Problemset - Codeforces

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Before contest
Codeforces Round (Div. 1)
3 weeks

Before contest
Codeforces Round (Div. 2)
3 weeks

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Difficulty: —

dfs and similar

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Problems

#	Name
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x341
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1005
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1282
73D	FreeDiv dfs and similar, graphs, greedy	2200	x638
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x93
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x429
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x759
62D	Wormhouse dfs and similar, graphs	2300	x363
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6532
60C	Mushroom Strife brute force, dfs and similar	2100	x565
60B	Serial Time! dfs and similar, dsu	1400	x4581
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2900
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x609
42E	Baldman and the military dfs and similar, graphs, trees	2700	x203
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6790
34D	Road Map dfs and similar, graphs	1600	x5131
31D	Chocolate dfs and similar, implementation	2000	x1040
29D	Ant on the Tree constructive algorithms, dfs and similar, trees	2000	x2449
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4890
28B	pSort dfs and similar, dsu, graphs	1600	x4628
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2507
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5343
22E	Scheme dfs and similar, graphs, trees	2300	x1627
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x1827
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4745
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4507
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1036

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