Graph matchings, König's theorem, vertex cover of bipartite graph
 
 
# Name   Solved Sort desc.
793G Submit  x40
739D Submit  x51
737E Submit  x20
618D Submit  x1000
590E Submit  x133
575C Submit  x118
498C Submit  x1257
491C Submit  x158
489B Submit  x8932
468E Submit  x29
468D Submit  x97
468B Submit  x1789
387D Submit  x353
353E Submit  x323
337A Submit  x16025
316C2 Submit  x341
290C Submit  x884
266B Submit  x16563
167D Submit  x95
166D Submit  x193
120H Submit  x642
103E Submit  x210
86B Submit  x234
21D Submit  x267