Problemset - Codeforces

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Codeforces Round #849 (Div. 4)
43:19:52
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graph matchings

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Problems

#	Name
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x561
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x250
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x964
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x2893
1765J	Hero to Zero graph matchings, math	2900	x91
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x465
1735E	House Planning constructive algorithms, data structures, graph matchings, greedy	2400	x882
1728F	Fishermen flows, graph matchings, greedy	3100	x218
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x272
1718D	Permutation for Burenka data structures, graph matchings, greedy, math, trees	3300	x182
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x401
1710E	Two Arrays binary search, games, graph matchings	2400	x374
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x444
1657E	Star MST combinatorics, dp, graph matchings, math	2200	x1481
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x401
1634E	Fair Share constructive algorithms, data structures, dfs and similar, graph matchings, graphs	2400	x1335
1630F	Making It Bipartite flows, graph matchings, graphs, number theory	3400	x299
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x20941
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x124
1611G	Robot and Candies data structures, graph matchings, greedy	2500	x523
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x370
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x1941
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x281
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x21307
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x479
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x39
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x238
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x7853
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x161
1510B	Button Lock flows, graph matchings, graphs	2600	x597
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2662
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x2972
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x8875
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1578
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x188
1404E	Bricks flows, graph matchings, graphs	2800	x836
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x841
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1298
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1366
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x27834
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x877
1284F	New Year and Social Network data structures, graph matchings, graphs, math, trees	3200	x257
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x511
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x1469
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x793
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x487
1179C	Serge and Dining Room binary search, data structures, graph matchings, greedy, implementation, math, trees	2200	x1675
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1261
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x628
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x488
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x348
1054F	Electric Scheme flows, graph matchings	2700	x274
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x257
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x1954
1027F	Session in BSU binary search, dfs and similar, dsu, graph matchings, graphs	2400	x1204
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x636
981F	Round Marriage binary search, graph matchings, greedy	2500	x554
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x145
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x772
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x234
739D	Recover a functional graph graph matchings	3400	x127
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x93
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1584
590E	Birthday graph matchings, strings	3200	x628
575C	Party bitmasks, brute force, graph matchings	2700	x188
498C	Array and Operations flows, graph matchings, number theory	2100	x2863
491C	Deciphering flows, graph matchings	2300	x321
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x37879
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x228
468D	Tree graph matchings	3100	x295
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3306
387D	George and Interesting Graph graph matchings	2200	x815
353E	Antichain dp, graph matchings, greedy	2200	x513
316C2	Tidying Up flows, graph matchings	2300	x552
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1392
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x101097
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x164
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x311
120H	Brevity is Soul of Wit graph matchings	1800	x1146
103E	Buying Sets flows, graph matchings	2900	x606
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x368
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x663