Problemset - Codeforces

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Problems

#	Name
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5676
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x612
955F	Heaps dp, trees	2600	x347
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x182
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x865
932D	Tree binary search, dp, trees	2200	x1641
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6777
928D	Autocompletion *special problem, strings, trees	1900	x801
925E	May Holidays data structures, trees	2900	x357
923F	Public Service constructive algorithms, graphs, trees	3200	x72
923C	Perfect Security data structures, greedy, strings, trees	1800	x4154
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x122
917D	Stranger Trees dp, math, matrices, trees	2600	x1006
916E	Jamie and Tree data structures, trees	2400	x1568
916D	Jamie and To-do List data structures, interactive, trees	2200	x488
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2311
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x229
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1385
913B	Christmas Spruce implementation, trees	1200	x15413
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1564
901A	Hashing Trees constructive algorithms, trees	1500	x5010
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1105
893F	Subtree Minimum Query data structures, trees	2300	x1666
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x169
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5429
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x4248
871E	Restore the Tree graphs, greedy, trees	2900	x146
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x975
868E	Policeman and a Tree dp, graphs, trees	2700	x451
864F	Cities Excursions dfs and similar, graphs, trees	2700	x580
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15980
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x421
859E	Desk Disorder combinatorics, dfs and similar, dsu, graphs, trees	2100	x1643
859D	Third Month Insanity dp, probabilities, trees	2100	x848
856D	Masha and Cactus dp, trees	2400	x369
856B	Similar Words dp, hashing, strings, trees	2300	x476
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x199
855D	Rowena Ravenclaw's Diadem trees	2500	x474
855C	Helga Hufflepuff's Cup dp, trees	2000	x1979
852I	Dating brute force, dfs and similar, graphs, trees	2300	x555
847L	Berland SU Computer Network constructive algorithms, dfs and similar, graphs, hashing, trees	2400	x315
846E	Chemistry in Berland dfs and similar, greedy, trees	2300	x851
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x346
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x396
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3412
840E	In a Trap trees	3200	x432
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15895
838B	Diverging Directions data structures, dfs and similar, trees	2100	x696
835F	Roads in the Kingdom dfs and similar, dp, graphs, trees	2500	x998
833D	Red-Black Cobweb data structures, divide and conquer, implementation, trees	2800	x371
832D	Misha, Grisha and Underground dfs and similar, graphs, trees	1900	x3605
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x272
830D	Singer House combinatorics, dp, graphs, trees	2800	x804
827D	Best Edge Weight data structures, dfs and similar, graphs, trees	2700	x1062
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3435
825G	Tree Queries dfs and similar, graphs, trees	2500	x1144
822F	Madness constructive algorithms, dfs and similar, trees	2500	x288
821C	Okabe and Boxes data structures, greedy, trees	1500	x6620
817F	MEX Queries binary search, data structures, trees	2300	x2402
817E	Choosing The Commander bitmasks, data structures, trees	2000	x2688
815C	Karen and Supermarket brute force, dp, trees	2400	x2465
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x2125
812E	Sagheer and Apple Tree games, trees	2300	x1015
812D	Sagheer and Kindergarten dfs and similar, graphs, implementation, trees	2700	x326
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x722
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1257
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x280
802K	Send the Fool Further! (medium) dp, trees	2100	x578
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4282
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5125
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x2967
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x241
792D	Paths in a Complete Binary Tree bitmasks, trees	1900	x2903
786E	ALT data structures, flows, graphs, trees	3200	x601
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3400	x136
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8851
778C	Peterson Polyglot brute force, dfs and similar, dsu, hashing, strings, trees	2500	x861
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x415
772E	Verifying Kingdom binary search, divide and conquer, interactive, trees	3200	x122
771C	Bear and Tree Jumps dfs and similar, dp, trees	2100	x2791
767C	Garland dfs and similar, graphs, greedy, trees	2000	x3966
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x2821
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1246
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x514
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10107
762F	Tree nesting combinatorics, graphs, trees	2800	x345
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x1897
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x443
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x480
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11681
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x480
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x469
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x633
746G	New Roads constructive algorithms, graphs, trees	2100	x1313
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4248
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2450
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4422
735E	Ostap and Tree dp, trees	2500	x843
734E	Anton and Tree dfs and similar, dp, trees	2100	x3734
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1088