Problemset - Codeforces

Problems

#	Name
1080E	Sonya and Matrix Beauty strings	2400	x1128
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1561
1080C	Masha and two friends implementation	1500	x4060
1080B	Margarite and the best present math	900	x11848
1080A	Petya and Origami math	800	x18229
1078E	Negative Time Summation constructive algorithms	3400	x88
1077F2	Pictures with Kittens (hard version) data structures, dp	2100	x3382
1077F1	Pictures with Kittens (easy version) dp	1900	x4481
1077E	Thematic Contests greedy, sortings	1800	x4738
1077D	Cutting Out binary search, sortings	1600	x8991
1077C	Good Array	1300	x17720
1077B	Disturbed People greedy	1000	x19095
1077A	Frog Jumping math	800	x30151
1076G	Array Game data structures, games	3000	x594
1076F	Summer Practice Report dp, greedy	2500	x646
1076E	Vasya and a Tree data structures, trees	1900	x3784
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x5267
1076C	Meme Problem binary search, math	1300	x12515
1076B	Divisor Subtraction implementation, math, number theory	1200	x13120
1076A	Minimizing the String greedy, strings	1200	x13176
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4262
1075A	The King's Race implementation, math	800	x8565
1073G	Yet Another LCP Problem data structures, string suffix structures	2600	x926
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x547
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2658
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6435
1073C	Vasya and Robot binary search, two pointers	1800	x4816
1073B	Vasya and Books implementation, math	1000	x10600
1073A	Diverse Substring implementation, strings	1000	x15621
1071E	Rain Protection binary search, geometry	3500	x146
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x69
1070L	Odd Federalization constructive algorithms	2600	x302
1070K	Video Posts implementation	1100	x4955
1070J	Streets and Avenues in Berhattan dp	2300	x700
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x726
1070H	BerOS File Suggestion brute force, implementation	1500	x3666
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x844
1070F	Debate greedy	1500	x3659
1070E	Getting Deals Done binary search, data structures	2100	x1388
1070D	Garbage Disposal greedy	1300	x4925
1070C	Cloud Computing data structures, greedy	2000	x2061
1070B	Berkomnadzor data structures, greedy	2400	x652
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2373
1068C	Colored Rooks constructive algorithms, graphs	1700	x3196
1068B	LCM math, number theory	1200	x11693
1068A	Birthday math	1400	x6851
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x454
1067D	Computer Game dp, greedy, math, probabilities	3100	x407
1067C	Knights constructive algorithms	2600	x661
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2711
1067A	Array Without Local Maximums dp	1900	x2898
1066F	Yet another 2D Walking dp	2100	x2073
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6190
1066D	Boxes Packing binary search, implementation	1800	x5508
1066C	Books Queries implementation	1400	x9713
1066B	Heaters greedy, two pointers	1500	x8376
1066A	Vova and Train math	1100	x14611
1065G	Fibonacci Suffix strings	2700	x256
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1192
1065E	Side Transmutations combinatorics, strings	2300	x1082
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1325
1065C	Make It Equal greedy	1600	x7863
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10965
1065A	Vasya and Chocolate implementation, math	800	x14693
1064B	Equations of Mathematical Magic math	1200	x7559
1064A	Make a triangle! brute force, geometry, math	800	x22642
1063F	String Journey data structures, dp, string suffix structures	3300	x891
1063E	Lasers and Mirrors constructive algorithms, math	3000	x356
1063D	Candies for Children brute force, math	2600	x435
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x3070
1063B	Labyrinth graphs, shortest paths	1800	x7605
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10392
1062F	Upgrading Cities dfs and similar, graphs	2900	x665
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1804
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3969
1062C	Banh-mi greedy, implementation, math	1600	x5475
1062B	Math greedy, math, number theory	1500	x8873
1062A	A Prank greedy, implementation	1300	x8833
1061F	Lost Root interactive, probabilities	2400	x755
1061E	Politics flows, graphs	2600	x535
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2377
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x9027
1061B	Views Matter greedy, implementation, sortings	1400	x7317
1061A	Coins greedy, implementation, math	800	x22096
1060H	Sophisticated Device constructive algorithms	3300	x213
1060G	Balls and Pockets data structures	3400	x159
1060F	Shrinking Tree combinatorics, dp	2900	x604
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x3189
1060D	Social Circles greedy, math	1900	x3646
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4910
1060B	Maximum Sum of Digits greedy	1100	x8983
1060A	Phone Numbers brute force	800	x14273
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1451
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2779
1059C	Sequence Transformation constructive algorithms, math	1600	x7172
1059B	Forgery implementation	1300	x7094
1059A	Cashier implementation	1000	x12900
1057C	Tanya and Colored Candies *special problem, dp	2000	x942
1057B	DDoS *special problem, brute force	1400	x1841
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x6188