Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
15:52:07
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Problems

#	Name
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x5364
1965F	Conference data structures, flows	3300	x165
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x1213
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x75
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x90
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3463
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x820
1913E	Matrix Problem flows, graphs	2400	x997
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x191
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1664
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x203
1852F	Panda Meetups data structures, dp, flows	3500	x106
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17389
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x1011
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x461
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x3818
1766F	MCF flows	2800	x268
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x695
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1880
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x96
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1489
1728F	Fishermen flows, graph matchings, greedy	3100	x428
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x399
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x527
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x548
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14832
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x610
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x312
1666K	Kingdom Partition flows	3200	x244
1662J	Training Camp flows, graphs		x230
1630F	Making It Bipartite flows, graph matchings, graphs, number theory	3400	x568
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24785
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x326
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x721
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x501
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24309
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x52
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x9169
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x328
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9731
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x413
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x492
1510B	Button Lock flows, graph matchings, graphs	2600	x741
1488I	Demonic Invasion *special problem, flows	3100	x37
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2892
1473F	Strange Set flows, math	2700	x952
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1516
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x10428
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10455
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x701
1427G	One Billion Shades of Grey flows, graphs	3300	x345
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x7399
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1806
1416F	Showing Off flows, graph matchings, greedy, implementation	3300	x461
1408H	Rainbow Triples binary search, data structures, flows, greedy	3300	x399
1404E	Bricks flows, graph matchings, graphs	2800	x1232
1383F	Special Edges flows, graphs	3200	x359
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x349
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1196
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x500
1288F	Red-Blue Graph constructive algorithms, flows	2900	x512
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x804
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x872
1252L	Road Construction flows, graphs	2300	x580
1250K	Projectors flows, graphs	3100	x202
1214D	Treasure Island dfs and similar, dp, flows, hashing	1900	x5157
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x1176
1187G	Gang Up flows, graphs	2500	x565
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x173
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x572
1178H	Stock Exchange binary search, flows, graphs	3500	x230
1146G	Zoning Restrictions dp, flows, graphs	2700	x820
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1803
1119B	Alyona and a Narrow Fridge binary search, flows, greedy, sortings	1300	x10908
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x763
1090E	Horseback Riding flows, graphs	2300	x588
1082G	Petya and Graph flows, graphs	2400	x2085
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x725
1061E	Politics flows, graphs	2600	x527
1054F	Electric Scheme flows, graph matchings	2700	x314
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x534
1034B	Little C Loves 3 II brute force, constructive algorithms, flows, graph matchings	2200	x2135
1023G	Pisces data structures, flows, trees	3400	x117
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4676
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x819
976F	Minimal k-covering flows, graphs	2500	x575
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3071
925F	Parametric Circulation binary search, flows	3100	x112
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x529
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3020
884F	Anti-Palindromize flows, graphs, greedy	2500	x1056
877F	Ann and Books data structures, flows, hashing	2300	x1780
863F	Almost Permutation flows	2200	x1239
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x986
848D	Shake It! combinatorics, dp, flows, graphs	2900	x382
847J	Students Initiation binary search, flows, graphs	2400	x628
843E	Maximum Flow flows, graphs	3000	x318
818G	Four Melodies flows, graphs	2600	x735
813D	Two Melodies dp, flows	2600	x1022
808F	Card Game binary search, flows, graphs	2400	x1164

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