eliminate the Conflict797

POJ?

2296 Map Labeler?572

2723 Get Luffy Out?2953

2749 Building roads?2204

3207 Ikkis Story IV - Pandas Trick?3064

3648 Wedding?2604

3678 Katu Puzzle?2994

3683 Priest Johns Busiest Day?2882

3905 Perfect Election?414

============================以下是欧拉回路系列============================?

HDU?

1878 欧拉回路 判断?3660

3018 Ant Trip 一笔画问题?690

1116?1975

2894 兹鼓欧拉回路?338

1956?139

3472 混合欧拉?382

POJ?

2513 欧拉路?8374

1041 Johns trip欧拉回路?2510

1386 Play on Words 单词接龙?3490

2230 Watchcow 欧拉回路?2693

2513 Colored Sticks 无向图欧拉路?8374

2337 Catenyms 欧拉路径?2611

1392 Ouroboros Snake 兹鼓欧拉回路?500

1780 code?789

1637 混合欧拉?3357

zoj?

1992?

============================以下是拓扑排序系列============================?

HDU?

1285 确定比赛名次?5614

2094 产生冠军?4731

2647 Reward?1388

3342 Legal or Not?2293

1811 Rank of Tetris 拓扑+并查集?1622

3231 三维拓扑?380

POJ?

1094 Sorting It All Out Floyd+拓扑?9965

2367 Genealogical tree?2155

3660 Cow Contest?4113

3687 Labeling Balls 神奇的拓扑?3253

1128 Frame Stacking DFS版拓扑?1483

1270 Following Orders 拓扑+回溯?1588

1420 Spreadsheet 模拟拓扑?285

2762 Going from u to v or from v to u?强连通+拓扑?3959

3553 Task schedule?191

============================以下是竞赛图系列============================?

竞赛图下的哈密顿问题?

Strange Country II ZOJ-3332?

Task Sequences POJ-1776?

The book SGU-122?

Tour Route POJ-3780?

Tour Route HDOJ-3414?

============================以下是网络流系列============================?

HDU

1532 Drainage Ditches(基础) [最大流]?4915

3549 Flow Problem(基础) [最大流]?4243

3572 Task Schedule [最大流]任务分配,判断满流?1463

2732 Leapin Lizards() [最大流]?568★★

3338 Kakuro Extension [最大流][数和]神奇最大流行进列出?364★★

2883 kebab [最大流]判断满流?434★★

3605 Escape [最大流](多重匹配?1400

3081 Marriage Match II [二分最大流]+并查集?807

3277 Marriage Match III [二分最大流]同上,多了拆点?444

3416 Marriage Match IV [最大流]最短路+最大流?672

2485 Destroying the bus stations [最大流]最短路+最大流?725

3468 Treasure Hunting?最大流+最短路?384★★

3551 Hard Problem [最大流]?144★★

3998 Sequence() [DP+最大流]最长上升子序列?578

3917 Road constructions [最大权闭包]?463★★

3879 Base Station [最大权闭包]?821

3061 Battle [最大权闭包]?453★★

3996 Gold Mine [最大权闭包]?492★★

3472 HS BDC [混合欧拉]381★★

hdu4183 来回走不重复点的网络流.244★★

1533 Going Home(基础) [费用流]?1569

3488 Tour [费用流]?1013

3435 A new Graph Game [费用流]?755

1853 Cyclic Tour [费用流]?900

2686 Matrix [费用流]?978

3376 Matrix Again [费用流]?907

3667 Transportation [费用流]拆边?935

3315 My Brute?费用流?345★★

3395 Special Fish?费用流?647

2448 Mining Station on the Sea?费用流?748

4067 Random Maze() [费用流]?496★★

3947 River Problem() [费用流]神奇费用流,流量不等式建图?205★★

3046 Pleasant sheep and big big wolf [最小割]?957

1565 方格取数(1) [最小割]?2297

1569 方格取数(2) [最小割]?1578

3820 Golden Eggs [最小割]方格加强?255★★

3491 Thieves [最小割]最小点割集?625

3657 Game [最小割]最大点权独立集?423★★   

3313 Key Vertex [最小割]?290★★

3251 Being a Hero [最小割]?366★★

3157 Crazy Circuits [上下流]?298★★

3002 King of Destruction [全局最小割]?420★★

3691 Nubulsa Expo [全局最小割]?379★★

POJ?

1087 A Plug for UNIX?最大流? 4756

1274 The Perfect Stall?最大流?8815

1325 Machine Schedule?最大流?5238

1698 Alices Chance?最大流?2381

2239 Selecting Courses?最大流?3942

2446 Chessboard?最大流?好题啊?4443

2536 Gopher II?最大流?2861

2771 Guardian of Decency [最大流]二分匹配最大独立集?2137

3041 Asteroids?最大流?8800

2584 T-Shirt Gumbo?最大流?1295

3189 Steady Cow Assignment(中等)?二分最大流?1919

1149 PIGS [最大流]绝对经典的构图题?7866

1273 Drainage Ditches?最大流?22672

1459 Power Network(基础) [最大流]?12520

3281 Dining [最大流]?4659

2112 Optimal Milking(基础) [二分最大流]?4691

2289 Jamies Contact Groups [二分最大流]?2161

2391 Ombrophobic Bovines(中等) [二分最大流]?3434

2455 Secret Milking Machine(基础) [二分最大流]?2991

3228 Gold Transportation?二分最大流?1072

2699 The Maximum Number of Strong Kings(较难) [枚举人数 +最大流]?790

3498 March of the Penguins(中等) [最大流]枚举汇点,满足点容量限制的网络流?1969

2987 Firing(较难) [最大权闭包]?2589

1637 Sightseeing tour(Crazy) [混合欧拉]?3346

2135 Farm Tour [费用流] (来回最短路)?3158

2175 Evacuation Plan(中等) [费用流]消圈?970

2195 Going Home [费用流]?9521

2516 Minimum Cost [费用流]?4837

3422 Kakas Matrix Travels(中等) [费用流]拆点?3312

3680 Intervals(较难) [费用流]经典,费用流+离散化?2791

3686 The Windys?费用流?1814

3762 The Bonus Salary! [费用流]?635

1815 Friendship(中等) [最小割]最小点割集?2644

1966 Cable TV Network(中等) [最小割]最小点割集?1889

2125 Destroying The Graph() [最小割]最小点权覆盖?2370

3084 Panic Room(中等,好题) [最小割]边连通度?991

3204 Ikkis Story I - Road Reconstruction(基础) [最小割]求关键边?2034

3308 Paratroopers(较难) [最小割]乘积取对数,最小点权覆盖?2281

3436 ACM Computer Factory [最小割]收集流,残留搜集找边?1910

3469 Dual Core CPU(中等) [最小割]收集流?8598

3921 Destroying the bus stations [最小割]点连通?613

2396 Budget(中等) [有源汇的上下界可行流]?2362

3155 Hard Life(很挑战一题) [最大密度子图]?2097

2914 Minimum Cut [无向图最小割]?3361

============================以下是dancing links系列============================?

ZOJ

ZOJ-3209 Treasure Map?

ZOJ-3038Triangle War II ?

POJ

POJ-1084 Square Destroyer ?1431

POJ-2676 Sudoku ?7584

POJ-3074 Sudoku ?3177

POJ-3076 Sudoku ?2221

POJ-3740 Easy Finding ?4635

POJ-3435 Sudoku Checker?772

 

HDU

HDOJ-4069 Squiggly Sudoku ?646

HDOJ-3498 whosyourdaddy ?746

HDOJ-2295 Radar ?1110

HDOJ-3529 Bomberman - Just Search! ?351

HDOJ-3656 Fire station ?491

HDOJ-3663 Power Stations ?552

HDOJ-2828 Lamp ?275

HDOJ-3156 Repair Depots ?155

HDOJ-2518 Dominoes ?60

HDOJ-3957 Street Fighter ?464

HDOJ-1426 Sudoku Killer ?94

HDOJ-2780 Su-Su-Sudoku ?237

HDOJ-3111 Sudoku ?266

HDOJ-3909 Sudoku ?229

HDOJ-1603 A Puzzling Problem ?91

 

hust1017 精确覆盖。?

fzu1686,nuaa1507 重复覆盖。?

hit2199,2882,2959 精确覆盖(数独)?

SPOJ1771 精确覆盖(N皇后问题)?

 

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