二分图的一大泼基础题

【HDU】
//1068 Girls and Boys 最大匹配★
//1150 Machine Schedule 最小点覆盖★
1151 Air Raid 最小路径覆盖★
//1179 Ollivanders 最大匹配★
1281 棋盘游戏 行列匹配+求关键点★★
1498 50 years, 50 colors 行列匹配★
1507 Uncle Tom‘s Inherited Land* 黑白染色+奇偶匹配(1X2的矩形覆盖)★
//1528 Card Game Cheater 最大匹配★
1845 Jimmy’s Assignment 最大匹配(HK算法)★
//2063 过山车 最大匹配★
2119 Matrix 行列匹配
2444 The Accomodation of Students 并查集分集合+最大匹配(好题!)★★
2768 Cat vs. Dog 最大独立集★★
3360 National Treasures 黑白染色+最小点覆盖★★
1045 Fire Net 行列匹配变形★★
1350 Taxi Cab Scheme 最小路径覆盖★
1960 Taxi Cab Scheme 最小路径覆盖★
3118 Arbiter 二分匹配本质(好题!)★★★
3729 I‘m Telling the Truth最大匹配+输出字典序最大的匹配情况★★
2389 Rain on your Parade 最大匹配(HK算法)★★
1054 Strategic Game 最小点覆盖★
2819 Swap 行列匹配+输出解★★
1669 Jamie‘s Contact Groups 二分+多重匹配★★
3605 Escape 多重匹配★
3861 The King’s Problem 强连通+最小路径覆盖★★
2236 无题II 二分+二分匹配★★
1083 Courses 最大匹配★
1526 A Plug for UNIX 最大匹配★
2458 Kindergarten 行列匹配★
4160 Dolls 最大匹配★
4185 Oil Skimming 黑白匹配★
2413 Against Mammoths 二分+二分匹配★★
3468 Treasure Hunting 最短路+二分匹配★★★
3517 Adopt or not 最大独立集★★★
3026 Chinese Chess 二分匹配必须边★★★
===============================================================================================
【POJ】
1087 A Plug for UNIX
1274 The Perfect Stall
1469 COURSES
1486 Sorting Slides 二分图的必须边
1548 Robots
1698 Alice‘s Chance
1719 Shooting Contest
2060 Taxi Cab Scheme 最小路径覆盖
2112 Optimal Milking 二分+多重匹配
2226 Muddy Fields 行列的覆盖
2239 Selecting Courses
2289 Jamie‘s Contact Groups 二分+多重匹配
2446 Chessboard
2536 Gopher II
2584 T-Shirt Gumbo
2594 Treasure Exploration 可相交最小路径覆盖
2672 Hotkeys
2724 Purifying Machine
3020 Antenna Placement
3041 Asteroids 简单行列匹配 
3189 Steady Cow Assignment 二分+多重匹配
3216 Repairing Company
3343 Against Mammoths
3692 Kindergarten
poj2771 最大独立集