Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
2 days
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graph matchings

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Problems

#	Name
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x1016
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1160
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x616
1922F	Replace on Segment dp, graph matchings	2500	x1169
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3684
1906I	Contingency Plan 2 graph matchings	2900	x126
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x144
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x967
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x422
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1482
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3676
1765J	Hero to Zero graph matchings, math	2900	x187
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x666
1735E	House Planning constructive algorithms, data structures, graph matchings, greedy	2400	x1022
1728F	Fishermen flows, graph matchings, greedy	3100	x407
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x364
1718D	Permutation for Burenka data structures, graph matchings, greedy, math, trees	3300	x288
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x511
1710E	Two Arrays binary search, games, graph matchings	2400	x466
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x579
1657E	Star MST combinatorics, dp, graph matchings, math	2200	x1991
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x494
1634E	Fair Share constructive algorithms, data structures, dfs and similar, graph matchings, graphs	2400	x1598
1630F	Making It Bipartite flows, graph matchings, graphs, number theory	3400	x508
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24052
1615G	Maximum Adjacent Pairs constructive algorithms, graph matchings	3300	x147
1611G	Robot and Candies data structures, graph matchings, greedy	2500	x606
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x663
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2162
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x471
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23818
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x585
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x47
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x317
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9388
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x205
1510B	Button Lock flows, graph matchings, graphs	2600	x712
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x2938
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x3579
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10127
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1772
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x373
1404E	Bricks flows, graph matchings, graphs	2800	x1094
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x946
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1389
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1645
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31725
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x981
1284F	New Year and Social Network data structures, graph matchings, graphs, math, trees	3200	x309
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x749
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x1889
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x1151
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x566
1179C	Serge and Dining Room binary search, data structures, graph matchings, greedy, implementation, math, trees	2200	x1962
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1662
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x725
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x532
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1054F	Electric Scheme flows, graph matchings	2700	x306
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x320
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x2074
1027F	Session in BSU binary search, dfs and similar, dsu, graph matchings, graphs	2400	x1506
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x770
981F	Round Marriage binary search, graph matchings, greedy	2500	x674
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x169
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x955
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x358
739D	Recover a functional graph graph matchings	3400	x180
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x119
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1686
590E	Birthday graph matchings, strings	3200	x744
575C	Party bitmasks, brute force, graph matchings	2700	x211
498C	Array and Operations flows, graph matchings, number theory	2100	x3306
491C	Deciphering flows, graph matchings	2300	x401
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46653
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x308
468D	Tree graph matchings	3100	x355
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3948
387D	George and Interesting Graph graph matchings	2200	x959
353E	Antichain dp, graph matchings, greedy	2200	x569
316C2	Tidying Up flows, graph matchings	2300	x615
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1518
266B	Queue at the School constructive algorithms, graph matchings, implementation, shortest paths	800	x127158
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x190
166D	Shoe Store dp, graph matchings, greedy, sortings, two pointers	2500	x346
120H	Brevity is Soul of Wit graph matchings	1800	x1355
103E	Buying Sets flows, graph matchings	2900	x818
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x401
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x796