Problemset - Codeforces

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Problems

#	Name
101E	Candies and Stones divide and conquer, dp	2500	x477
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x671
101C	Vectors implementation, math	2000	x684
101B	Buses binary search, data structures, dp	1700	x2494
101A	Homework greedy	1200	x3704
100J	Interval Coloring *special problem, greedy, math	2400	x60
100I	Rotation *special problem, geometry, math	1500	x340
100H	Battleship *special problem, dfs and similar, implementation	2100	x74
100G	Name the album *special problem, data structures, implementation	1800	x109
100F	Polynom *special problem, implementation	1800	x132
100E	Lamps in a Line *special problem, math	1600	x266
100D	World of Mouth *special problem, strings	1500	x297
100C	A+B *special problem, implementation	1400	x514
100B	Friendly Numbers *special problem, implementation	1500	x534
100A	Carpeting the Room *special problem, implementation	1100	x884
99B	Help Chef Gerasim implementation, sortings	1300	x2895
99A	Help Far Away Kingdom strings	800	x6514
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x443
98D	Help Monks constructive algorithms	2500	x179
98C	Help Greg the Dwarf geometry, ternary search	2500	x300
98B	Help King implementation, probabilities, trees	2200	x114
98A	Help Victoria the Wise brute force, implementation	1700	x1168
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x370
97D	Robot in Basement bitmasks, brute force, implementation	2700	x236
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x297
97B	Superset constructive algorithms, divide and conquer	2300	x803
97A	Domino brute force, implementation	2400	x250
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14448
96A	Football implementation, strings	900	x149194
95E	Lucky Country dp, dsu, graphs	2500	x1388
95D	Horse Races dp, math	2500	x414
95C	Volleyball shortest paths	1900	x2671
95B	Lucky Numbers dp, greedy	1800	x1177
95A	Hockey implementation, strings	1600	x1642
94B	Friends graphs, implementation, math	1300	x4493
94A	Restoring Password implementation, strings	900	x10146
93E	Lostborn dp, math, number theory	2600	x434
93D	Flags dp, math, matrices	2500	x334
93C	Azembler brute force, implementation	2500	x410
93B	End of Exams greedy	1900	x897
93A	Frames implementation	1700	x1910
92B	Binary Number greedy	1300	x4701
92A	Chips implementation, math	800	x18204
91E	Igloo Skyscraper data structures, geometry	2500	x585
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x260
91C	Ski Base combinatorics, dsu, graphs	2300	x862
91B	Queue binary search, data structures	1500	x6513
91A	Newspaper Headline greedy, strings	1500	x3450
90B	African Crossword implementation, strings	1100	x5156
90A	Cableway greedy, math	1000	x4507
89E	Fire and Ice greedy	2900	x97
89D	Space mines geometry	2500	x228
89C	Chip Play brute force, data structures, implementation	2300	x609
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x510
89A	Robbery greedy	1800	x1451
88B	Keyboard implementation	1500	x4363
88A	Chord brute force, implementation	1200	x3737
87E	Mogohu-Rea Idol geometry	2600	x548
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x845
87C	Interesting Game dp, games, math	2000	x1306
87B	Vasya and Types implementation, strings	1800	x1109
87A	Trains implementation, math	1500	x5175
86E	Long sequence brute force, math, matrices	2700	x179
86D	Powerful array data structures, implementation, math, two pointers	2200	x12525
86C	Genetic engineering dp, string suffix structures, trees	2500	x682
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x401
86A	Reflection math	1600	x1341
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x918
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1907
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x522
85B	Embassy Queue data structures, greedy	1800	x957
85A	Domino constructive algorithms, implementation	1300	x1757
84C	Biathlon binary search, implementation	1700	x1586
84A	Toy Army math, number theory	900	x14571
83E	Two Subsequences bitmasks, dp	2800	x453
83D	Numbers dp, math, number theory	2400	x820
83C	Track graphs, greedy, shortest paths	2400	x401
83B	Doctor binary search, math, sortings	1800	x1615
83A	Magical Array math	1300	x6073
82E	Corridor geometry	2600	x216
82D	Two out of Three dp	2000	x1921
82C	General Mobilization data structures, dfs and similar, sortings	2000	x799
82B	Sets constructive algorithms, hashing, implementation	1700	x2017
82A	Double Cola implementation, math	1100	x29447
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x326
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x631
81C	Average Score greedy, math, sortings	1700	x1624
81B	Sequence Formatting implementation, strings	1700	x1874
81A	Plug-in implementation	1400	x10187
80B	Depression geometry, math	1200	x4221
80A	Panoramix's Prediction brute force	800	x49591
79E	Security System math	2900	x118
79D	Password bitmasks, dp, shortest paths	2800	x944
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1716
79B	Colorful Field implementation, sortings	1400	x6806
79A	Bus Game greedy	1200	x3978
78E	Evacuation flows, graphs, shortest paths	2300	x527
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x301
78C	Beaver Game dp, games, number theory	2000	x1801
78B	Easter Eggs constructive algorithms, implementation	1200	x12735