Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
36:58:50
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Problems

#	Name
100B	Friendly Numbers *special problem, implementation	1500	x542
100A	Carpeting the Room *special problem, implementation	1100	x911
99B	Help Chef Gerasim implementation, sortings	1300	x2956
99A	Help Far Away Kingdom strings	800	x6660
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x476
98D	Help Monks constructive algorithms	2500	x182
98C	Help Greg the Dwarf geometry, ternary search	2500	x306
98B	Help King implementation, probabilities, trees	2200	x122
98A	Help Victoria the Wise brute force, implementation	1700	x1181
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x381
97D	Robot in Basement bitmasks, brute force, implementation	2700	x246
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x302
97B	Superset constructive algorithms, divide and conquer	2300	x817
97A	Domino brute force, implementation	2400	x264
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x15284
96A	Football implementation, strings	900	x156796
95E	Lucky Country dp, dsu, graphs	2500	x1474
95D	Horse Races dp, math	2500	x425
95C	Volleyball shortest paths	1900	x2769
95B	Lucky Numbers dp, greedy	1800	x1210
95A	Hockey implementation, strings	1600	x1663
94B	Friends graphs, implementation, math	1300	x4645
94A	Restoring Password implementation, strings	900	x10476
93E	Lostborn dp, math, number theory	2600	x498
93D	Flags dp, math, matrices	2500	x347
93C	Azembler brute force, implementation	2500	x419
93B	End of Exams greedy	1900	x912
93A	Frames implementation	1700	x1940
92B	Binary Number greedy	1300	x4787
92A	Chips implementation, math	800	x18693
91E	Igloo Skyscraper data structures, geometry	2500	x599
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x270
91C	Ski Base combinatorics, dsu, graphs	2300	x872
91B	Queue binary search, data structures	1500	x6762
91A	Newspaper Headline greedy, strings	1500	x3584
90B	African Crossword implementation, strings	1100	x5281
90A	Cableway greedy, math	1000	x4666
89E	Fire and Ice greedy	2900	x99
89D	Space mines geometry	2500	x232
89C	Chip Play brute force, data structures, implementation	2300	x620
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x518
89A	Robbery greedy	1800	x1470
88B	Keyboard implementation	1500	x4624
88A	Chord brute force, implementation	1200	x3813
87E	Mogohu-Rea Idol geometry	2600	x583
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x881
87C	Interesting Game dp, games, math	2000	x1342
87B	Vasya and Types implementation, strings	1800	x1144
87A	Trains implementation, math	1500	x5339
86E	Long sequence brute force, math, matrices	2700	x188
86D	Powerful array data structures, implementation, math, two pointers	2200	x13525
86C	Genetic engineering dp, string suffix structures, trees	2500	x712
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x410
86A	Reflection math	1600	x1367
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x949
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x2024
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x535
85B	Embassy Queue data structures, greedy	1800	x968
85A	Domino constructive algorithms, implementation	1300	x1783
84C	Biathlon binary search, implementation	1700	x1630
84A	Toy Army math, number theory	900	x14922
83E	Two Subsequences bitmasks, dp	2800	x470
83D	Numbers dp, math, number theory	2400	x852
83C	Track graphs, greedy, shortest paths	2400	x416
83B	Doctor binary search, math, sortings	1800	x1641
83A	Magical Array math	1300	x6200
82E	Corridor geometry	2600	x217
82D	Two out of Three dp	2000	x2003
82C	General Mobilization data structures, dfs and similar, sortings	2000	x804
82B	Sets constructive algorithms, hashing, implementation	1700	x2029
82A	Double Cola implementation, math	1100	x30089
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x340
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x644
81C	Average Score greedy, math, sortings	1700	x1659
81B	Sequence Formatting implementation, strings	1700	x1947
81A	Plug-in implementation	1400	x10637
80B	Depression geometry, math	1200	x4385
80A	Panoramix's Prediction brute force	800	x52962
79E	Security System math	2900	x131
79D	Password bitmasks, dp, shortest paths	2800	x1122
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1775
79B	Colorful Field implementation, sortings	1400	x7131
79A	Bus Game greedy	1200	x4041
78E	Evacuation flows, graphs, shortest paths	2300	x540
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x310
78C	Beaver Game dp, games, number theory	2000	x1866
78B	Easter Eggs constructive algorithms, implementation	1200	x13425
78A	Haiku implementation, strings	800	x12394
77E	Martian Food geometry	2800	x372
77D	Domino Carpet dp, implementation	2300	x324
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x998
77B	Falling Anvils math, probabilities	1800	x2608
77A	Heroes brute force, implementation	1400	x1770
76F	Tourist binary search, data structures, dp	2300	x629
76E	Points implementation, math	1700	x1706
76D	Plus and xor dp, greedy, math	1700	x2057
76C	Mutation bitmasks, dp, math	2700	x310
76B	Mice greedy, two pointers	2100	x744
76A	Gift dsu, graphs, sortings, trees	2200	x1579
75E	Ship's Shortest Path geometry, shortest paths	2400	x276