Problemset - Codeforces

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Problems

#	Name
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7225
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7103
1063B	Labyrinth graphs, shortest paths	1800	x7072
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x7023
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x6697
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6691
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6620
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6247
1304D	Shortest and Longest LIS constructive algorithms, graphs, greedy, two pointers	1800	x6071
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6048
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5803
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x5766
721C	Journey dp, graphs	1800	x5675
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5425
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5332
1176D	Recover it! dfs and similar, graphs, greedy, number theory, sortings	1800	x5129
404C	Restore Graph dfs and similar, graphs, sortings	1800	x4999
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4979
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x4904
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x4387
623A	Graph and String constructive algorithms, graphs	1800	x4359
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4248
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4142
1468J	Road Reform dsu, graphs, greedy	1800	x3915
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3884
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3864
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3775
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3710
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3544
263D	Cycle in Graph dfs and similar, graphs	1800	x3244
1666L	Labyrinth dfs and similar, graphs	1800	x2982
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x2851
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2765
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2579
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2509
863C	1-2-3 graphs, implementation	1800	x2406
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2055
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1488
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1139
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x685
20C	Dijkstra? graphs, shortest paths	1900	x29928
25D	Roads not only in Berland dsu, graphs, trees	1900	x10376
1328E	Tree Queries dfs and similar, graphs, trees	1900	x8850
1369D	TediousLee dp, graphs, greedy, math, trees	1900	x8264
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x6980
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x6911
1205B	Shortest Cycle bitmasks, brute force, graphs, shortest paths	1900	x6350
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6149
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6030
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5918
25C	Roads in Berland graphs, shortest paths	1900	x5877
1272E	Nearest Opposite Parity dfs and similar, graphs, shortest paths	1900	x5857
1095F	Make It Connected dsu, graphs, greedy	1900	x5854
1436D	Bandit in a City binary search, dfs and similar, graphs, greedy, trees	1900	x5847
1624G	MinOr Tree bitmasks, dfs and similar, dsu, graphs, greedy	1900	x5541
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5130
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x4973
1439A2	Binary Table (Hard Version) constructive algorithms, graphs, greedy, implementation	1900	x4951
1715D	2+ doors 2-sat, bitmasks, graphs, greedy	1900	x4924
1739D	Reset K Edges binary search, data structures, dfs and similar, graphs, greedy, trees	1900	x4872
1651D	Nearest Excluded Points binary search, data structures, dfs and similar, graphs, shortest paths	1900	x4826
1601B	Frog Traveler data structures, dfs and similar, dp, graphs, shortest paths, two pointers	1900	x4775
1276B	Two Fairs combinatorics, dfs and similar, dsu, graphs	1900	x4667
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4572
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4425
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4359
14D	Two Paths dfs and similar, dp, graphs, shortest paths, trees, two pointers	1900	x4311
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4055
1105D	Kilani and the Game dfs and similar, graphs, implementation, shortest paths	1900	x3979
1842D	Tenzing and His Animal Friends constructive algorithms, graphs, greedy	1900	x3921
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3920
1817B	Fish Graph brute force, constructive algorithms, dfs and similar, graphs	1900	x3863
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3801
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x3788
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x3653
832D	Misha, Grisha and Underground dfs and similar, graphs, trees	1900	x3607
1041E	Tree Reconstruction constructive algorithms, data structures, graphs, greedy	1900	x3503
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3475
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3405
1738D	Permutation Addicts constructive algorithms, data structures, dfs and similar, dsu, graphs, trees	1900	x3324
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3307
1787D	Game on Axis combinatorics, dfs and similar, dsu, graphs, implementation	1900	x3261
550D	Regular Bridge constructive algorithms, graphs, implementation	1900	x3244
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	1900	x3118
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3066
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2953
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2846
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2840
1887B	Time Travel binary search, graphs, shortest paths	1900	x2684
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2656
388B	Fox and Minimal path bitmasks, constructive algorithms, graphs, implementation, math	1900	x2433
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2347
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2219
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2189
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2150
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x1991
949C	Data Center Maintenance dfs and similar, graphs	1900	x1983
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1903
208C	Police Station dp, graphs, shortest paths	1900	x1788
1423B	Valuable Paper binary search, flows, graph matchings, graphs	1900	x1771