Problemset - Codeforces

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Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)
03:29:09
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Problems

#	Name
100C	A+B *special problem, implementation	1400	x533
100B	Friendly Numbers *special problem, implementation	1500	x543
100A	Carpeting the Room *special problem, implementation	1100	x922
99B	Help Chef Gerasim implementation, sortings	1300	x2964
99A	Help Far Away Kingdom strings	800	x6691
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x476
98D	Help Monks constructive algorithms	2500	x183
98C	Help Greg the Dwarf geometry, ternary search	2500	x309
98B	Help King implementation, probabilities, trees	2200	x127
98A	Help Victoria the Wise brute force, implementation	1700	x1213
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	x818
97A	Domino brute force, implementation	2400	x265
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x15425
96A	Football implementation, strings	900	x157800
95E	Lucky Country dp, dsu, graphs	2500	x1485
95D	Horse Races dp, math	2500	x425
95C	Volleyball shortest paths	1900	x2781
95B	Lucky Numbers dp, greedy	1800	x1218
95A	Hockey implementation, strings	1600	x1672
94B	Friends graphs, implementation, math	1300	x4664
94A	Restoring Password implementation, strings	900	x10532
93E	Lostborn dp, math, number theory	2600	x498
93D	Flags dp, math, matrices	2500	x347
93C	Azembler brute force, implementation	2500	x422
93B	End of Exams greedy	1900	x918
93A	Frames implementation	1700	x1945
92B	Binary Number greedy	1300	x4818
92A	Chips implementation, math	800	x18751
91E	Igloo Skyscraper data structures, geometry	2500	x603
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x270
91C	Ski Base combinatorics, dsu, graphs	2300	x879
91B	Queue binary search, data structures	1500	x6787
91A	Newspaper Headline greedy, strings	1500	x3589
90B	African Crossword implementation, strings	1100	x5291
90A	Cableway greedy, math	1000	x4678
89E	Fire and Ice greedy	2900	x99
89D	Space mines geometry	2500	x238
89C	Chip Play brute force, data structures, implementation	2300	x620
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x523
89A	Robbery greedy	1800	x1476
88B	Keyboard implementation	1500	x4652
88A	Chord brute force, implementation	1200	x3826
87E	Mogohu-Rea Idol geometry	2600	x585
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x890
87C	Interesting Game dp, games, math	2000	x1354
87B	Vasya and Types implementation, strings	1800	x1147
87A	Trains implementation, math	1500	x5358
86E	Long sequence brute force, math, matrices	2700	x188
86D	Powerful array data structures, implementation, math, two pointers	2200	x13655
86C	Genetic engineering dp, string suffix structures, trees	2500	x717
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x411
86A	Reflection math	1600	x1379
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x949
85D	Sum of Medians binary search, brute force, data structures, implementation	2300	x2043
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x540
85B	Embassy Queue data structures, greedy	1800	x975
85A	Domino constructive algorithms, implementation	1300	x1789
84C	Biathlon binary search, implementation	1700	x1703
84A	Toy Army math, number theory	900	x14960
83E	Two Subsequences bitmasks, dp	2800	x475
83D	Numbers dp, math, number theory	2400	x879
83C	Track graphs, greedy, shortest paths	2400	x427
83B	Doctor binary search, math, sortings	1800	x1692
83A	Magical Array math	1300	x6227
82E	Corridor geometry	2600	x217
82D	Two out of Three dp	2000	x2022
82C	General Mobilization data structures, dfs and similar, sortings	2000	x806
82B	Sets constructive algorithms, hashing, implementation	1700	x2034
82A	Double Cola implementation, math	1100	x30171
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x341
81D	Polycarp's Picture Gallery constructive algorithms, greedy	2100	x646
81C	Average Score greedy, math, sortings	1700	x1663
81B	Sequence Formatting implementation, strings	1700	x1954
81A	Plug-in implementation	1400	x10721
80B	Depression geometry, math	1200	x4399
80A	Panoramix's Prediction brute force	800	x53349
79E	Security System math	2900	x131
79D	Password bitmasks, dp, shortest paths	2800	x1131
79C	Beaver data structures, dp, greedy, hashing, strings, two pointers	1800	x1782
79B	Colorful Field implementation, sortings	1400	x7176
79A	Bus Game greedy	1200	x4052
78E	Evacuation flows, graphs, shortest paths	2300	x541
78D	Archer's Shot binary search, geometry, math, two pointers	2300	x317
78C	Beaver Game dp, games, number theory	2000	x1873
78B	Easter Eggs constructive algorithms, implementation	1200	x13521
78A	Haiku implementation, strings	800	x12468
77E	Martian Food geometry	2800	x377
77D	Domino Carpet dp, implementation	2300	x326
77C	Beavermuncher-0xFF dfs and similar, dp, dsu, greedy, trees	2100	x1005
77B	Falling Anvils math, probabilities	1800	x2619
77A	Heroes brute force, implementation	1400	x1775
76F	Tourist binary search, data structures, dp	2300	x631
76E	Points implementation, math	1700	x1712
76D	Plus and xor dp, greedy, math	1700	x2066
76C	Mutation bitmasks, dp, math	2700	x311
76B	Mice greedy, two pointers	2100	x749
76A	Gift dsu, graphs, sortings, trees	2200	x1583