Problemset - Codeforces

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Codeforces Round 977 (Div. 2)
2 days
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Problems

#	Name
1037C	Equalize dp, greedy, strings	1300	x18820
1037B	Reach Median greedy	1300	x10380
1037A	Packets constructive algorithms, greedy, math	1300	x11141
1033B	Square Difference math, number theory	1100	x9735
1032B	Personalized Cup	1200	x4995
1030C	Vasya and Golden Ticket implementation	1300	x9434
1030B	Vasya and Cornfield geometry	1100	x12294
1029B	Creating the Contest dp, greedy, math	1200	x16871
1029A	Many Equal Substrings implementation, strings	1300	x12298
1028B	Unnatural Conditions constructive algorithms, math	1200	x9052
1027B	Numbers on the Chessboard implementation, math	1200	x8354
1023C	Bracket Subsequence greedy	1200	x9896
1023A	Single Wildcard Pattern Matching brute force, implementation, strings	1200	x8677
1017B	The Bits implementation, math	1200	x9137
1016B	Segment Occurrences brute force, implementation	1300	x9454
1015C	Songs Compression sortings	1100	x17970
1015B	Obtaining the String implementation	1200	x11570
1013B	And greedy	1200	x7639
1011B	Planning The Expedition binary search, brute force, implementation	1200	x10087
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12137
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x21107
1006B	Polycarp's Practice greedy, implementation, sortings	1200	x13226
1005C	Summarize to the Power of Two brute force, greedy, implementation	1300	x11668
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9499
1003C	Intense Heat brute force, implementation, math	1300	x10579
1003B	Binary String Constructing constructive algorithms	1300	x11323
1002D2	Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2	1300	x378
1002D1	Oracle for f(x) = b * x mod 2	1200	x403
1002B1	Distinguish zero state and W state	1300	x477
1002A2	Generate superposition of zero state and a basis state	1300	x558
1001H	Oracle for f(x) = parity of the number of 1s in x *special problem	1200	x532
1001F	Distinguish multi-qubit basis states *special problem	1300	x538
1001A	Generate plus state or minus state *special problem	1100	x1010
1000A	Codehorses T-shirts greedy, implementation	1200	x8752
999C	Alphabetic Removals implementation	1200	x18209
998B	Cutting dp, greedy, sortings	1200	x13104
996B	World Cup binary search, math	1300	x9032
990B	Micro-World greedy, sortings	1200	x8077
989B	A Tide of Riverscape constructive algorithms, strings	1200	x7047
988B	Substrings Sort sortings, strings	1100	x18430
987B	High School: Become Human math	1100	x11613
985B	Switches and Lamps implementation	1200	x7391
985A	Chess Placing implementation	1100	x8136
984B	Minesweeper implementation	1100	x7351
982B	Bus of Characters data structures, greedy, implementation	1300	x8283
982A	Row brute force, constructive algorithms	1200	x9063
977C	Less or Equal sortings	1200	x34537
976B	Lara Croft and the New Game implementation, math	1300	x5720
975B	Mancala brute force, implementation	1100	x6837
967A	Mind the Gap implementation	1100	x4364
965B	Battleship implementation	1300	x4571
964B	Messages math	1300	x4356
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7672
962A	Equator implementation	1300	x12795
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x20834
960A	Check the string implementation	1200	x8178
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1200	x9604
958C1	Encryption (easy) brute force	1200	x2897
957A	Tritonic Iridescence implementation	1300	x5762
955A	Feed the cat greedy, math	1100	x6654
950B	Intercepted Message greedy, implementation	1100	x7575
946C	String Transformation greedy, strings	1300	x8868
946B	Weird Subtraction Process math, number theory	1100	x10860
940A	Points on the line brute force, greedy, sortings	1200	x8285
938B	Run For Your Prize brute force, greedy	1100	x8826
934B	A Prosperous Lot constructive algorithms, implementation	1200	x8663
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x8104
931B	World Cup constructive algorithms, implementation	1200	x7103
929B	Места в самолёте *special problem, implementation	1300	x2044
928A	Login Verification *special problem, strings	1200	x3389
926A	2-3-numbers implementation, math	1300	x3756
924A	Mystical Mosaic greedy, implementation	1300	x5046
922B	Magic Forest brute force	1300	x8472
922A	Cloning Toys implementation	1300	x11532
920B	Tea Queue implementation	1200	x7298
919C	Seat Arrangements brute force, implementation	1300	x8967
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x28072
915B	Browser implementation	1300	x7735
914B	Conan and Agasa play a Card Game games, greedy, implementation	1200	x8611
913B	Christmas Spruce implementation, trees	1200	x16030
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x12018
911B	Two Cakes binary search, brute force, implementation	1200	x11366
911A	Nearest Minimums implementation	1100	x11448
909B	Segments constructive algorithms, math	1300	x6384
908B	New Year and Buggy Bot brute force, implementation	1200	x7644
907A	Masha and Bears brute force, implementation	1300	x5694
903C	Boxes Packing greedy	1200	x17342
903B	The Modcrab greedy, implementation	1200	x7732
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10805
902A	Visiting a Friend greedy, implementation	1100	x9805
900B	Position in Fraction math, number theory	1300	x7826
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8456
899B	Months and Years implementation	1200	x5880
898B	Proper Nutrition brute force, implementation, number theory	1100	x9566
897B	Chtholly's request brute force	1300	x7174
895A	Pizza Separation brute force, implementation	1200	x6539
893C	Rumor dfs and similar, graphs, greedy	1300	x23037
892B	Wrath greedy, implementation, two pointers	1200	x8976
887B	Cubes for Masha brute force, implementation	1300	x5625
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5474