Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
1096B	Substring Removal combinatorics, math, strings	1300	x10590
1095F	Make It Connected dsu, graphs, greedy	1900	x6150
1095E	Almost Regular Bracket Sequence implementation	1900	x4111
1095D	Circular Dance implementation	1600	x7554
1095C	Powers Of Two bitmasks, greedy	1400	x16822
1093D	Beautiful Graph dfs and similar, graphs	1700	x9096
1093C	Mishka and the Last Exam greedy	1300	x9351
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x8078
1092C	Prefixes and Suffixes strings	1700	x5927
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6766
1091C	New Year and the Sphere Transmission math, number theory	1400	x10010
1090D	Similar Arrays constructive algorithms	1800	x2058
1090B	LaTeX Expert	1900	x1394
1090A	Company Merging greedy	1300	x4192
1089G	Guest Student math	1500	x2893
1089F	Fractions math	1900	x1933
1089E	Easy Chess constructive algorithms	1700	x1971
1088C	Ehab and a 2-operation task constructive algorithms, greedy, math	1400	x8062
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5430
1085C	Connect Three implementation, math	1600	x5435
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x8089
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5427
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3807
1082C	Multi-Subject Competition greedy, sortings	1600	x5719
1082B	Vova and Trophies greedy	1600	x7567
1081E	Missing Numbers binary search, constructive algorithms, greedy, math, number theory	1900	x2589
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x4053
1081C	Colorful Bricks combinatorics, dp, math	1500	x7284
1081B	Farewell Party constructive algorithms, implementation	1500	x4453
1080C	Masha and two friends implementation	1500	x4042
1077F1	Pictures with Kittens (easy version) dp	1900	x4422
1077E	Thematic Contests greedy, sortings	1800	x4684
1077D	Cutting Out binary search, sortings	1600	x8885
1077C	Good Array	1300	x17281
1076E	Vasya and a Tree data structures, trees	1900	x3753
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x5200
1076C	Meme Problem binary search, math	1300	x12455
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6413
1073C	Vasya and Robot binary search, two pointers	1800	x4777
1070H	BerOS File Suggestion brute force, implementation	1500	x3651
1070F	Debate greedy	1500	x3602
1070D	Garbage Disposal greedy	1300	x4903
1068C	Colored Rooks constructive algorithms, graphs	1700	x3159
1068A	Birthday math	1400	x6813
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2668
1067A	Array Without Local Maximums dp	1900	x2869
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x6160
1066D	Boxes Packing binary search, implementation	1800	x5468
1066C	Books Queries implementation	1400	x9644
1066B	Heaters greedy, two pointers	1500	x8326
1065C	Make It Equal greedy	1600	x7812
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10903
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x3045
1063B	Labyrinth graphs, shortest paths	1800	x7447
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10350
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3952
1062C	Banh-mi greedy, implementation, math	1600	x5417
1062B	Math greedy, math, number theory	1500	x8738
1062A	A Prank greedy, implementation	1300	x8800
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8824
1061B	Views Matter greedy, implementation, sortings	1400	x7298
1060D	Social Circles greedy, math	1900	x3630
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4889
1059C	Sequence Transformation constructive algorithms, math	1600	x7116
1059B	Forgery implementation	1300	x7023
1057B	DDoS *special problem, brute force	1400	x1831
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5885
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2368
1056B	Divide Candies math, number theory	1600	x4214
1055C	Lucky Days math, number theory	1900	x1913
1055B	Alice and Hairdresser dsu, implementation	1300	x4997
1054D	Changing Array greedy, implementation	1900	x2247
1054C	Candies Distribution constructive algorithms, implementation	1500	x4282
1051D	Bicolorings bitmasks, dp	1700	x7401
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9277
1046F	Splitting money implementation	1400	x2771
1046C	Space Formula greedy	1400	x3106
1045I	Palindrome Pairs hashing, strings	1600	x4437
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1571
1044A	The Tower is Going Home binary search, two pointers	1700	x2898
1043E	Train Hard, Win Easy constructive algorithms, greedy, math, sortings	1900	x2732
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4442
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6872
1042D	Petya and Array data structures, divide and conquer, two pointers	1800	x6210
1042C	Array Product constructive algorithms, greedy, math	1700	x4707
1041E	Tree Reconstruction constructive algorithms, data structures, graphs, greedy	1900	x3587
1041D	Glider binary search, data structures, two pointers	1700	x5976
1041C	Coffee Break binary search, data structures, greedy, two pointers	1600	x9451
1040B	Shashlik Cooking dp, greedy, math	1300	x7067
1038D	Slime dp, greedy, implementation	1800	x8368
1038C	Gambling greedy, sortings	1300	x9428
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x14787
1037C	Equalize dp, greedy, strings	1300	x18827
1037B	Reach Median greedy	1300	x10384
1037A	Packets constructive algorithms, greedy, math	1300	x11145
1036D	Vasya and Arrays greedy, two pointers	1600	x9256
1036C	Classy Numbers combinatorics, dp	1900	x9582
1036B	Diagonal Walking v.2 math	1600	x5699
1034A	Enlarge GCD number theory	1800	x8706
1033C	Permutation Game brute force, dp, games	1600	x5580