Problemset - Codeforces

→ Pay attention

Contest is running
Kotlin Heroes: Practice 10
00:19:12
Register now »

Before contest
Kotlin Heroes: Episode 10
01:19:13
Register now »

→ Filter Problems

Difficulty: —

graphs

Add tag

Problems

#	Name
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x615
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x590
1574F	Occurrences combinatorics, dfs and similar, dp, dsu, fft, graphs	2700	x585
1514E	Baby Ehab's Hyper Apartment binary search, graphs, interactive, sortings, two pointers	2700	x585
864F	Cities Excursions dfs and similar, graphs, trees	2700	x580
773D	Perishable Roads dp, graphs, shortest paths	2700	x565
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x561
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x553
933C	A Colourful Prospect geometry, graphs	2700	x550
132E	Bits of merry old England flows, graphs	2700	x521
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x509
868E	Policeman and a Tree dp, graphs, trees	2700	x459
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x429
1695E	Ambiguous Dominoes constructive algorithms, dfs and similar, graphs	2700	x424
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x394
191D	Metro Scheme graphs, greedy	2700	x346
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x327
812D	Sagheer and Kindergarten dfs and similar, graphs, implementation, trees	2700	x326
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x285
42E	Baldman and the military dfs and similar, graphs, trees	2700	x189
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2700	x181
1156G	Optimizer graphs, greedy, hashing, implementation	2700	x120
1599I	Desert data structures, graphs	2700	x112
44F	BerPaint geometry, graphs	2700	x64
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2682
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x2194
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1645
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1190
1404E	Bricks flows, graph matchings, graphs	2800	x1093
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1066
830D	Singer House combinatorics, dp, graphs, trees	2800	x808
1672F2	Checker for Array Shuffling constructive algorithms, dfs and similar, graphs	2800	x773
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x751
600F	Edge coloring of bipartite graph graphs	2800	x733
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x727
360E	Levko and Game graphs, greedy, shortest paths	2800	x674
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x640
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x604
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x585
1698F	Equal Reversal constructive algorithms, graphs, implementation, math	2800	x583
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x582
1625E2	Cats on the Upgrade (hard version) binary search, data structures, dfs and similar, graphs, trees	2800	x580
1863G	Swaps combinatorics, dp, graphs, math	2800	x558
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x545
1477D	Nezzar and Hidden Permutations constructive algorithms, dfs and similar, graphs	2800	x532
1697F	Too Many Constraints 2-sat, constructive algorithms, graphs, implementation	2800	x514
1291F	Coffee Varieties (easy version) graphs, interactive	2800	x503
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x503
819E	Mister B and Flight to the Moon constructive algorithms, graphs	2800	x499
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x474
1572D	Bridge Club flows, graph matchings, graphs, greedy	2800	x471
418D	Big Problems for Organizers data structures, graphs, trees	2800	x467
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x415
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x408
1155F	Delivery Oligopoly brute force, dp, graphs	2800	x402
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x396
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x381
850D	Tournament Construction constructive algorithms, dp, graphs, greedy, math	2800	x371
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x363
240E	Road Repairs dfs and similar, graphs, greedy	2800	x347
1578K	Kingdom of Islands brute force, graphs, implementation	2800	x346
762F	Tree nesting combinatorics, graphs, trees	2800	x345
1578A	Anti-Tetris constructive algorithms, graphs, shortest paths	2800	x328
1904F	Beautiful Tree data structures, dfs and similar, graphs, implementation, trees	2800	x308
1031F	Familiar Operations brute force, graphs, math	2800	x265
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x235
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x127
1218A	BubbleReactor dp, graphs	2800	x106
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x860
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x685
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x584
1062F	Upgrading Cities dfs and similar, graphs	2900	x552
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x546
763D	Timofey and a flat tree data structures, graphs, hashing, shortest paths, trees	2900	x514
704C	Black Widow dp, graphs, implementation, math	2900	x457
1835D	Doctor's Brown Hypothesis dfs and similar, graphs, math, number theory	2900	x449
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x406
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x373
848D	Shake It! combinatorics, dp, flows, graphs	2900	x365
1654G	Snowy Mountain data structures, dfs and similar, graphs, greedy, shortest paths, trees	2900	x356
1266F	Almost Same Distance dfs and similar, graphs	2900	x331
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x330
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x311
687E	TOF dfs and similar, graphs	2900	x310
1056G	Take Metro brute force, data structures, graphs	2900	x238
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x205
980F	Cactus to Tree dp, graphs, trees	2900	x191
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x162
871E	Restore the Tree graphs, greedy, trees	2900	x147
1201E1	Knightmare (easy) graphs, interactive, shortest paths	2900	x125
1090H	Linearization graphs	2900	x88
464E	The Classic Problem data structures, graphs, shortest paths	3000	x1304
1019C	Sergey's problem constructive algorithms, graphs	3000	x1073
429E	Points and Segments graphs	3000	x832
1163F	Indecisive Taxi Fee data structures, graphs, shortest paths	3000	x823
1149D	Abandoning Roads brute force, dp, graphs, greedy	3000	x671
1290D	Coffee Varieties (hard version) constructive algorithms, graphs, interactive	3000	x668
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x627
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x561
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x521