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Flow/Matching

Maximum User Solved Minimum User Solved Difficulty Easy to Hard Difficulty Hard to Easy LightOJ ID Ascending LightOJ ID Descending
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Bipartite Matching

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General Matching

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Hopcroft-Karp Bipartite Matching

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Max Flow/Min Cut

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Min Cost Max Flow

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Weighted Bipartite Matching/Hungarian Algorithm

Baker Vai
LOJ-1071
Medium
Solved by: 777
Success rate: 51.71%
Factors and Multiples
LOJ-1149
Medium
Solved by: 858
Success rate: 55.93%
Ghosts!
LOJ-1150
Medium Hard
Solved by: 349
Success rate: 47.29%
Hiding Gold
LOJ-1152
Medium Hard
Solved by: 464
Success rate: 64.95%
Internet Bandwidth
LOJ-1153
Medium
Solved by: 1130
Success rate: 57.79%
Penguins
LOJ-1154
Medium Hard
Solved by: 414
Success rate: 38.63%
Power Transmission
LOJ-1155
Medium Hard
Solved by: 675
Success rate: 43.47%
Jumping Frogs
LOJ-1156
Medium Hard
Solved by: 351
Success rate: 54.70%
Dangerous Tunnels
LOJ-1167
Hard
Solved by: 183
Success rate: 33.49%
Knights in Chessboard (II)
LOJ-1171
Hard
Solved by: 187
Success rate: 35.61%
Getting a T-shirt
LOJ-1176
Medium Hard
Solved by: 535
Success rate: 60.73%
Angry Programmer
LOJ-1177
Medium Hard
Solved by: 417
Success rate: 46.06%
Marriage Media
LOJ-1184
Medium Hard
Solved by: 682
Success rate: 56.70%
Karate Competition
LOJ-1198
Medium
Solved by: 1107
Success rate: 55.65%
A Perfect Murder
LOJ-1201
Medium
Solved by: 816
Success rate: 46.31%
Scheduling Taxi Cabs
LOJ-1206
Medium Hard
Solved by: 248
Success rate: 49.49%
Strange Voting
LOJ-1209
Medium Hard
Solved by: 269
Success rate: 41.23%
Multiple Free Subset
LOJ-1218
Hard
Solved by: 123
Success rate: 41.34%
Gift Packing
LOJ-1222
Medium Hard
Solved by: 332
Success rate: 66.77%
Cyber Cafe
LOJ-1237
Hard
Solved by: 186
Success rate: 52.20%
Similar Trees (II)
LOJ-1242
Hard
Solved by: 84
Success rate: 29.98%
Guardian Knights
LOJ-1243
Hard
Solved by: 144
Success rate: 65.09%
Diagonal Sum
LOJ-1262
Hard
Solved by: 226
Success rate: 38.35%
Space Shuttle Experiments
LOJ-1286
Hard
Solved by: 190
Success rate: 71.25%
The Great Merger
LOJ-1290
Hard
Solved by: 49
Success rate: 53.85%
The Best Contest Site Ever
LOJ-1304
Hard
Solved by: 98
Success rate: 53.02%
Binary Matrix
LOJ-1330
Hard
Solved by: 157
Success rate: 30.81%
Aladdin and the Grand Feast
LOJ-1350
Hard
Solved by: 51
Success rate: 18.03%
Prime Independence
LOJ-1356
Medium Hard
Solved by: 281
Success rate: 28.76%
Component Placement
LOJ-1361
Hard
Solved by: 121
Success rate: 68.91%
Pizza and Inner Peace
LOJ-1367
Hard
Solved by: 68
Success rate: 51.97%
Strongly Connected Chemicals
LOJ-1373
Hard
Solved by: 111
Success rate: 31.31%
Winger Trial
LOJ-1398
Hard
Solved by: 96
Success rate: 52.89%
Air Raid
LOJ-1403
Medium Hard
Solved by: 345
Success rate: 61.84%
Sending Secret Messages
LOJ-1404
Hard
Solved by: 182
Success rate: 71.07%
The Great Escape
LOJ-1405
Hard
Solved by: 194
Success rate: 41.37%
Rent a Car
LOJ-1409
Hard
Solved by: 75
Success rate: 36.34%
Assassin's Creed (II)
LOJ-1429
Hard
Solved by: 154
Success rate: 16.44%
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