Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
32:00:39
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Problems

#	Name
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x126
962F	Simple Cycles Edges dfs and similar, graphs, trees	2400	x1238
960H	Santa's Gift data structures, trees	3100	x257
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1830
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1736
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5698
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x617
955F	Heaps dp, trees	2600	x359
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x183
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x868
932D	Tree binary search, dp, trees	2200	x1648
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6842
928D	Autocompletion *special problem, strings, trees	1900	x803
925E	May Holidays data structures, trees	2900	x363
923F	Public Service constructive algorithms, graphs, trees	3200	x73
923C	Perfect Security data structures, greedy, strings, trees	1800	x4167
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x123
917D	Stranger Trees dp, math, matrices, trees	2600	x1038
916E	Jamie and Tree data structures, trees	2400	x1594
916D	Jamie and To-do List data structures, interactive, trees	2200	x492
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2320
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x233
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1403
913B	Christmas Spruce implementation, trees	1200	x15500
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1570
901A	Hashing Trees constructive algorithms, trees	1500	x5017
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1108
893F	Subtree Minimum Query data structures, trees	2300	x1686
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x170
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5438
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4273
871E	Restore the Tree graphs, greedy, trees	2900	x148
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x987
868E	Policeman and a Tree dp, graphs, trees	2700	x466
864F	Cities Excursions dfs and similar, graphs, trees	2700	x581
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x16171
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x425
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1649
859D	Third Month Insanity dp, probabilities, trees	2100	x911
856D	Masha and Cactus dp, trees	2400	x372
856B	Similar Words dp, hashing, strings, trees	2300	x479
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x200
855D	Rowena Ravenclaw's Diadem trees	2500	x476
855C	Helga Hufflepuff's Cup dp, trees	2000	x1994
852I	Dating brute force, dfs and similar, graphs, trees	2300	x558
847L	Berland SU Computer Network constructive algorithms, dfs and similar, graphs, hashing, trees	2400	x316
846E	Chemistry in Berland dfs and similar, greedy, trees	2300	x857
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x347
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x398
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3423
840E	In a Trap trees	3200	x443
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16016
838B	Diverging Directions data structures, dfs and similar, trees	2100	x704
835F	Roads in the Kingdom dfs and similar, dp, graphs, trees	2500	x1011
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x376
832D	Misha, Grisha and Underground dfs and similar, graphs, trees	1900	x3630
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x273
830D	Singer House combinatorics, dp, graphs, trees	2800	x810
827D	Best Edge Weight data structures, dfs and similar, graphs, trees	2700	x1072
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3442
825G	Tree Queries dfs and similar, graphs, trees	2500	x1149
822F	Madness constructive algorithms, dfs and similar, trees	2500	x289
821C	Okabe and Boxes data structures, greedy, trees	1500	x6650
817F	MEX Queries binary search, data structures, trees	2300	x2426
817E	Choosing The Commander bitmasks, data structures, trees	2000	x2713
815C	Karen and Supermarket brute force, dp, trees	2400	x2484
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x2126
812E	Sagheer and Apple Tree games, trees	2300	x1020
812D	Sagheer and Kindergarten dfs and similar, graphs, implementation, trees	2700	x327
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x723
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1259
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x286
802K	Send the Fool Further! (medium) dp, trees	2100	x595
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4321
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5224
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x2983
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x245
792D	Paths in a Complete Binary Tree bitmasks, trees	1900	x2910
786E	ALT data structures, flows, graphs, trees	3200	x607
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3400	x138
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8870
778C	Peterson Polyglot brute force, dfs and similar, dsu, hashing, strings, trees	2500	x867
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x416
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x123
771C	Bear and Tree Jumps dfs and similar, dp, trees	2100	x2813
767C	Garland dfs and similar, graphs, greedy, trees	2000	x4006
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2859
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1248
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x516
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10168
762F	Tree nesting combinatorics, graphs, trees	2800	x346
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x1910
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x445
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x483
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11755
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x482
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x478
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x634
746G	New Roads constructive algorithms, graphs, trees	2100	x1356
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4256