Problemset - Codeforces

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Codeforces Round #523 (Div. 2)
3 days

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Problems

#	Name
1078E	Negative Time Summation		x6
1077F2	Pictures with Kittens (hard version) data structures, dp	2300	x441
1077F1	Pictures with Kittens (easy version) dp	2100	x727
1077E	Thematic Contests greedy, sortings	1800	x1267
1077D	Cutting Out binary search, sortings	1600	x1952
1077C	Good Array	1400	x3831
1077B	Disturbed People greedy	1000	x5632
1077A	Frog Jumping math	700	x6712
1076G	Array Game data structures, games	2700	x52
1076F	Summer Practice Report dp, greedy	2500	x237
1076E	Vasya and a Tree data structures, trees	1900	x1197
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x1565
1076C	Meme Problem binary search, math	1300	x4393
1076B	Divisor Subtraction implementation, math, number theory	1200	x4834
1076A	Minimizing the String greedy, strings	1200	x5133
1075B	Taxi drivers and Lyft implementation, sortings	1200	x2628
1075A	The King's Race implementation, math	900	x3743
1073G	Yet Another LCP Problem data structures, string suffix structures	2700	x129
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2800	x170
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x794
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x3163
1073C	Vasya and Robot binary search, two pointers	1800	x2203
1073B	Vasya and Books implementation, math	1100	x6157
1073A	Diverse Substring implementation, strings	1000	x6984
1071E	Rain Protection binary search, geometry	3500	x19
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3100	x30
1070L	Odd Federalization constructive algorithms	2800	x96
1070K	Video Posts implementation	1200	x2683
1070J	Streets and Avenues in Berhattan dp	2600	x353
1070I	Privatization of Roads in Berland flows, graphs	2600	x244
1070H	BerOS File Suggestion brute force	1600	x2186
1070G	Monsters and Potions brute force, dp, greedy	2500	x527
1070F	Debate greedy	1600	x2067
1070E	Getting Deals Done binary search, data structures	2300	x708
1070D	Garbage Disposal greedy	1400	x2628
1070C	Cloud Computing data structures, greedy	2000	x1097
1070B	Berkomnadzor data structures, greedy	2500	x317
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x1020
1068C	Colored Rooks constructive algorithms, graphs	1700	x1649
1068B	LCM math	1200	x4241
1068A	Birthday math	1300	x3558
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x86
1067D	Computer Game dp, greedy, math, probabilities	2800	x47
1067C	Knights constructive algorithms	2800	x280
1067B	Multihedgehog dfs and similar	2000	x1059
1067A	Array Without Local Maximums dp	2000	x1063
1066F	Yet another 2D Walking dp	2300	x673
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x2260
1066D	Boxes Packing binary search, implementation	1700	x2154
1066C	Books Queries implementation	1400	x3810
1066B	Heaters two pointers	1500	x3276
1066A	Vova and Train math	1100	x6291
1065G	Fibonacci Suffix strings	2800	x61
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x361
1065E	Side Transmutations combinatorics, strings	2200	x462
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x686
1065C	Make It Equal greedy	1500	x3607
1065B	Vasya and Isolated Vertices constructive algorithms	1300	x5157
1065A	Vasya and Chocolate math	800	x7418
1064B	Equations of Mathematical Magic math	1200	x4949
1064A	Make a triangle! brute force, geometry, math	700	x6801
1063F	String Journey data structures, dp, string suffix structures	3000	x87
1063E	Lasers and Mirrors constructive algorithms, math	3000	x103
1063D	Candies for Children brute force, math	2800	x210
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms	1900	x1550
1063B	Labyrinth graphs, shortest paths	1800	x2636
1063A	Oh Those Palindromes constructive algorithms, strings	1400	x5393
1062F	Upgrading Cities dfs and similar, graphs	3000	x49
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x528
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x1609
1062C	Banh-mi greedy, implementation, math	1600	x2590
1062B	Math greedy, math, number theory	1600	x2881
1062A	A Prank greedy, implementation	1400	x3820
1060H	Sophisticated Device constructive algorithms	2900	x45
1060G	Balls and Pockets data structures	3300	x22
1060F	Shrinking Tree combinatorics, dp	2800	x123
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x1303
1060D	Social Circles greedy, math	1900	x2137
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x2817
1060B	Maximum Sum of Digits greedy	1100	x4991
1060A	Phone Numbers brute force	800	x6293
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x569
1059D	Nature Reserve binary search, geometry, ternary search	2200	x1339
1059C	Sequence Transformation constructive algorithms, math	1500	x3788
1059B	Forgery implementation	1300	x4564
1059A	Cashier implementation	1000	x6692
1057C	Tanya and Colored Candies dp	2300	x274
1057B	DDoS brute force	1800	x910
1057A	Bmail Computer Network dfs and similar, trees	1700	x1578
1055G	Jellyfish Nightmare	3100	x13
1055F	Tree and XOR strings, trees	2800	x112
1055E	Segments on the Line binary search, dp	2400	x273
1055D	Refactoring greedy, implementation, strings	2300	x370
1055C	Lucky Days math, number theory	1900	x1045
1055B	Alice and Hairdresser dsu, implementation	1300	x2648
1055A	Metro graphs	1000	x3501
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3400	x21
1054G	New Road Network constructive algorithms, greedy, math	2900	x42
1054F	Electric Scheme flows, graph matchings	2600	x138
1054E	Chips Puzzle constructive algorithms, implementation, math	2400	x292

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