Problemset - Codeforces

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Codeforces Round (Div. 3)
6 days

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Problems

#	Name
1066C	Books Queries implementation	1400	x9466
1066B	Heaters greedy, two pointers	1500	x8144
1066A	Vova and Train math	1100	x14345
1065G	Fibonacci Suffix strings	2700	x243
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1145
1065E	Side Transmutations combinatorics, strings	2300	x1031
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1275
1065C	Make It Equal greedy	1600	x7683
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10804
1065A	Vasya and Chocolate implementation, math	800	x14572
1064B	Equations of Mathematical Magic math	1200	x7467
1064A	Make a triangle! brute force, geometry, math	800	x21836
1063F	String Journey data structures, dp, string suffix structures	3300	x807
1063E	Lasers and Mirrors constructive algorithms, math	3000	x337
1063D	Candies for Children brute force, math	2600	x422
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2795
1063B	Labyrinth graphs, shortest paths	1800	x7154
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10263
1062F	Upgrading Cities dfs and similar, graphs	2900	x570
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1726
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3882
1062C	Banh-mi greedy, implementation, math	1600	x5336
1062B	Math greedy, math, number theory	1500	x8491
1062A	A Prank greedy, implementation	1300	x8701
1061F	Lost Root interactive, probabilities	2400	x717
1061E	Politics flows, graphs	2600	x522
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2304
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8478
1061B	Views Matter greedy, implementation, sortings	1400	x7246
1061A	Coins greedy, implementation, math	800	x21415
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	x3015
1060D	Social Circles greedy, math	1900	x3577
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4831
1060B	Maximum Sum of Digits greedy	1100	x8807
1060A	Phone Numbers brute force	800	x13786
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1362
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2545
1059C	Sequence Transformation constructive algorithms, math	1600	x7002
1059B	Forgery implementation	1300	x6934
1059A	Cashier implementation	1000	x12561
1057C	Tanya and Colored Candies *special problem, dp	2000	x875
1057B	DDoS *special problem, brute force	1400	x1802
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5843
1056H	Detect Robots data structures, strings	3200	x149
1056G	Take Metro brute force, data structures, graphs	2900	x245
1056F	Write The Contest binary search, dp, math	2500	x467
1056E	Check Transcription brute force, data structures, hashing, strings	2100	x2043
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5721
1056C	Pick Heroes greedy, implementation, interactive, sortings	1700	x2327
1056B	Divide Candies math, number theory	1600	x4154
1056A	Determine Line implementation	800	x6562
1055G	Jellyfish Nightmare	3500	x76
1055F	Tree and XOR strings, trees	2900	x451
1055E	Segments on the Line binary search, dp	2500	x716
1055D	Refactoring greedy, implementation, strings	2400	x618
1055C	Lucky Days math, number theory	1900	x1845
1055B	Alice and Hairdresser dsu, implementation	1300	x4923
1055A	Metro graphs	900	x10473
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	x2220
1054C	Candies Distribution constructive algorithms, implementation	1500	x4235
1054B	Appending Mex implementation	1000	x6466
1054A	Elevator or Stairs? implementation	800	x8991
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	x2708
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x905
1051D	Bicolorings bitmasks, dp	1700	x7202
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9177
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x16721
1051A	Vasya And Password greedy, implementation, strings	1200	x8338
1047B	Cover Points geometry, math	900	x16945
1047A	Little C Loves 3 I math	800	x19634
1046I	Say Hello geometry	2300	x307
1046F	Splitting money implementation	1400	x2731
1046C	Space Formula greedy	1400	x3043
1045J	Moonwalk challenge data structures, strings, trees	2600	x166
1045I	Palindrome Pairs hashing, strings	1600	x4212
1045H	Self-exploration math	2400	x366
1045G	AI robots data structures	2200	x1553
1045F	Shady Lady geometry, math	3400	x98
1045E	Ancient civilizations constructive algorithms, geometry	3200	x121
1045D	Interstellar battle math, probabilities, trees	2200	x641
1045C	Hyperspace Highways dfs and similar, graphs, trees	2300	x653
1045B	Space Isaac hashing, number theory	2400	x503
1045A	Last chance data structures, flows, graph matchings, graphs, trees	2500	x324
1044F	DFS data structures	2700	x507
1044E	Grid Sort implementation	3100	x113
1044D	Deduction Queries data structures, dsu	2400	x976
1044C	Optimal Polygon Perimeter dp, geometry	2100	x1333
1044B	Intersecting Subtrees dfs and similar, interactive, trees	1900	x1552
1044A	The Tower is Going Home binary search, two pointers	1700	x2859
1043G	Speckled Band data structures, divide and conquer, hashing, string suffix structures, strings	3500	x217
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2210