Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
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Problems

#	Name
131F	Present to Mom binary search, two pointers	2000	x641
131E	Yet Another Task with Queens sortings	1700	x1841
131D	Subway dfs and similar, graphs	1600	x4651
130J	Date calculation *special problem	1800	x332
130I	Array sorting *special problem, sortings	2300	x167
130H	Balanced brackets *special problem	1600	x591
130G	CAPS LOCK ON *special problem	1700	x284
130F	Prime factorization *special problem	1600	x277
130E	Tribonacci numbers *special problem	1600	x296
128E	Birthday geometry, math	2900	x97
128D	Numbers constructive algorithms, implementation	2000	x1134
128C	Games with Rectangle combinatorics, dp	2000	x2916
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2539
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x828
126C	E-reader Display constructive algorithms, greedy	2000	x723
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x19224
126A	Hot Bath binary search, brute force, math	1900	x1429
125E	MST Company binary search, graphs	2400	x1065
125D	Two progressions constructive algorithms, greedy	2200	x400
125C	Hobbits' Party constructive algorithms, greedy	1600	x916
123E	Maze dfs and similar, dp, probabilities, trees	2500	x716
123D	String string suffix structures	2300	x1211
123C	Brackets combinatorics, dp, greedy	2300	x603
123B	Squares math	1800	x1110
121E	Lucky Array data structures	2400	x1715
121D	Lucky Segments binary search, implementation, two pointers	2500	x275
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1280
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x915
120I	Luck is in Numbers greedy	2200	x304
120H	Brevity is Soul of Wit graph matchings	1800	x1385
120G	Boom implementation	1800	x686
119E	Alternative Reality geometry	2400	x95
119D	String Transformation hashing, strings	2500	x489
119C	Education Reform dp	2000	x916
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1075
118E	Bertown roads dfs and similar, graphs	2000	x6521
118D	Caesar's Legions dp	1700	x17333
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2580
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x323
117D	Not Quick Transformation divide and conquer, math	2500	x334
117C	Cycle dfs and similar, graphs	2000	x2604
117B	Very Interesting Game brute force, number theory	1800	x1601
115E	Linear Kingdom Races data structures, dp	2400	x1534
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x382
115C	Plumber math	2200	x595
113E	Sleeping combinatorics, implementation, math	2700	x119
113D	Museum math, matrices, probabilities	2700	x674
113C	Double Happiness brute force, math, number theory	2200	x1232
113B	Petr# brute force, data structures, hashing, strings	2000	x2796
113A	Grammar Lessons implementation, strings	1600	x2286
111E	Petya and Rectangle	2900	x66
111D	Petya and Coloring combinatorics, dp	2300	x755
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1370
111B	Petya and Divisors binary search, data structures, number theory	1900	x3653
109E	Lucky Interval brute force, math	2700	x101
109D	Lucky Sorting constructive algorithms, sortings	2000	x798
109C	Lucky Tree dp, dsu, trees	1900	x3505
109B	Lucky Probability brute force, probabilities	1900	x1541
107E	Darts geometry, probabilities	2700	x135
107D	Crime Management dp, graphs, matrices	2400	x407
107C	Arrangement bitmasks, dp	2400	x369
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3444
106E	Space Rescuers geometry, ternary search	2100	x860
106D	Treasure Island brute force, implementation	1700	x1317
106C	Buns dp	1700	x5937
105E	Lift and Throw brute force	2500	x186
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x139
105C	Item World brute force, implementation, sortings	2200	x340
105B	Dark Assembly brute force, probabilities	1800	x809
105A	Transmigration implementation	1700	x1834
103E	Buying Sets flows, graph matchings	2900	x872
103D	Time to Raid Cowavans brute force, data structures, sortings	2100	x2109
103C	Russian Roulette constructive algorithms, greedy	1900	x950
101E	Candies and Stones divide and conquer, dp	2500	x486
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x682
101C	Vectors implementation, math	2000	x697
101B	Buses binary search, data structures, dp	1700	x2561
100J	Interval Coloring *special problem, greedy, math	2400	x62
100H	Battleship *special problem, dfs and similar, implementation	2100	x76
100G	Name the album *special problem, data structures, implementation	1800	x112
100F	Polynom *special problem, implementation	1800	x135
100E	Lamps in a Line *special problem, math	1600	x271
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	x123
98A	Help Victoria the Wise brute force, implementation	1700	x1182
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
95E	Lucky Country dp, dsu, graphs	2500	x1474
95D	Horse Races dp, math	2500	x425
95C	Volleyball shortest paths	1900	x2772
95B	Lucky Numbers dp, greedy	1800	x1211
95A	Hockey implementation, strings	1600	x1664
93E	Lostborn dp, math, number theory	2600	x498
93D	Flags dp, math, matrices	2500	x347