Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
5 days

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Problems

#	Name
101A	Homework greedy	1200	x3722
100J	Interval Coloring *special problem, greedy, math	2400	x61
100I	Rotation *special problem, geometry, math	1500	x342
100H	Battleship *special problem, dfs and similar, implementation	2100	x75
100G	Name the album *special problem, data structures, implementation	1800	x110
100F	Polynom *special problem, implementation	1800	x133
100E	Lamps in a Line *special problem, math	1600	x268
100D	World of Mouth *special problem, strings	1500	x298
100C	A+B *special problem, implementation	1400	x518
100B	Friendly Numbers *special problem, implementation	1500	x537
100A	Carpeting the Room *special problem, implementation	1100	x894
99B	Help Chef Gerasim implementation, sortings	1300	x2908
99A	Help Far Away Kingdom strings	800	x6548
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x459
98D	Help Monks constructive algorithms	2500	x181
98C	Help Greg the Dwarf geometry, ternary search	2500	x302
98B	Help King implementation, probabilities, trees	2200	x116
98A	Help Victoria the Wise brute force, implementation	1700	x1173
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x371
97D	Robot in Basement bitmasks, brute force, implementation	2700	x242
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x300
97B	Superset constructive algorithms, divide and conquer	2300	x808
97A	Domino brute force, implementation	2400	x254
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14670
96A	Football implementation, strings	900	x151305
95E	Lucky Country dp, dsu, graphs	2500	x1406
95D	Horse Races dp, math	2500	x418
95C	Volleyball shortest paths	1900	x2713
95B	Lucky Numbers dp, greedy	1800	x1182
95A	Hockey implementation, strings	1600	x1647
94B	Friends graphs, implementation, math	1300	x4528
94A	Restoring Password implementation, strings	900	x10208
93E	Lostborn dp, math, number theory	2600	x439
93D	Flags dp, math, matrices	2500	x336
93C	Azembler brute force, implementation	2500	x412
93B	End of Exams greedy	1900	x906
93A	Frames implementation	1700	x1914
92B	Binary Number greedy	1300	x4725
92A	Chips implementation, math	800	x18351
91E	Igloo Skyscraper data structures, geometry	2500	x587
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x262
91C	Ski Base combinatorics, dsu, graphs	2300	x866
91B	Queue binary search, data structures	1500	x6589
91A	Newspaper Headline greedy, strings	1500	x3513
90B	African Crossword implementation, strings	1100	x5195
90A	Cableway greedy, math	1000	x4542
89E	Fire and Ice greedy	2900	x99
89D	Space mines geometry	2500	x231
89C	Chip Play brute force, data structures, implementation	2300	x610
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x511
89A	Robbery greedy	1800	x1457
88B	Keyboard implementation	1500	x4415
88A	Chord brute force, implementation	1200	x3757
87E	Mogohu-Rea Idol geometry	2600	x554
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x856
87C	Interesting Game dp, games, math	2000	x1312
87B	Vasya and Types implementation, strings	1800	x1118
87A	Trains implementation, math	1500	x5215
86E	Long sequence brute force, math, matrices	2700	x180
86D	Powerful array data structures, implementation, math, two pointers	2200	x12907
86C	Genetic engineering dp, string suffix structures, trees	2500	x688
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x402
86A	Reflection math	1600	x1347
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x928
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x1925
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x523
85B	Embassy Queue data structures, greedy	1800	x960
85A	Domino constructive algorithms, implementation	1300	x1769
84C	Biathlon binary search, implementation	1700	x1592
84A	Toy Army math, number theory	900	x14667
83E	Two Subsequences bitmasks, dp	2800	x460
83D	Numbers dp, math, number theory	2400	x829
83C	Track graphs, greedy, shortest paths	2400	x407
83B	Doctor binary search, math, sortings	1800	x1627
83A	Magical Array math	1300	x6117
82E	Corridor geometry	2600	x217
82D	Two out of Three dp	2000	x1936
82C	General Mobilization data structures, dfs and similar, sortings	2000	x800
82B	Sets constructive algorithms, hashing, implementation	1700	x2019
82A	Double Cola implementation, math	1100	x29645
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x330
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x635
81C	Average Score greedy, math, sortings	1700	x1635
81B	Sequence Formatting implementation, strings	1700	x1880
81A	Plug-in implementation	1400	x10298
80B	Depression geometry, math	1200	x4243
80A	Panoramix's Prediction brute force	800	x50469
79E	Security System math	2900	x122
79D	Password bitmasks, dp, shortest paths	2800	x963
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1740
79B	Colorful Field implementation, sortings	1400	x6876
79A	Bus Game greedy	1200	x3989
78E	Evacuation flows, graphs, shortest paths	2300	x530
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x303
78C	Beaver Game dp, games, number theory	2000	x1819
78B	Easter Eggs constructive algorithms, implementation	1200	x12869
78A	Haiku implementation, strings	800	x12070
77E	Martian Food geometry	2800	x367
77D	Domino Carpet dp, implementation	2300	x312
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x981