Problemset - Codeforces

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shortest paths

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Problems

#	Name
1437D	Minimal Height Tree graphs, greedy, shortest paths, trees	1600	x12902
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4401
1422D	Returning Home graphs, shortest paths, sortings	2300	x2839
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4185
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x20396
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1721
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x4016
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x515
1387C	Viruses *special problem, dp, shortest paths, string suffix structures	2900	x143
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1499
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1624
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x17577
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x25565
1349C	Orac and Game of Life dfs and similar, graphs, implementation, shortest paths	2000	x4546
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x5225
1340C	Nastya and Unexpected Guest dfs and similar, dp, graphs, shortest paths	2400	x2263
1325E	Ehab's REAL Number Theory Problem brute force, dfs and similar, graphs, number theory, shortest paths	2600	x2072
1320E	Treeland and Viruses data structures, dfs and similar, dp, shortest paths, trees	3000	x831
1320B	Navigation System dfs and similar, graphs, shortest paths	1700	x6058
1307G	Cow and Exercise flows, graphs, shortest paths	3100	x504
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6464
1304E	1-Trees and Queries data structures, dfs and similar, shortest paths, trees	2000	x5308
1301F	Super Jaber dfs and similar, graphs, implementation, shortest paths	2600	x1290
1283D	Christmas Trees graphs, greedy, shortest paths	1800	x7865
1272E	Nearest Opposite Parity dfs and similar, graphs, shortest paths	1900	x6426
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x1872
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x135
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9802
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1274
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x7688
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1498
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x100
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x1181
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6736
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6738
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4579
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x147
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x132
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1691
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2675
1184E2	Daleks' Invasion (medium) dfs and similar, graphs, shortest paths, trees	2100	x954
1184B3	The Doctor Meets Vader (Hard) flows, shortest paths	2700	x174
1184B2	The Doctor Meets Vader (Medium) flows, graph matchings, graphs, shortest paths, sortings	2200	x593
1183E	Subsequences (easy version) dp, graphs, implementation, shortest paths	2000	x4891
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x11293
1163F	Indecisive Taxi Fee data structures, graphs, shortest paths	3000	x944
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x505
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x14933
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x4152
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x4150
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x5267
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2373
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2711
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1325
1063B	Labyrinth graphs, shortest paths	1800	x7604
1051F	The Shortest Statement graphs, shortest paths, trees	2400	x2967
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2422
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x15038
1005F	Berland and the Shortest Paths brute force, dfs and similar, graphs, shortest paths	2100	x1760
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1074
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x642
986A	Fair graphs, greedy, number theory, shortest paths	1600	x7018
983C	Elevator dp, graphs, shortest paths	2400	x842
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6700
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5768
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x195
919F	A Game With Numbers games, graphs, shortest paths	2600	x340
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5127
913E	Logical Expression bitmasks, dp, shortest paths	2400	x809
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2019
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x4411
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x1027
843D	Dynamic Shortest Path graphs, shortest paths	3400	x916
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x408
821D	Okabe and City dfs and similar, graphs, shortest paths	2200	x1433
814E	An unavoidable detour for home combinatorics, dp, graphs, shortest paths	2600	x672
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5789
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1602
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4465
788C	The Great Mixing dfs and similar, graphs, shortest paths	2300	x2298
786B	Legacy data structures, graphs, shortest paths	2300	x6222
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2915
773D	Perishable Roads dp, graphs, shortest paths	2700	x701
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2306
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x567
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1171
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x855
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2910
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6021
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1704
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x1865
666B	World Tour graphs, shortest paths	2000	x2179
648E	Собери число graphs, shortest paths	2300	x127
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1393
601A	The Two Routes graphs, shortest paths	1600	x12090
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x11238
590C	Three States dfs and similar, graphs, shortest paths	2200	x2818
585B	Phillip and Trains dfs and similar, graphs, shortest paths	1700	x3580
575G	Run for beer dfs and similar, shortest paths	2200	x893
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2200	x1775