Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
94B	Friends graphs, implementation, math	1300	x4583
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x264
91C	Ski Base combinatorics, dsu, graphs	2300	x868
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x514
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x868
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x944
83C	Track graphs, greedy, shortest paths	2400	x409
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x333
78E	Evacuation flows, graphs, shortest paths	2300	x532
76A	Gift dsu, graphs, sortings, trees	2200	x1556
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1273
73D	FreeDiv dfs and similar, graphs, greedy	2200	x632
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2093
62D	Wormhouse dfs and similar, graphs	2300	x351
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6417
59E	Shortest Path graphs, shortest paths	2000	x3284
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x556
51E	Pentagon combinatorics, graphs, matrices	2400	x400
48E	Ivan the Fool VS Gorynych the Dragon dp, games, graphs	2100	x571
46F	Hercule Poirot Problem dsu, graphs	2300	x321
45H	Road Problem graphs	2100	x180
44F	BerPaint geometry, graphs	2700	x66
42E	Baldman and the military dfs and similar, graphs, trees	2700	x199
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1928
37E	Trial for Chief graphs, greedy, shortest paths	2600	x611
36E	Two Paths constructive algorithms, dsu, graphs, implementation	2600	x505
34D	Road Map dfs and similar, graphs	1600	x4990
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1170
29E	Quarrel graphs, shortest paths	2400	x884
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4761
28B	pSort dfs and similar, dsu, graphs	1600	x4539
27D	Ring Road 2 2-sat, dfs and similar, dsu, graphs	2200	x2415
25D	Roads not only in Berland dsu, graphs, trees	1900	x10869
25C	Roads in Berland graphs, shortest paths	1900	x6058
24A	Ring road graphs	1400	x4967
23B	Party constructive algorithms, graphs, math	1600	x3282
22E	Scheme dfs and similar, graphs, trees	2300	x1589
22C	System Administrator graphs	1700	x3038
21D	Traveling Graph bitmasks, graph matchings, graphs	2400	x856
20C	Dijkstra? graphs, shortest paths	1900	x31692
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4417
11D	A Simple Task bitmasks, dp, graphs	2200	x4701
9E	Interestring graph and Apples dfs and similar, dsu, graphs	2300	x1016
8E	Beads dp, graphs	2600	x675
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4296

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