Problemset - Codeforces

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Problems

#	Name
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x618
89A	Robbery greedy	1800	x1638
88B	Keyboard implementation	1500	x5358
88A	Chord brute force, implementation	1200	x4151
87E	Mogohu-Rea Idol geometry	2600	x866
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x1130
87C	Interesting Game dp, games, math	2000	x1808
87B	Vasya and Types implementation, strings	1800	x1278
87A	Trains implementation, math	1500	x5930
86E	Long sequence brute force, math, matrices	2700	x242
86D	Powerful array data structures, implementation, math, two pointers	2200	x18229
86C	Genetic engineering dp, string suffix structures, trees	2500	x996
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x477
86A	Reflection math	1600	x1689
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x1187
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x2578
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x646
85B	Embassy Queue data structures, greedy	1800	x1087
85A	Domino constructive algorithms, implementation	1300	x2048
84C	Biathlon binary search, implementation	1700	x1885
84A	Toy Army math, number theory	900	x16985
83E	Two Subsequences bitmasks, dp	2800	x604
83D	Numbers dp, math, number theory	2400	x1094
83C	Track graphs, greedy, shortest paths	2400	x499
83B	Doctor binary search, math, sortings	1800	x1918
83A	Magical Array math	1300	x7050
82E	Corridor geometry	2600	x278
82D	Two out of Three dp	2000	x2359
82C	General Mobilization data structures, dfs and similar, sortings	2000	x912
82B	Sets constructive algorithms, hashing, implementation	1700	x2352
82A	Double Cola implementation, math	1100	x32776
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x464
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x972
81C	Average Score greedy, math, sortings	1700	x1876
81B	Sequence Formatting implementation, strings	1700	x2172
81A	Plug-in implementation	1400	x14563
80B	Depression geometry, math	1200	x5187
80A	Panoramix's Prediction brute force	800	x69516
79E	Security System math	2900	x198
79D	Password bitmasks, dp, shortest paths	2800	x1503
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x2177
79B	Colorful Field implementation, sortings	1400	x8113
79A	Bus Game greedy	1200	x4660
78E	Evacuation flows, graphs, shortest paths	2300	x797
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x427
78C	Beaver Game dp, games, number theory	2000	x2264
78B	Easter Eggs constructive algorithms, implementation	1200	x15673
78A	Haiku implementation, strings	800	x15831
77E	Martian Food geometry	2800	x548
77D	Domino Carpet dp, implementation	2300	x381
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1266
77B	Falling Anvils math, probabilities	1800	x2943
77A	Heroes brute force, implementation	1400	x2007
76F	Tourist binary search, data structures, dp	2300	x875
76E	Points implementation, math	1700	x1951
76D	Plus and xor dp, greedy, math	1700	x2586
76C	Mutation bitmasks, dp, math	2700	x393
76B	Mice greedy, two pointers	2100	x829
76A	Gift dsu, graphs, sortings, trees	2200	x2585
75E	Ship's Shortest Path geometry, shortest paths	2400	x320
75D	Big Maximum Sum data structures, dp, greedy, implementation, math, trees	2000	x2142
75C	Modified GCD binary search, number theory	1600	x16821
75B	Facetook Priority Wall expression parsing, implementation, strings	1500	x3679
75A	Life Without Zeros implementation	1000	x30676
74E	Shift It! constructive algorithms	2800	x211
74D	Hanger data structures	2400	x461
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1454
74B	Train dp, games, greedy	1500	x1815
74A	Room Leader implementation	1000	x6021
73F	Plane of Tanks brute force, geometry	2900	x191
73E	Morrowindows math, number theory	2400	x441
73D	FreeDiv dfs and similar, graphs, greedy	2200	x789
73C	LionAge II dp	1800	x2540
73B	Need For Brake binary search, greedy, sortings	2000	x583
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1674
72I	Goofy Numbers *special problem, implementation	1500	x492
72H	Reverse It! *special problem, implementation	1600	x290
72G	Fibonacci army *special problem, dp	1000	x3036
72F	Oil *special problem, greedy, math	1900	x151
72E	Ali goes shopping *special problem, brute force, strings	1800	x183
72D	Perse-script *special problem, expression parsing	2300	x84
72C	Extraordinarily Nice Numbers *special problem, math	1200	x1073
72B	INI-file *special problem, implementation	2200	x118
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x203
71E	Nuclear Fusion bitmasks, dp	2200	x1008
71D	Solitaire brute force, implementation	2200	x821
71C	Round Table Knights dp, math, number theory	1600	x7519
71B	Progress Bar implementation, math	1300	x5504
71A	Way Too Long Words strings	800	x539062
70E	Information Reform dp, implementation, trees	2700	x630
70D	Professor's task data structures, geometry	2700	x1180
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x665
70B	Text Messaging expression parsing, greedy, strings	1600	x2156
70A	Cookies math	1300	x3628
69E	Subsegments data structures, implementation	1800	x5264
69D	Dot dp, games	1900	x1172
69C	Game implementation	2000	x722
69B	Bets greedy, implementation	1200	x3699
69A	Young Physicist implementation, math	1000	x211968
68E	Contact geometry	2900	x87

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