Problemset - Codeforces

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shortest paths

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Problems

#	Name
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x2846
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2840
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2799
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2795
1887B	Time Travel binary search, graphs, shortest paths	1900	x2683
1051F	The Shortest Statement graphs, shortest paths, trees	2400	x2672
95C	Volleyball shortest paths	1900	x2672
715B	Complete The Graph binary search, constructive algorithms, graphs, shortest paths	2300	x2658
590C	Three States dfs and similar, graphs, shortest paths	2200	x2612
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2590
1422D	Returning Home graphs, shortest paths, sortings	2300	x2589
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2524
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2509
1693C	Keshi in Search of AmShZ graphs, greedy, shortest paths	2300	x2440
1196F	K-th Path brute force, constructive algorithms, shortest paths, sortings	2200	x2428
1536E	Omkar and Forest combinatorics, graphs, math, shortest paths	2300	x2342
1650G	Counting Shortcuts data structures, dfs and similar, dp, graphs, shortest paths	2100	x2335
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2261
1627E	Not Escaping data structures, dp, implementation, shortest paths, two pointers	2200	x2235
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2210
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2197
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2187
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2110
301B	Yaroslav and Time binary search, graphs, shortest paths	2100	x2110
666B	World Tour graphs, shortest paths	2000	x2068
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2041
1340C	Nastya and Unexpected Guest dfs and similar, dp, graphs, shortest paths	2400	x2021
788C	The Great Mixing dfs and similar, graphs, shortest paths	2300	x2014
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x1956
187B	AlgoRace dp, shortest paths	1800	x1933
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1850
1325E	Ehab's REAL Number Theory Problem brute force, dfs and similar, graphs, number theory, shortest paths	2600	x1849
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x1828
1737D	Ela and the Wiring Wizard brute force, dp, graphs, greedy, implementation, shortest paths	2200	x1811
208C	Police Station dp, graphs, shortest paths	1900	x1788
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1720
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1666
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1654
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2200	x1641
525D	Arthur and Walls constructive algorithms, data structures, graphs, greedy, shortest paths	2400	x1636
1005F	Berland and the Shortest Paths brute force, dfs and similar, graphs, shortest paths	2100	x1611
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1606
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1604
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1602
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x1581
1442C	Graph Transpositions dfs and similar, graphs, greedy, shortest paths	2400	x1579
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1576
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x1526
1197E	Culture Code binary search, combinatorics, data structures, dp, shortest paths, sortings	2300	x1495
1482F	Useful Edges graphs, shortest paths	2400	x1471
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1439
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1420
416E	President's Path dp, graphs, shortest paths	2500	x1388
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x1384
1370F1	The Hidden Pair (Easy Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2400	x1366
821D	Okabe and City dfs and similar, graphs, shortest paths	2200	x1345
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1317
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1304
464E	The Classic Problem data structures, graphs, shortest paths	3000	x1302
1666J	Job Lookup constructive algorithms, dp, shortest paths, trees	2100	x1293
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1271
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1270
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x1246
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1245
1495D	BFS Trees combinatorics, dfs and similar, graphs, math, shortest paths, trees	2600	x1191
1738F	Connectivity Addicts constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees	2400	x1152
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1130
1632E1	Distance Tree (easy version) binary search, data structures, dfs and similar, graphs, shortest paths, trees	2400	x1110
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1108
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1092
1301F	Super Jaber dfs and similar, graphs, implementation, shortest paths	2600	x1089
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x1088
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1086
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1066
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1066
1790G	Tokens on Graph constructive algorithms, dfs and similar, graphs, shortest paths	2300	x1054
1450E	Capitalism constructive algorithms, dfs and similar, graphs, shortest paths	2700	x1017
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1010
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x1002
241E	Flights graphs, shortest paths	2600	x996
1662F	Antennas data structures, dfs and similar, graphs, graphs, implementation, implementation, shortest paths, shortest paths		x964
852D	Exploration plan binary search, flows, graph matchings, shortest paths	2100	x954
79D	Password bitmasks, dp, shortest paths	2800	x944
1632E2	Distance Tree (hard version) binary search, dfs and similar, shortest paths, trees	2700	x928
1184E2	Daleks' Invasion (medium) dfs and similar, graphs, shortest paths, trees	2100	x898
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x880
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x876
141D	Take-off Ramps graphs, shortest paths	2300	x866
575G	Run for beer dfs and similar, shortest paths	2200	x865
29E	Quarrel graphs, shortest paths	2400	x860
1804F	Approximate Diameter binary search, divide and conquer, graphs, shortest paths	2700	x852
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x834
196E	Opening Portals dsu, graphs, shortest paths	2600	x832
1163F	Indecisive Taxi Fee data structures, graphs, shortest paths	3000	x822
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x812
542E	Playing on Graph graphs, shortest paths	2600	x807
983C	Elevator dp, graphs, shortest paths	2400	x801
362E	Petya and Pipes flows, graphs, shortest paths	2300	x796
1648D	Serious Business data structures, divide and conquer, dp, implementation, shortest paths	2800	x792
843D	Dynamic Shortest Path graphs, shortest paths	3400	x756