Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
26:23:33
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Problems

#	Name
1073C	Vasya and Robot binary search, two pointers	1800	x4557
1073B	Vasya and Books implementation, math	1000	x10430
1073A	Diverse Substring implementation, strings	1000	x14928
1071E	Rain Protection binary search, geometry	3500	x90
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x64
1070L	Odd Federalization constructive algorithms	2600	x283
1070K	Video Posts implementation	1100	x4832
1070J	Streets and Avenues in Berhattan dp	2300	x679
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x532
1070H	BerOS File Suggestion brute force, implementation	1500	x3614
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x816
1070F	Debate greedy	1500	x3569
1070E	Getting Deals Done binary search, data structures	2100	x1191
1070D	Garbage Disposal greedy	1300	x4852
1070C	Cloud Computing data structures, greedy	2000	x1996
1070B	Berkomnadzor data structures, greedy	2400	x469
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2262
1068C	Colored Rooks constructive algorithms, graphs	1700	x3117
1068B	LCM math, number theory	1200	x11118
1068A	Birthday math	1400	x6634
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1067D	Computer Game dp, greedy, math, probabilities	3100	x355
1067C	Knights constructive algorithms	2600	x610
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2560
1067A	Array Without Local Maximums dp	1900	x2788
1066F	Yet another 2D Walking dp	2100	x1768
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6016
1066D	Boxes Packing binary search, implementation	1800	x5316
1066C	Books Queries implementation	1400	x9417
1066B	Heaters greedy, two pointers	1500	x8092
1066A	Vova and Train math	1100	x14291
1065G	Fibonacci Suffix strings	2700	x239
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1141
1065E	Side Transmutations combinatorics, strings	2300	x1021
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1272
1065C	Make It Equal greedy	1600	x7655
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10769
1065A	Vasya and Chocolate implementation, math	800	x14559
1064B	Equations of Mathematical Magic math	1200	x7455
1064A	Make a triangle! brute force, geometry, math	800	x21726
1063F	String Journey data structures, dp, string suffix structures	3300	x802
1063E	Lasers and Mirrors constructive algorithms, math	3000	x330
1063D	Candies for Children brute force, math	2600	x420
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2792
1063B	Labyrinth graphs, shortest paths	1800	x7084
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10227
1062F	Upgrading Cities dfs and similar, graphs	2900	x555
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1709
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3869
1062C	Banh-mi greedy, implementation, math	1600	x5317
1062B	Math greedy, math, number theory	1500	x8434
1062A	A Prank greedy, implementation	1300	x8677
1061F	Lost Root interactive, probabilities	2400	x687
1061E	Politics flows, graphs	2600	x511
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2296
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8387
1061B	Views Matter greedy, implementation, sortings	1400	x7228
1061A	Coins greedy, implementation, math	800	x21345
1060H	Sophisticated Device constructive algorithms	3300	x210
1060G	Balls and Pockets data structures	3400	x134
1060F	Shrinking Tree combinatorics, dp	2900	x544
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x2985
1060D	Social Circles greedy, math	1900	x3567
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4810
1060B	Maximum Sum of Digits greedy	1100	x8786
1060A	Phone Numbers brute force	800	x13728
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1354
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2544
1059C	Sequence Transformation constructive algorithms, math	1600	x6979
1059B	Forgery implementation	1300	x6908
1059A	Cashier implementation	1000	x12442
1057C	Tanya and Colored Candies *special problem, dp	2000	x869
1057B	DDoS *special problem, brute force	1400	x1795
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5775
1056H	Detect Robots data structures, strings	3200	x146
1056G	Take Metro brute force, data structures, graphs	2900	x238
1056F	Write The Contest binary search, dp, math	2500	x466
1056E	Check Transcription brute force, data structures, hashing, strings	2100	x1988
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5682
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2320
1056B	Divide Candies math, number theory	1600	x4076
1056A	Determine Line implementation	800	x6543
1055G	Jellyfish Nightmare	3500	x75
1055F	Tree and XOR strings, trees	2900	x447
1055E	Segments on the Line binary search, dp	2500	x711
1055D	Refactoring greedy, implementation, strings	2400	x616
1055C	Lucky Days math, number theory	1900	x1843
1055B	Alice and Hairdresser dsu, implementation	1300	x4898
1055A	Metro graphs	900	x10397
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x174
1054G	New Road Network constructive algorithms, greedy, math	3300	x262
1054F	Electric Scheme flows, graph matchings	2700	x306
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x479
1054D	Changing Array greedy, implementation	1900	x2215
1054C	Candies Distribution constructive algorithms, implementation	1500	x4230
1054B	Appending Mex implementation	1000	x6452
1054A	Elevator or Stairs? implementation	800	x8976
1053E	Euler tour constructive algorithms, trees	3500	x194
1051G	Distinctification data structures, dsu, greedy	2900	x375
1051F	The Shortest Statement graphs, shortest paths, trees	2400	x2682