Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
10:19:11
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Problems

#	Name
119D	String Transformation hashing, strings	2500	x500
119C	Education Reform dp	2000	x927
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1079
118E	Bertown roads dfs and similar, graphs	2000	x6722
118D	Caesar's Legions dp	1700	x17568
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2600
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x349
117D	Not Quick Transformation divide and conquer, math	2500	x340
117C	Cycle dfs and similar, graphs	2000	x2647
117B	Very Interesting Game brute force, number theory	1800	x1612
115E	Linear Kingdom Races data structures, dp	2400	x1594
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x399
115C	Plumber math	2200	x600
115B	Lawnmower greedy, sortings	1500	x2615
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3714
113E	Sleeping combinatorics, implementation, math	2700	x119
113D	Museum math, matrices, probabilities	2700	x686
113C	Double Happiness brute force, math, number theory	2200	x1240
113B	Petr# brute force, data structures, hashing, strings	2000	x2831
113A	Grammar Lessons implementation, strings	1600	x2304
111E	Petya and Rectangle	2900	x66
111D	Petya and Coloring combinatorics, dp	2300	x770
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1384
111B	Petya and Divisors binary search, data structures, number theory	1900	x3694
111A	Petya and Inequiations greedy	1400	x4793
109E	Lucky Interval brute force, math	2700	x102
109D	Lucky Sorting constructive algorithms, sortings	2000	x813
109C	Lucky Tree dp, dsu, trees	1900	x3596
109B	Lucky Probability brute force, probabilities	1900	x1556
108B	Datatypes math, sortings	1400	x2469
107E	Darts geometry, probabilities	2700	x138
107D	Crime Management dp, graphs, matrices	2400	x425
107C	Arrangement bitmasks, dp	2400	x375
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3503
107A	Dorm Water Supply dfs and similar, graphs	1400	x5118
106E	Space Rescuers geometry, ternary search	2100	x873
106D	Treasure Island brute force, implementation	1700	x1356
106C	Buns dp	1700	x6018
105E	Lift and Throw brute force	2500	x192
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x139
105C	Item World brute force, implementation, sortings	2200	x344
105B	Dark Assembly brute force, probabilities	1800	x819
105A	Transmigration implementation	1700	x1844
103E	Buying Sets flows, graph matchings	2900	x882
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2128
103C	Russian Roulette constructive algorithms, greedy	1900	x960
103B	Cthulhu dfs and similar, dsu, graphs	1500	x8974
101E	Candies and Stones divide and conquer, dp	2500	x517
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x689
101C	Vectors implementation, math	2000	x703
101B	Buses binary search, data structures, dp	1700	x2590
100J	Interval Coloring *special problem, greedy, math	2400	x62
100I	Rotation *special problem, geometry, math	1500	x351
100H	Battleship *special problem, dfs and similar, implementation	2100	x79
100G	Name the album *special problem, data structures, implementation	1800	x124
100F	Polynom *special problem, implementation	1800	x135
100E	Lamps in a Line *special problem, math	1600	x273
100D	World of Mouth *special problem, strings	1500	x305
100C	A+B *special problem, implementation	1400	x536
100B	Friendly Numbers *special problem, implementation	1500	x545
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x479
98D	Help Monks constructive algorithms	2500	x185
98C	Help Greg the Dwarf geometry, ternary search	2500	x310
98B	Help King implementation, probabilities, trees	2200	x128
98A	Help Victoria the Wise brute force, implementation	1700	x1216
97E	Leaders dfs and similar, dsu, graphs, trees	2200	x383
97D	Robot in Basement bitmasks, brute force, implementation	2700	x248
97C	Winning Strategy binary search, graphs, math, shortest paths	2400	x303
97B	Superset constructive algorithms, divide and conquer	2300	x859
97A	Domino brute force, implementation	2400	x266
95E	Lucky Country dp, dsu, graphs	2500	x1508
95D	Horse Races dp, math	2500	x428
95C	Volleyball shortest paths	1900	x2807
95B	Lucky Numbers dp, greedy	1800	x1225
95A	Hockey implementation, strings	1600	x1678
93E	Lostborn dp, math, number theory	2600	x501
93D	Flags dp, math, matrices	2500	x352
93C	Azembler brute force, implementation	2500	x424
93B	End of Exams greedy	1900	x921
93A	Frames implementation	1700	x1963
91E	Igloo Skyscraper data structures, geometry	2500	x610
91D	Grocer's Problem constructive algorithms, graphs, greedy	2600	x272
91C	Ski Base combinatorics, dsu, graphs	2300	x886
91B	Queue binary search, data structures	1500	x6857
91A	Newspaper Headline greedy, strings	1500	x3606
89E	Fire and Ice greedy	2900	x100
89D	Space mines geometry	2500	x239
89C	Chip Play brute force, data structures, implementation	2300	x624
89B	Widget Library dp, expression parsing, graphs, implementation	2300	x525
89A	Robbery greedy	1800	x1483
88B	Keyboard implementation	1500	x4712
87E	Mogohu-Rea Idol geometry	2600	x600
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x905
87C	Interesting Game dp, games, math	2000	x1383
87B	Vasya and Types implementation, strings	1800	x1155
87A	Trains implementation, math	1500	x5407
86E	Long sequence brute force, math, matrices	2700	x189
86D	Powerful array data structures, implementation, math, two pointers	2200	x13915
86C	Genetic engineering dp, string suffix structures, trees	2500	x726
86B	Tetris revisited constructive algorithms, graph matchings, greedy, math	2200	x415