Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
28:58:33
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Problems

#	Name
1070C	Cloud Computing data structures, greedy	2000	x2003
1070B	Berkomnadzor data structures, greedy	2400	x497
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2271
1068C	Colored Rooks constructive algorithms, graphs	1700	x3127
1068B	LCM math, number theory	1200	x11227
1068A	Birthday math	1400	x6682
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x430
1067D	Computer Game dp, greedy, math, probabilities	3100	x364
1067C	Knights constructive algorithms	2600	x615
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2616
1067A	Array Without Local Maximums dp	1900	x2804
1066F	Yet another 2D Walking dp	2100	x1835
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6049
1066D	Boxes Packing binary search, implementation	1800	x5350
1066C	Books Queries implementation	1400	x9488
1066B	Heaters greedy, two pointers	1500	x8167
1066A	Vova and Train math	1100	x14377
1065G	Fibonacci Suffix strings	2700	x243
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1146
1065E	Side Transmutations combinatorics, strings	2300	x1033
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1275
1065C	Make It Equal greedy	1600	x7691
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10818
1065A	Vasya and Chocolate implementation, math	800	x14573
1064B	Equations of Mathematical Magic math	1200	x7470
1064A	Make a triangle! brute force, geometry, math	800	x21967
1063F	String Journey data structures, dp, string suffix structures	3300	x810
1063E	Lasers and Mirrors constructive algorithms, math	3000	x337
1063D	Candies for Children brute force, math	2600	x423
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2816
1063B	Labyrinth graphs, shortest paths	1800	x7176
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10267
1062F	Upgrading Cities dfs and similar, graphs	2900	x570
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1727
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3896
1062C	Banh-mi greedy, implementation, math	1600	x5341
1062B	Math greedy, math, number theory	1500	x8514
1062A	A Prank greedy, implementation	1300	x8704
1061F	Lost Root interactive, probabilities	2400	x719
1061E	Politics flows, graphs	2600	x522
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2305
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8505
1061B	Views Matter greedy, implementation, sortings	1400	x7250
1061A	Coins greedy, implementation, math	800	x21440
1060H	Sophisticated Device constructive algorithms	3300	x212
1060G	Balls and Pockets data structures	3400	x145
1060F	Shrinking Tree combinatorics, dp	2900	x551
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x3023
1060D	Social Circles greedy, math	1900	x3581
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4835
1060B	Maximum Sum of Digits greedy	1100	x8812
1060A	Phone Numbers brute force	800	x13814
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1365
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2575
1059C	Sequence Transformation constructive algorithms, math	1600	x7007
1059B	Forgery implementation	1300	x6939
1059A	Cashier implementation	1000	x12612
1057C	Tanya and Colored Candies *special problem, dp	2000	x879
1057B	DDoS *special problem, brute force	1400	x1805
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5860
1056H	Detect Robots data structures, strings	3200	x149
1056G	Take Metro brute force, data structures, graphs	2900	x246
1056F	Write The Contest binary search, dp, math	2500	x467
1056E	Check Transcription brute force, data structures, hashing, strings	2100	x2055
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5740
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2328
1056B	Divide Candies math, number theory	1600	x4159
1056A	Determine Line implementation	800	x6564
1055G	Jellyfish Nightmare	3500	x77
1055F	Tree and XOR strings, trees	2900	x452
1055E	Segments on the Line binary search, dp	2500	x716
1055D	Refactoring greedy, implementation, strings	2400	x618
1055C	Lucky Days math, number theory	1900	x1847
1055B	Alice and Hairdresser dsu, implementation	1300	x4938
1055A	Metro graphs	900	x10485
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x176
1054G	New Road Network constructive algorithms, greedy, math	3300	x265
1054F	Electric Scheme flows, graph matchings	2700	x308
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x480
1054D	Changing Array greedy, implementation	1900	x2221
1054C	Candies Distribution constructive algorithms, implementation	1500	x4241
1054B	Appending Mex implementation	1000	x6474
1054A	Elevator or Stairs? implementation	800	x9000
1053E	Euler tour constructive algorithms, trees	3500	x197
1051G	Distinctification data structures, dsu, greedy	2900	x380
1051F	The Shortest Statement graphs, shortest paths, trees	2400	x2719
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x907
1051D	Bicolorings bitmasks, dp	1700	x7269
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9188
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x16759
1051A	Vasya And Password greedy, implementation, strings	1200	x8343
1047B	Cover Points geometry, math	900	x16981
1047A	Little C Loves 3 I math	800	x19647
1046I	Say Hello geometry	2300	x308
1046F	Splitting money implementation	1400	x2736
1046C	Space Formula greedy	1400	x3048
1045J	Moonwalk challenge data structures, strings, trees	2600	x166
1045I	Palindrome Pairs hashing, strings	1600	x4235
1045H	Self-exploration math	2400	x366
1045G	AI robots data structures	2200	x1556