Problemset - Codeforces

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Codeforces Round 968 (Div. 2)
32:17:40
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Problems

#	Name
917D	Stranger Trees dp, math, matrices, trees	2600	x1121
917C	Pollywog combinatorics, dp, matrices	2900	x390
917A	The Monster dp, greedy, implementation, math	1800	x3502
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x236
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x918
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3707
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x651
913E	Logical Expression bitmasks, dp, shortest paths	2400	x765
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2051
909C	Python Indentation dp	1800	x4851
908G	New Year and Original Order dp, math	2800	x1337
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x756
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2312
906E	Reverses dp, string suffix structures, strings	3300	x437
906C	Party bitmasks, brute force, dp, graphs	2400	x1324
903F	Clear The Matrix bitmasks, dp	2200	x633
900E	Maximum Questions data structures, dp, strings	2100	x1227
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3160
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5392
894E	Ralph and Mushrooms dp, graphs	2100	x2266
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3604
893D	Credit Card data structures, dp, greedy, implementation	1900	x3017
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x181
889E	Mod Mod Mod binary search, dp, math	3000	x528
888F	Connecting Vertices dp, graphs	2500	x784
886E	Maximum Element combinatorics, dp, math	2400	x995
883I	Photo Processing binary search, dp	1900	x1946
883D	Packmen Strike Back binary search, dp, math	2500	x368
878E	Numbers on the blackboard combinatorics, dp	3300	x501
875E	Delivery Club binary search, data structures, dp	2600	x890
873E	Awards For Contestants brute force, data structures, dp	2300	x685
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4656
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x3682
868E	Policeman and a Tree dp, graphs, trees	2700	x485
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x901
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x120
865C	Gotta Go Fast binary search, dp	2400	x821
864E	Fire dp, sortings	2000	x4213
859D	Third Month Insanity dp, probabilities, trees	2100	x1044
856D	Masha and Cactus dp, trees	2400	x393
856C	Eleventh Birthday combinatorics, dp, math	2400	x566
856B	Similar Words dp, hashing, strings, trees	2300	x494
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x205
855E	Salazar Slytherin's Locket bitmasks, dp	2200	x1737
855C	Helga Hufflepuff's Cup dp, trees	2000	x2047
853D	Michael and Charging Stations binary search, dp, greedy	2400	x658
852H	Bob and stages dp, geometry	3000	x150
852E	Casinos and travel dp	2100	x1025
852B	Neural Network country dp, matrices	2000	x1420
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x379
850C	Arpa and a game with Mojtaba bitmasks, dp, games	2200	x1454
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x207
848D	Shake It! combinatorics, dp, flows, graphs	2900	x381
847E	Packmen binary search, dp	1800	x2895
846C	Four Segments brute force, data structures, dp	1800	x2654
845F	Guards In The Storehouse bitmasks, dp	2500	x439
845D	Driving Test data structures, dp, greedy	1800	x2358
840C	On the Bench combinatorics, dp	2500	x1702
840B	Leha and another game about graph constructive algorithms, data structures, dfs and similar, dp, graphs	2100	x2455
839D	Winter is here combinatorics, dp, math, number theory	2200	x2840
838E	Convex Countour dp	2300	x332
838C	Future Failure dp, games	2800	x292
837D	Round Subset dp, math	2100	x5357
835F	Roads in the Kingdom dfs and similar, dp, graphs, trees	2500	x1049
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x4071
833E	Caramel Clouds data structures, dp, sortings	3400	x221
833B	The Bakery binary search, data structures, divide and conquer, dp, two pointers	2200	x4829
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x277
830D	Singer House combinatorics, dp, graphs, trees	2800	x822
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6880
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x398
825F	String Compression dp, hashing, string suffix structures, strings	2400	x1449
822E	Liar binary search, dp, hashing, string suffix structures	2400	x817
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x3076
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1453
815C	Karen and Supermarket brute force, dp, trees	2400	x2583
814E	An unavoidable detour for home combinatorics, dp, graphs, shortest paths	2600	x651
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x2326
813D	Two Melodies dp, flows	2600	x1018
811C	Vladik and Memorable Trip dp, implementation	1900	x3229
809D	Hitchhiking in the Baltic States data structures, dp	2900	x826
809C	Find a car combinatorics, divide and conquer, dp	2600	x737
808G	Anthem of Berland dp, strings	2300	x2627
808E	Selling Souvenirs binary search, dp, greedy, ternary search	2300	x1817
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x162
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1270
803E	Roma and Poker dp, graphs	2000	x2161
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x297
802K	Send the Fool Further! (medium) dp, trees	2100	x629
799D	Field expansion brute force, dp, meet-in-the-middle	2100	x2018
797F	Mice and Holes data structures, dp, greedy, sortings	2600	x1174
797E	Array Queries brute force, data structures, dp	2000	x4321
796E	Exam Cheating binary search, dp	2400	x649
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5542
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x3022
794G	Replace All combinatorics, dp, math	3400	x336
793F	Julia the snail data structures, divide and conquer, dp	3000	x541
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x249
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1590
792C	Divide by Three dp, greedy, math, number theory	2000	x4341