Problemset - Codeforces

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Problems

#	Name
855C	Helga Hufflepuff's Cup dp, trees	2000	x2096
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8735
855A	Tom Riddle's Diary brute force, implementation, strings	800	x22056
854B	Maxim Buys an Apartment constructive algorithms, math	1200	x8198
854A	Fraction brute force, constructive algorithms, math	800	x13659
853E	Lada Malina data structures, geometry	3400	x66
853D	Michael and Charging Stations binary search, dp, greedy	2400	x676
853C	Boredom data structures	2100	x1511
853B	Jury Meeting greedy, sortings, two pointers	1800	x2534
853A	Planning greedy	1500	x5860
852I	Dating brute force, dfs and similar, graphs, trees	2300	x581
852H	Bob and stages dp, geometry	3000	x152
852G	Bathroom terminal implementation	1700	x1291
852F	Product transformation combinatorics, math, number theory	2200	x577
852E	Casinos and travel dp	2100	x1063
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x1024
852C	Property greedy, sortings	2100	x601
852B	Neural Network country dp, matrices	2000	x1465
852A	Digits brute force, implementation, math	2500	x389
851B	Arpa and an exam about geometry geometry, math	1400	x5561
851A	Arpa and a research in Mexican wave implementation, math	800	x9789
850F	Rainbow Balls math	2800	x669
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x403
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x393
850C	Arpa and a game with Mojtaba bitmasks, dp, games	2200	x1511
850B	Arpa and a list of numbers implementation, number theory	2100	x2032
850A	Five Dimensional Points brute force, geometry, math	1700	x3213
849B	Tell Your World brute force, geometry	1600	x3665
849A	Odds and Ends implementation	1000	x9107
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x212
848D	Shake It! combinatorics, dp, flows, graphs	2900	x384
848C	Goodbye Souvenir data structures, divide and conquer	2600	x1378
848B	Rooter's Song constructive algorithms, data structures, geometry, implementation, sortings, two pointers	1900	x1905
848A	From Y to Y constructive algorithms	1600	x5131
847M	Weather Tomorrow implementation, math	1000	x6309
847L	Berland SU Computer Network constructive algorithms, dfs and similar, graphs, hashing, trees	2400	x321
847K	Travel Cards greedy, implementation, sortings	1800	x1695
847J	Students Initiation binary search, flows, graphs	2400	x640
847I	Noise Level dfs and similar, implementation, math	1900	x1534
847H	Load Testing greedy	1600	x2450
847G	University Classes implementation	900	x6851
847F	Berland Elections greedy, sortings	2100	x869
847E	Packmen binary search, dp	1800	x3083
847D	Dog Show constructive algorithms, data structures, greedy	2200	x1216
847C	Sum of Nestings constructive algorithms	1800	x2380
847B	Preparing for Merge Sort binary search, data structures	1600	x5056
847A	Union of Doubly Linked Lists implementation	1500	x3388
846F	Random Query data structures, math, probabilities, two pointers	1800	x2281
846E	Chemistry in Berland dfs and similar, greedy, trees	2300	x903
846D	Monitor binary search, data structures	1900	x2534
846C	Four Segments brute force, data structures, dp	1800	x2690
846B	Math Show brute force, greedy	1800	x2523
846A	Curriculum Vitae brute force, implementation	1500	x4267
845G	Shortest Path Problem? dfs and similar, graphs, math	2300	x1684
845F	Guards In The Storehouse bitmasks, dp	2500	x458
845E	Fire in the City binary search, data structures	2400	x601
845D	Driving Test data structures, dp, greedy	1800	x2392
845C	Two TVs data structures, greedy, sortings	1500	x8789
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5044
845A	Chess Tourney implementation, sortings	1100	x7799
844B	Rectangles combinatorics, math	1300	x7482
844A	Diversity greedy, implementation, strings	1000	x11024
843E	Maximum Flow flows, graphs	3000	x320
843D	Dynamic Shortest Path graphs, shortest paths	3400	x906
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x361
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x2271
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5681
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x432
842D	Vitya and Strange Lesson binary search, data structures	2000	x3701
842C	Ilya And The Tree dfs and similar, graphs, math, number theory, trees	2000	x3501
842B	Gleb And Pizza geometry	1100	x10358
842A	Kirill And The Game brute force, two pointers	1200	x10236
841B	Godsend games, math	1100	x12310
841A	Generous Kefa brute force, implementation	900	x13248
840E	In a Trap trees	3200	x494
840D	Destiny data structures, probabilities	2500	x3064
840C	On the Bench combinatorics, dp	2500	x1785
840B	Leha and another game about graph constructive algorithms, data structures, dfs and similar, dp, graphs	2100	x2483
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x7008
839E	Mother of Dragons brute force, graphs, math, meet-in-the-middle	2700	x919
839D	Winter is here combinatorics, dp, math, number theory	2200	x2979
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x17026
839B	Game of the Rows brute force, greedy, implementation	1900	x3330
839A	Arya and Bran implementation	900	x14205
838F	Expected Earnings	2800	x98
838E	Convex Countour dp	2300	x356
838D	Airplane Arrangements math, number theory	2700	x916
838C	Future Failure dp, games	2800	x295
838B	Diverging Directions data structures, dfs and similar, trees	2100	x827
838A	Binary Blocks brute force	1400	x933
837G	Functions On The Segments data structures	2500	x696
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x982
837E	Vasya's Function binary search, implementation, math	2100	x1799
837D	Round Subset dp, math	2100	x5645
837C	Two Seals brute force, implementation	1500	x4016
837B	Flag of Berland brute force, implementation	1600	x3949
837A	Text Volume implementation	800	x9480
835F	Roads in the Kingdom dfs and similar, dp, graphs, trees	2500	x1078
835E	The penguin's game binary search, constructive algorithms, interactive	2400	x1176
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x4144