Problemset - Codeforces

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Problems

#	Name
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x115
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1355
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x111
1852F	Panda Meetups data structures, dp, flows	3500	x85
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x16097
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x817
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x376
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3479
1766F	MCF flows	2800	x227
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x612
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1583
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x86
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1292
1728F	Fishermen flows, graph matchings, greedy	3100	x345
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x333
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x477
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x500
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x13682
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x524
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x263
1666K	Kingdom Partition flows	3200	x154
1662J	Training Camp flows, graphs		x114
1630F	Making It Bipartite flows, graph matchings, graphs, number theory	3400	x439
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x23055
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x280
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x522
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x391
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23145
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x43
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x8653
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x303
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x8921
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x337
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x379
1510B	Button Lock flows, graph matchings, graphs	2600	x669
1488I	Demonic Invasion *special problem, flows	3100	x28
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2681
1473F	Strange Set flows, math	2700	x841
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1388
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x9773
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x9702
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x564
1427G	One Billion Shades of Grey flows, graphs	3300	x206
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x6996
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1686
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x235
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x313
1404E	Bricks flows, graph matchings, graphs	2800	x1003
1383F	Special Edges flows, graphs	3200	x229
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x287
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x954
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x387
1288F	Red-Blue Graph constructive algorithms, flows	2900	x404
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x661
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x804
1252L	Road Construction flows, graphs	2300	x546
1250K	Projectors flows, graphs	3100	x129
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x4787
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x869
1187G	Gang Up flows, graphs	2500	x460
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x159
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x515
1178H	Stock Exchange binary search, flows, graphs	3500	x153
1146G	Zoning Restrictions dp, flows, graphs	2700	x745
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1471
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x9247
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x690
1090E	Horseback Riding flows, graphs	2300	x552
1082G	Petya and Graph flows, graphs	2400	x1782
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x511
1061E	Politics flows, graphs	2600	x495
1054F	Electric Scheme flows, graph matchings	2700	x297
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x298
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x2049
1023G	Pisces data structures, flows, trees	3400	x106
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4307
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x695
976F	Minimal k-covering flows, graphs	2500	x531
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x2868
925F	Parametric Circulation binary search, flows	3100	x89
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x469
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x2605
884F	Anti-Palindromize flows, graphs, greedy	2500	x805
877F	Ann and Books data structures, flows, hashing	2300	x1433
863F	Almost Permutation flows	2200	x1121
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x861
848D	Shake It! combinatorics, dp, flows, graphs	2900	x337
847J	Students Initiation binary search, flows, graphs	2400	x584
843E	Maximum Flow flows, graphs	3000	x206
818G	Four Melodies flows, graphs	2600	x567
813D	Two Melodies dp, flows	2600	x910
808F	Card Game binary search, flows, graphs	2400	x972
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x692
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x957
802C	Heidi and Library (hard) flows	2600	x501
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x288
786E	ALT data structures, flows, graphs, trees	3200	x549
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x1878
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x171
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1688

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