Problemset - Codeforces

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Codeforces Round 1002 (Div. 2)
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Problems

#	Name
88B	Keyboard implementation	1500	x4798
88A	Chord brute force, implementation	1200	x3861
87E	Mogohu-Rea Idol geometry	2600	x613
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x918
87C	Interesting Game dp, games, math	2000	x1412
87B	Vasya and Types implementation, strings	1800	x1157
87A	Trains implementation, math	1500	x5446
86E	Long sequence brute force, math, matrices	2700	x191
86D	Powerful array data structures, implementation, math, two pointers	2200	x14216
86C	Genetic engineering dp, string suffix structures, trees	2500	x740
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x418
86A	Reflection math	1600	x1453
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x992
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x2085
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x563
85B	Embassy Queue data structures, greedy	1800	x988
85A	Domino constructive algorithms, implementation	1300	x1817
84C	Biathlon binary search, implementation	1700	x1731
84A	Toy Army math, number theory	900	x15375
83E	Two Subsequences bitmasks, dp	2800	x485
83D	Numbers dp, math, number theory	2400	x914
83C	Track graphs, greedy, shortest paths	2400	x436
83B	Doctor binary search, math, sortings	1800	x1721
83A	Magical Array math	1300	x6331
82E	Corridor geometry	2600	x219
82D	Two out of Three dp	2000	x2088
82C	General Mobilization data structures, dfs and similar, sortings	2000	x820
82B	Sets constructive algorithms, hashing, implementation	1700	x2074
82A	Double Cola implementation, math	1100	x30659
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x356
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x665
81C	Average Score greedy, math, sortings	1700	x1678
81B	Sequence Formatting implementation, strings	1700	x1968
81A	Plug-in implementation	1400	x11323
80B	Depression geometry, math	1200	x4495
80A	Panoramix's Prediction brute force	800	x56146
79E	Security System math	2900	x138
79D	Password bitmasks, dp, shortest paths	2800	x1211
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1852
79B	Colorful Field implementation, sortings	1400	x7403
79A	Bus Game greedy	1200	x4134
78E	Evacuation flows, graphs, shortest paths	2300	x597
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x336
78C	Beaver Game dp, games, number theory	2000	x1909
78B	Easter Eggs constructive algorithms, implementation	1200	x13931
78A	Haiku implementation, strings	800	x13325
77E	Martian Food geometry	2800	x381
77D	Domino Carpet dp, implementation	2300	x332
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1049
77B	Falling Anvils math, probabilities	1800	x2680
77A	Heroes brute force, implementation	1400	x1786
76F	Tourist binary search, data structures, dp	2300	x651
76E	Points implementation, math	1700	x1732
76D	Plus and xor dp, greedy, math	1700	x2102
76C	Mutation bitmasks, dp, math	2700	x335
76B	Mice greedy, two pointers	2100	x763
76A	Gift dsu, graphs, sortings, trees	2200	x1738
75E	Ship's Shortest Path geometry, shortest paths	2400	x281
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x1858
75C	Modified GCD binary search, number theory	1600	x13122
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3348
75A	Life Without Zeros implementation	1000	x26795
74E	Shift It! constructive algorithms	2800	x166
74D	Hanger data structures	2400	x374
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1308
74B	Train dp, games, greedy	1500	x1563
74A	Room Leader implementation	1000	x5266
73F	Plane of Tanks brute force, geometry	2900	x81
73E	Morrowindows math, number theory	2400	x367
73D	FreeDiv dfs and similar, graphs, greedy	2200	x646
73C	LionAge II dp	1800	x2153
73B	Need For Brake binary search, greedy, sortings	2000	x511
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1388
72I	Goofy Numbers *special problem, implementation	1500	x468
72H	Reverse It! *special problem, implementation	1600	x269
72G	Fibonacci army *special problem, dp	1000	x2371
72F	Oil *special problem, greedy, math	1900	x121
72E	Ali goes shopping *special problem, brute force, strings	1800	x174
72D	Perse-script *special problem, expression parsing	2300	x77
72C	Extraordinarily Nice Numbers *special problem, math	1200	x937
72B	INI-file *special problem, implementation	2200	x109
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x188
71E	Nuclear Fusion bitmasks, dp	2200	x763
71D	Solitaire brute force, implementation	2200	x662
71C	Round Table Knights dp, math, number theory	1600	x6698
71B	Progress Bar implementation, math	1300	x4646
71A	Way Too Long Words strings	800	x406697
70E	Information Reform dp, implementation, trees	2700	x520
70D	Professor's task data structures, geometry	2700	x1012
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x585
70B	Text Messaging expression parsing, greedy, strings	1600	x1793
70A	Cookies math	1300	x3315
69E	Subsegments data structures, implementation	1800	x4478
69D	Dot dp, games	1900	x1019
69C	Game implementation	2000	x596
69B	Bets greedy, implementation	1200	x3306
69A	Young Physicist implementation, math	1000	x173305
68E	Contact geometry	2900	x72
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x482
68C	Synchrophasotron brute force	2200	x312