Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
14:17:30
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Before contest
Codeforces Round 941 (Div. 2)
14:17:30
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flows

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Problems

#	Name
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x914
1913E	Matrix Problem flows, graphs	2400	x895
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x899
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x417
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x658
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1696
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x508
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x531
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x285
1510B	Button Lock flows, graph matchings, graphs	2600	x701
1473F	Strange Set flows, math	2700	x902
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1425
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x621
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x973
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x746
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x833
1252L	Road Construction flows, graphs	2300	x567
1198E	Rectangle Painting 2 flows, graph matchings, graphs	2500	x969
1187G	Gang Up flows, graphs	2500	x499
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x166
1146G	Zoning Restrictions dp, flows, graphs	2700	x790
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1638
1107F	Vasya and Endless Credits dp, flows, graph matchings, graphs, sortings	2600	x718
1090E	Horseback Riding flows, graphs	2300	x573
1082G	Petya and Graph flows, graphs	2400	x1919
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x532
1061E	Politics flows, graphs	2600	x510
1054F	Electric Scheme flows, graph matchings	2700	x305
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x317
1009G	Allowed Letters bitmasks, flows, graph matchings, graphs, greedy	2400	x767
976F	Minimal k-covering flows, graphs	2500	x561
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x509
884F	Anti-Palindromize flows, graphs, greedy	2500	x935
877F	Ann and Books data structures, flows, hashing	2300	x1603
847J	Students Initiation binary search, flows, graphs	2400	x612
818G	Four Melodies flows, graphs	2600	x624
813D	Two Melodies dp, flows	2600	x964
808F	Card Game binary search, flows, graphs	2400	x1067
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x1088
802C	Heidi and Library (hard) flows	2600	x528
720B	Cactusophobia dfs and similar, flows	2400	x391
717G	Underfail flows	2400	x619
628F	Bear and Fair Set flows, graphs	2500	x728
513F1	Scaygerboss flows	2700	x295
510E	Fox And Dinner flows	2300	x2139
491C	Deciphering flows, graph matchings	2300	x381
362E	Petya and Pipes flows, graphs, shortest paths	2300	x794
316C2	Tidying Up flows, graph matchings	2300	x615
311E	Biologist flows	2300	x1038
277E	Binary Tree on Plane flows, trees	2400	x1232
164C	Machine Programming flows, graphs	2400	x874
132E	Bits of merry old England flows, graphs	2700	x521
78E	Evacuation flows, graphs, shortest paths	2300	x525
62E	World Evil dp, flows	2700	x216