Problemset - Codeforces

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Codeforces Round (Div. 2)
25:01:48
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Problems

#	Name
93B	End of Exams greedy	1900	x906
93A	Frames implementation	1700	x1921
92B	Binary Number greedy	1300	x4746
92A	Chips implementation, math	800	x18496
91E	Igloo Skyscraper data structures, geometry	2500	x591
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x264
91C	Ski Base combinatorics, dsu, graphs	2300	x868
91B	Queue binary search, data structures	1500	x6667
91A	Newspaper Headline greedy, strings	1500	x3543
90B	African Crossword implementation, strings	1100	x5236
90A	Cableway greedy, math	1000	x4574
89E	Fire and Ice greedy	2900	x99
89D	Space mines geometry	2500	x231
89C	Chip Play brute force, data structures, implementation	2300	x615
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x513
89A	Robbery greedy	1800	x1464
88B	Keyboard implementation	1500	x4498
88A	Chord brute force, implementation	1200	x3786
87E	Mogohu-Rea Idol geometry	2600	x556
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x862
87C	Interesting Game dp, games, math	2000	x1316
87B	Vasya and Types implementation, strings	1800	x1122
87A	Trains implementation, math	1500	x5267
86E	Long sequence brute force, math, matrices	2700	x180
86D	Powerful array data structures, implementation, math, two pointers	2200	x13134
86C	Genetic engineering dp, string suffix structures, trees	2500	x695
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x403
86A	Reflection math	1600	x1354
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x939
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1969
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x524
85B	Embassy Queue data structures, greedy	1800	x963
85A	Domino constructive algorithms, implementation	1300	x1774
84C	Biathlon binary search, implementation	1700	x1599
84A	Toy Army math, number theory	900	x14759
83E	Two Subsequences bitmasks, dp	2800	x465
83D	Numbers dp, math, number theory	2400	x841
83C	Track graphs, greedy, shortest paths	2400	x409
83B	Doctor binary search, math, sortings	1800	x1629
83A	Magical Array math	1300	x6157
82E	Corridor geometry	2600	x217
82D	Two out of Three dp	2000	x1952
82C	General Mobilization data structures, dfs and similar, sortings	2000	x804
82B	Sets constructive algorithms, hashing, implementation	1700	x2022
82A	Double Cola implementation, math	1100	x29819
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x331
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x641
81C	Average Score greedy, math, sortings	1700	x1642
81B	Sequence Formatting implementation, strings	1700	x1924
81A	Plug-in implementation	1400	x10419
80B	Depression geometry, math	1200	x4288
80A	Panoramix's Prediction brute force	800	x51318
79E	Security System math	2900	x127
79D	Password bitmasks, dp, shortest paths	2800	x1063
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1742
79B	Colorful Field implementation, sortings	1400	x6985
79A	Bus Game greedy	1200	x4009
78E	Evacuation flows, graphs, shortest paths	2300	x531
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x307
78C	Beaver Game dp, games, number theory	2000	x1830
78B	Easter Eggs constructive algorithms, implementation	1200	x13089
78A	Haiku implementation, strings	800	x12200
77E	Martian Food geometry	2800	x370
77D	Domino Carpet dp, implementation	2300	x316
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x985
77B	Falling Anvils math, probabilities	1800	x2576
77A	Heroes brute force, implementation	1400	x1755
76F	Tourist binary search, data structures, dp	2300	x620
76E	Points implementation, math	1700	x1690
76D	Plus and xor dp, greedy, math	1700	x2036
76C	Mutation bitmasks, dp, math	2700	x305
76B	Mice greedy, two pointers	2100	x725
76A	Gift dsu, graphs, sortings, trees	2200	x1546
75E	Ship's Shortest Path geometry, shortest paths	2400	x272
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1759
75C	Modified GCD binary search, number theory	1600	x12341
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3252
75A	Life Without Zeros implementation	1000	x25543
74E	Shift It! constructive algorithms	2800	x150
74D	Hanger data structures	2400	x366
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1270
74B	Train dp, games, greedy	1500	x1522
74A	Room Leader implementation	1000	x5018
73F	Plane of Tanks brute force, geometry	2900	x77
73E	Morrowindows math, number theory	2400	x329
73D	FreeDiv dfs and similar, graphs, greedy	2200	x622
73C	LionAge II dp	1800	x2079
73B	Need For Brake binary search, greedy, sortings	2000	x492
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1322
72I	Goofy Numbers *special problem, implementation	1500	x458
72H	Reverse It! *special problem, implementation	1600	x263
72G	Fibonacci army *special problem, dp	1000	x2079
72F	Oil *special problem, greedy, math	1900	x118
72E	Ali goes shopping *special problem, brute force, strings	1800	x153
72D	Perse-script *special problem, expression parsing	2300	x74
72C	Extraordinarily Nice Numbers *special problem, math	1200	x910
72B	INI-file *special problem, implementation	2200	x77
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x185
71E	Nuclear Fusion bitmasks, dp	2200	x695
71D	Solitaire brute force, implementation	2200	x632