Problemset - Codeforces

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Codeforces Round #726 (Div. 2)
4 days

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Difficulty: —

dfs and similar

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Problems

#	Name
1446E	Long Recovery constructive algorithms, dfs and similar	3500	x42
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x61
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x98
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x65
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3400	x87
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x98
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x131
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x135
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x143
1254E	Send Tree to Charlie combinatorics, dfs and similar, dsu, trees	3300	x155
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x248
1307F	Cow and Vacation dfs and similar, dsu, trees	3300	x310
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x139
1396E	Distance Matching constructive algorithms, dfs and similar, trees	3200	x192
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x339
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x377
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x863
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x89
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x187
521E	Cycling City dfs and similar, graphs	3100	x475
176E	Archaeology data structures, dfs and similar, trees	3100	x529
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x81
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x88
1178G	The Awesomest Vertex data structures, dfs and similar	3000	x189
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x190
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x247
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x248
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x258
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x264
1320E	Treeland and Viruses data structures, dfs and similar, dp, shortest paths, trees	3000	x363
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x364
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x442
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x53
1218H	Function Composition dfs and similar	2900	x66
1510C	Cactus Not Enough dfs and similar, graph matchings, graphs	2900	x109
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x138
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x167
1266F	Almost Same Distance dfs and similar, graphs	2900	x211
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x212
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x230
687E	TOF dfs and similar, graphs	2900	x233
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x246
1062F	Upgrading Cities dfs and similar, graphs	2900	x285
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x293
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x305
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x355
19E	Fairy dfs and similar, divide and conquer, dsu	2900	x896
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x1201
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x82
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x124
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	2800	x213
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x217
240E	Road Repairs dfs and similar, graphs, greedy	2800	x261
1214H	Tiles Placement constructive algorithms, dfs and similar, trees	2800	x276
1477D	Nezzar and Hidden Permutations constructive algorithms, dfs and similar, graphs	2800	x288
348E	Pilgrims dfs and similar, dp, trees	2800	x291
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x330
1419F	Rain of Fire binary search, data structures, dfs and similar, dsu, graphs, implementation	2800	x349
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2800	x349
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x390
1400F	x-prime Substrings brute force, dfs and similar, dp, string suffix structures, strings	2800	x412
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x490
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x570
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x777
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x781
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1093
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x1243
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x1252
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2700	x132
42E	Baldman and the military dfs and similar, graphs, trees	2700	x150
1452G	Game On Tree data structures, dfs and similar, greedy, trees	2700	x198
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2700	x216
475E	Strongly Connected City 2 dfs and similar	2700	x250
1036G	Sources and Sinks bitmasks, brute force, dfs and similar	2700	x269
812D	Sagheer and Kindergarten dfs and similar, graphs, implementation, trees	2700	x271
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x282
1118F2	Tree Cutting (Hard Version) combinatorics, dfs and similar, dp, trees	2700	x284
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2700	x310
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x438
494D	Birthday data structures, dfs and similar, dp, trees	2700	x446
1369F	BareLee dfs and similar, dp, games	2700	x447
864F	Cities Excursions dfs and similar, graphs, trees	2700	x479
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2700	x502
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2700	x526
1515G	Phoenix and Odometers dfs and similar, graphs, math, number theory	2700	x527
1338D	Nested Rubber Bands constructive algorithms, dfs and similar, dp, math, trees	2700	x529
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x535
1450E	Capitalism constructive algorithms, dfs and similar, graphs, shortest paths	2700	x601
827D	Best Edge Weight data structures, dfs and similar, graphs, trees	2700	x696
1370F2	The Hidden Pair (Hard Version) binary search, dfs and similar, graphs, interactive, shortest paths, trees	2700	x909
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x982
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2700	x1219
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x136
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x235
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2600	x279
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x336
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x347
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x378
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x415
1016F	Road Projects dfs and similar, dp, trees	2600	x514

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