Problemset - Codeforces

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Codeforces Round 951 (Div. 2)
14:32:24
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shortest paths

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Problems

#	Name
1304E	1-Trees and Queries data structures, dfs and similar, shortest paths, trees	2000	x4947
1301F	Super Jaber dfs and similar, graphs, implementation, shortest paths	2600	x1093
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x7496
1272E	Nearest Opposite Parity dfs and similar, graphs, shortest paths	1900	x6023
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x1589
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x129
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9411
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1246
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x7121
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1445
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x91
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x1108
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6473
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6587
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4519
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x141
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x126
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1609
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2462
1184E2	Daleks' Invasion (medium) dfs and similar, graphs, shortest paths, trees	2100	x907
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x169
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x569
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4677
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10541
1163F	Indecisive Taxi Fee data structures, graphs, shortest paths	3000	x826
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x468
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x4003
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3912
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x4945
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2268
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2608
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1274
1063B	Labyrinth graphs, shortest paths	1800	x7126
1051F	The Shortest Statement graphs, shortest paths, trees	2400	x2697
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2203
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13988
1005F	Berland and the Shortest Paths brute force, dfs and similar, graphs, shortest paths	2100	x1624
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1013
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x567
983C	Elevator dp, graphs, shortest paths	2400	x802
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5240
919F	A Game With Numbers games, graphs, shortest paths	2600	x327
913E	Logical Expression bitmasks, dp, shortest paths	2400	x745
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x1963
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x3970
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x958
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x387
821D	Okabe and City dfs and similar, graphs, shortest paths	2200	x1352
814E	An unavoidable detour for home combinatorics, dp, graphs, shortest paths	2600	x641
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5237
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1578
788C	The Great Mixing dfs and similar, graphs, shortest paths	2300	x2016
786B	Legacy data structures, graphs, shortest paths	2300	x5505
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2845
773D	Perishable Roads dp, graphs, shortest paths	2700	x567
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2137
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x516
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1106
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x825
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2673
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1533
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x1834
666B	World Tour graphs, shortest paths	2000	x2075
648E	Собери число graphs, shortest paths	2300	x85
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1324
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10590
590C	Three States dfs and similar, graphs, shortest paths	2200	x2686
585B	Phillip and Trains dfs and similar, graphs, shortest paths	1700	x3496
575G	Run for beer dfs and similar, shortest paths	2200	x868
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2200	x1664
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3939
545E	Paths and Trees graphs, greedy, shortest paths	2000	x4419
543B	Destroying Roads constructive algorithms, graphs, shortest paths	2100	x3847
542E	Playing on Graph graphs, shortest paths	2600	x810
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1642
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2648
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5078
464E	The Classic Problem data structures, graphs, shortest paths	3000	x1343
461E	Appleman and a Game binary search, shortest paths, strings	3000	x367
449B	Jzzhu and Cities graphs, greedy, shortest paths	2000	x8098
416E	President's Path dp, graphs, shortest paths	2500	x1394
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2807
386D	Game with Points dp, graphs, implementation, shortest paths	2100	x415
375C	Circling Round Treasures bitmasks, shortest paths	2600	x474
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1097
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1271
362E	Petya and Pipes flows, graphs, shortest paths	2300	x801
360E	Levko and Game graphs, greedy, shortest paths	2800	x678
346D	Robot Control dp, graphs, shortest paths	2600	x705
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8167
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x333
317E	Princess and Her Shadow constructive algorithms, shortest paths	3100	x153
311C	Fetch the Treasure brute force, data structures, graphs, shortest paths	2500	x477
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2313
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1661
295B	Greg and Graph dp, graphs, shortest paths	1700	x13249
266D	BerDonalds graphs, math, shortest paths	2400	x713
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x498
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8121
241E	Flights graphs, shortest paths	2600	x1001