Graph matchings, König's theorem, vertex cover of bipartite graph
 
 
# Name   Solved Sort desc.
891D Submit  x45
852D Submit  x314
793G Submit  x56
739D Submit  x53
737E Submit  x22
618D Submit  x1046
590E Submit  x153
575C Submit  x121
498C Submit  x1348
491C Submit  x163
489B Submit  x10587
468E Submit  x35
468D Submit  x110
468B Submit  x1956
387D Submit  x368
353E Submit  x352
337A Submit  x19145
316C2 Submit  x355
290C Submit  x897
266B Submit  x19912
167D Submit  x98
166D Submit  x201
120H Submit  x659
103E Submit  x228
86B Submit  x234
21D Submit  x284