Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
32:25:46
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Problems

#	Name
131B	Opposites Attract implementation, math	1200	x7052
131A	cAPS lOCK implementation, strings	1000	x86365
130J	Date calculation *special problem	1800	x341
130I	Array sorting *special problem, sortings	2300	x167
130H	Balanced brackets *special problem	1600	x605
130G	CAPS LOCK ON *special problem	1700	x284
130F	Prime factorization *special problem	1600	x278
130E	Tribonacci numbers *special problem	1600	x296
130D	Exponentiation *special problem	1500	x393
130C	Decimal sum *special problem	1500	x501
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x531
130A	Hexagonal numbers *special problem, implementation	900	x1629
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x12327
129A	Cookies implementation	900	x22845
128E	Birthday geometry, math	2900	x99
128D	Numbers constructive algorithms, implementation	2000	x1147
128C	Games with Rectangle combinatorics, dp	2000	x2968
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2598
128A	Statues dfs and similar	1500	x3211
127B	Canvas Frames implementation	1000	x8877
127A	Wasted Time geometry	900	x11291
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x835
126C	E-reader Display constructive algorithms, greedy	2000	x723
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x19660
126A	Hot Bath binary search, brute force, math	1900	x1435
125E	MST Company binary search, graphs	2400	x1090
125D	Two progressions constructive algorithms, greedy	2200	x416
125C	Hobbits' Party constructive algorithms, greedy	1600	x932
125B	Simple XML implementation	1000	x2940
125A	Measuring Lengths in Baden math	1400	x2735
124B	Permutations brute force, combinatorics, implementation	1400	x3945
124A	The number of positions math	1000	x38705
123E	Maze dfs and similar, dp, probabilities, trees	2500	x724
123D	String string suffix structures	2300	x1231
123C	Brackets combinatorics, dp, greedy	2300	x612
123B	Squares math	1800	x1131
123A	Prime Permutation implementation, number theory, strings	1300	x3634
122B	Lucky Substring brute force, implementation	1000	x12371
122A	Lucky Division brute force, number theory	1000	x124925
121E	Lucky Array data structures	2400	x1731
121D	Lucky Segments binary search, implementation, two pointers	2500	x277
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1288
121B	Lucky Transformation strings	1500	x2577
121A	Lucky Sum implementation	1100	x9272
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x923
120I	Luck is in Numbers greedy	2200	x304
120H	Brevity is Soul of Wit graph matchings	1800	x1413
120G	Boom implementation	1800	x690
120F	Spiders dp, greedy, trees	1400	x3624
120E	Put Knight! games, math	1400	x2740
120D	Three Sons brute force	1400	x1935
120C	Winnie-the-Pooh and honey implementation, math	1100	x3679
120B	Quiz League implementation	1100	x3437
120A	Elevator brute force, implementation, math	1000	x4833
119E	Alternative Reality geometry	2400	x95
119D	String Transformation hashing, strings	2500	x499
119C	Education Reform dp	2000	x927
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1079
119A	Epic Game implementation	800	x27502
118E	Bertown roads dfs and similar, graphs	2000	x6720
118D	Caesar's Legions dp	1700	x17565
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2600
118B	Present from Lena constructive algorithms, implementation	1000	x30183
118A	String Task implementation, strings	1000	x194593
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
117A	Elevator implementation, math	1300	x2023
116B	Little Pigs and Wolves greedy, implementation	1100	x13782
116A	Tram implementation	800	x143844
115E	Linear Kingdom Races data structures, dp	2400	x1591
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x399
115C	Plumber math	2200	x600
115B	Lawnmower greedy, sortings	1500	x2615
115A	Party dfs and similar, graphs, trees	900	x34893
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3713
114A	Cifera math	1000	x14186
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
112B	Petya and Square implementation, math	1200	x4170
112A	Petya and Strings implementation, strings	800	x228082
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	x3690
111A	Petya and Inequiations greedy	1400	x4793
110B	Lucky String constructive algorithms, strings	1100	x10239
110A	Nearly Lucky Number implementation	800	x157390
109E	Lucky Interval brute force, math	2700	x101
109D	Lucky Sorting constructive algorithms, sortings	2000	x813
109C	Lucky Tree dp, dsu, trees	1900	x3596
109B	Lucky Probability brute force, probabilities	1900	x1556
109A	Lucky Sum of Digits brute force, implementation	1000	x17738
108B	Datatypes math, sortings	1400	x2469
108A	Palindromic Times implementation, strings	1000	x9394