Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
4 days
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Problems

#	Name
102A	Clothes brute force	1200	x3488
101E	Candies and Stones divide and conquer, dp	2500	x666
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x819
101C	Vectors implementation, math	2000	x856
101B	Buses binary search, data structures, dp	1700	x3271
101A	Homework greedy	1200	x4525
100J	Interval Coloring *special problem, greedy, math	2400	x77
100I	Rotation *special problem, geometry, math	1500	x438
100H	Battleship *special problem, dfs and similar, implementation	2100	x94
100G	Name the album *special problem, data structures, implementation	1800	x145
100F	Polynom *special problem, implementation	1800	x164
100E	Lamps in a Line *special problem, math	1600	x308
100D	World of Mouth *special problem, strings	1500	x377
100C	A+B *special problem, implementation	1400	x647
100B	Friendly Numbers *special problem, implementation	1500	x628
100A	Carpeting the Room *special problem, implementation	1100	x1075
99B	Help Chef Gerasim implementation, sortings	1300	x3282
99A	Help Far Away Kingdom strings	800	x8047
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x579
98D	Help Monks constructive algorithms	2500	x214
98C	Help Greg the Dwarf geometry, ternary search	2500	x378
98B	Help King implementation, probabilities, trees	2200	x166
98A	Help Victoria the Wise brute force, implementation	1700	x1370
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x460
97D	Robot in Basement bitmasks, brute force, implementation	2700	x395
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x376
97B	Superset constructive algorithms, divide and conquer	2300	x1034
97A	Domino brute force, implementation	2400	x356
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x20186
96A	Football implementation, strings	900	x205554
95E	Lucky Country dp, dsu, graphs	2500	x2194
95D	Horse Races dp, math	2500	x562
95C	Volleyball shortest paths	1900	x3552
95B	Lucky Numbers dp, greedy	1800	x1443
95A	Hockey implementation, strings	1600	x1889
94B	Friends graphs, implementation, math	1300	x5512
94A	Restoring Password implementation, strings	900	x12768
93E	Lostborn dp, math, number theory	2600	x559
93D	Flags dp, math, matrices	2500	x498
93C	Azembler brute force, implementation	2500	x472
93B	End of Exams greedy	1900	x1010
93A	Frames implementation	1700	x2100
92B	Binary Number greedy	1300	x5483
92A	Chips implementation, math	800	x22057
91E	Igloo Skyscraper data structures, geometry	2500	x741
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x325
91C	Ski Base combinatorics, dsu, graphs	2300	x1055
91B	Queue binary search, data structures	1500	x8113
91A	Newspaper Headline greedy, strings	1500	x4074
90B	African Crossword implementation, strings	1100	x5830
90A	Cableway greedy, math	1000	x5722
89E	Fire and Ice greedy	2900	x123
89D	Space mines geometry	2500	x341
89C	Chip Play brute force, data structures, implementation	2300	x718
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x619
89A	Robbery greedy	1800	x1645
88B	Keyboard implementation	1500	x5366
88A	Chord brute force, implementation	1200	x4163
87E	Mogohu-Rea Idol geometry	2600	x876
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x1137
87C	Interesting Game dp, games, math	2000	x1823
87B	Vasya and Types implementation, strings	1800	x1283
87A	Trains implementation, math	1500	x5944
86E	Long sequence brute force, math, matrices	2700	x243
86D	Powerful array data structures, implementation, math, two pointers	2200	x18368
86C	Genetic engineering dp, string suffix structures, trees	2500	x1007
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x480
86A	Reflection math	1600	x1693
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x1192
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x2598
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x647
85B	Embassy Queue data structures, greedy	1800	x1090
85A	Domino constructive algorithms, implementation	1300	x2054
84C	Biathlon binary search, implementation	1700	x1887
84A	Toy Army math, number theory	900	x17028
83E	Two Subsequences bitmasks, dp	2800	x606
83D	Numbers dp, math, number theory	2400	x1096
83C	Track graphs, greedy, shortest paths	2400	x501
83B	Doctor binary search, math, sortings	1800	x1920
83A	Magical Array math	1300	x7070
82E	Corridor geometry	2600	x279
82D	Two out of Three dp	2000	x2364
82C	General Mobilization data structures, dfs and similar, sortings	2000	x914
82B	Sets constructive algorithms, hashing, implementation	1700	x2356
82A	Double Cola implementation, math	1100	x32851
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x465
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x975
81C	Average Score greedy, math, sortings	1700	x1881
81B	Sequence Formatting implementation, strings	1700	x2186
81A	Plug-in implementation	1400	x14670
80B	Depression geometry, math	1200	x5218
80A	Panoramix's Prediction brute force	800	x69944
79E	Security System math	2900	x200
79D	Password bitmasks, dp, shortest paths	2800	x1516
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x2186
79B	Colorful Field implementation, sortings	1400	x8130
79A	Bus Game greedy	1200	x4670
78E	Evacuation flows, graphs, shortest paths	2300	x798
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x428
78C	Beaver Game dp, games, number theory	2000	x2270

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