Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
36:49:09
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Problems

#	Name
129A	Cookies implementation	900	x22006
128E	Birthday geometry, math	2900	x97
128D	Numbers constructive algorithms, implementation	2000	x1094
128C	Games with Rectangle combinatorics, dp	2000	x2736
128B	String brute force, constructive algorithms, hashing, implementation, string suffix structures, strings	2100	x2478
128A	Statues dfs and similar	1500	x3139
127B	Canvas Frames implementation	1000	x8354
127A	Wasted Time geometry	900	x10847
126E	Pills brute force, flows	2900	x83
126D	Fibonacci Sums dp, math	2300	x810
126C	E-reader Display constructive algorithms, greedy	2000	x713
126B	Password binary search, dp, hashing, string suffix structures, strings	1700	x18270
126A	Hot Bath binary search, brute force, math	1900	x1422
125E	MST Company binary search, graphs	2400	x1027
125D	Two progressions constructive algorithms, greedy	2200	x394
125C	Hobbits' Party constructive algorithms, greedy	1600	x907
125B	Simple XML implementation	1000	x2797
125A	Measuring Lengths in Baden math	1400	x2650
124B	Permutations brute force, combinatorics, implementation	1400	x3814
124A	The number of positions math	1000	x36849
123E	Maze dfs and similar, dp, probabilities, trees	2500	x697
123D	String string suffix structures	2300	x1185
123C	Brackets combinatorics, dp, greedy	2300	x593
123B	Squares math	1800	x1101
123A	Prime Permutation implementation, number theory, strings	1300	x3534
122B	Lucky Substring brute force, implementation	1000	x12106
122A	Lucky Division brute force, number theory	1000	x118203
121E	Lucky Array data structures	2400	x1661
121D	Lucky Segments binary search, implementation, two pointers	2500	x273
121C	Lucky Permutation brute force, combinatorics, number theory	1900	x1273
121B	Lucky Transformation strings	1500	x2538
121A	Lucky Sum implementation	1100	x8904
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x910
120I	Luck is in Numbers greedy	2200	x303
120H	Brevity is Soul of Wit graph matchings	1800	x1360
120G	Boom implementation	1800	x683
120F	Spiders dp, greedy, trees	1400	x3527
120E	Put Knight! games, math	1400	x2658
120D	Three Sons brute force	1400	x1907
120C	Winnie-the-Pooh and honey implementation, math	1100	x3598
120B	Quiz League implementation	1100	x3373
120A	Elevator brute force, implementation, math	1000	x4515
119E	Alternative Reality geometry	2400	x94
119D	String Transformation hashing, strings	2500	x479
119C	Education Reform dp	2000	x872
119B	Before Exam constructive algorithms, implementation, sortings	1900	x1069
119A	Epic Game implementation	800	x27050
118E	Bertown roads dfs and similar, graphs	2000	x6267
118D	Caesar's Legions dp	1700	x16920
118C	Fancy Number brute force, greedy, sortings, strings	1900	x2536
118B	Present from Lena constructive algorithms, implementation	1000	x28938
118A	String Task implementation, strings	1000	x184504
117E	Tree or not Tree data structures, divide and conquer, implementation, trees	2900	x316
117D	Not Quick Transformation divide and conquer, math	2500	x331
117C	Cycle dfs and similar, graphs	2000	x2560
117B	Very Interesting Game brute force, number theory	1800	x1541
117A	Elevator implementation, math	1300	x1981
116B	Little Pigs and Wolves greedy, implementation	1100	x13513
116A	Tram implementation	800	x134760
115E	Linear Kingdom Races data structures, dp	2400	x1396
115D	Unambiguous Arithmetic Expression dp, expression parsing	2600	x379
115C	Plumber math	2200	x589
115B	Lawnmower greedy, sortings	1500	x2442
115A	Party dfs and similar, graphs, trees	900	x33286
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3555
114A	Cifera math	1000	x13927
113E	Sleeping combinatorics, implementation, math	2700	x117
113D	Museum math, matrices, probabilities	2700	x655
113C	Double Happiness brute force, math, number theory	2200	x1207
113B	Petr# brute force, data structures, hashing, strings	2000	x2751
113A	Grammar Lessons implementation, strings	1600	x2243
112B	Petya and Square implementation, math	1200	x4088
112A	Petya and Strings implementation, strings	800	x213654
111E	Petya and Rectangle	2900	x65
111D	Petya and Coloring combinatorics, dp	2300	x724
111C	Petya and Spiders bitmasks, dp, dsu	2100	x1307
111B	Petya and Divisors binary search, data structures, number theory	1900	x3571
111A	Petya and Inequiations greedy	1400	x4664
110B	Lucky String constructive algorithms, strings	1100	x10028
110A	Nearly Lucky Number implementation	800	x145927
109E	Lucky Interval brute force, math	2700	x100
109D	Lucky Sorting constructive algorithms, sortings	2000	x617
109C	Lucky Tree dp, dsu, trees	1900	x3216
109B	Lucky Probability brute force, probabilities	1900	x1335
109A	Lucky Sum of Digits brute force, implementation	1000	x16862
108B	Datatypes math, sortings	1400	x2426
108A	Palindromic Times implementation, strings	1000	x9242
107E	Darts geometry, probabilities	2700	x128
107D	Crime Management dp, graphs, matrices	2400	x402
107C	Arrangement bitmasks, dp	2400	x363
107B	Basketball Team combinatorics, dp, math, probabilities	1600	x3323
107A	Dorm Water Supply dfs and similar, graphs	1400	x4982
106E	Space Rescuers geometry, ternary search	2100	x841
106D	Treasure Island brute force, implementation	1700	x1297
106C	Buns dp	1700	x5778
106B	Choosing Laptop brute force, implementation	1000	x5976
106A	Card Game implementation	1000	x7482
105E	Lift and Throw brute force	2500	x183
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x136
105C	Item World brute force, implementation, sortings	2200	x271