Graph matchings, König's theorem, vertex cover of bipartite graph
 
 
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1027F Submit  x478
1009G Submit  x225
981F Submit  x291
891D Submit  x50
852D Submit  x341
793G Submit  x65
739D Submit  x59
737E Submit  x25
618D Submit  x1092
590E Submit  x179
575C Submit  x132
498C Submit  x1483
491C Submit  x183
489B Submit  x12417
468E Submit  x60
468D Submit  x132
468B Submit  x2138
387D Submit  x406
353E Submit  x372
337A Submit  x22638
316C2 Submit  x381
290C Submit  x946
266B Submit  x23843
167D Submit  x111
166D Submit  x209
120H Submit  x712
103E Submit  x257
86B Submit  x245
21D Submit  x344