Graph matchings, König's theorem, vertex cover of bipartite graph
 
 
# Name   Solved Sort desc.
891D Submit  x23
852D Submit  x302
793G Submit  x50
739D Submit  x51
737E Submit  x21
618D Submit  x1023
590E Submit  x151
575C Submit  x119
498C Submit  x1315
491C Submit  x161
489B Submit  x9884
468E Submit  x29
468D Submit  x107
468B Submit  x1886
387D Submit  x361
353E Submit  x347
337A Submit  x17767
316C2 Submit  x346
290C Submit  x890
266B Submit  x18470
167D Submit  x97
166D Submit  x198
120H Submit  x652
103E Submit  x213
86B Submit  x234
21D Submit  x274