Problemset - Codeforces

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Codeforces Round #615 (Div. 3)
28:35:14
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dfs and similar

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Problems

#	Name
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3500	x58
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3400	x56
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x68
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x76
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3300	x49
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3300	x99
639F	Bear and Chemistry data structures, dfs and similar, graphs, trees	3300	x136
1254E	Send Tree to Charlie combinatorics, dfs and similar, dsu, trees	3200	x80
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3100	x162
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3100	x301
487E	Tourists data structures, dfs and similar, graphs, trees	3100	x523
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3000	x61
891D	Sloth dfs and similar, dp, graph matchings, trees	3000	x63
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x78
842E	Nikita and game binary search, dfs and similar, divide and conquer, graphs, trees	3000	x138
1062F	Upgrading Cities dfs and similar, graphs	3000	x148
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x161
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x174
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x220
176E	Archaeology data structures, dfs and similar, trees	3000	x409
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x47
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	2900	x54
1266F	Almost Same Distance dfs and similar, graphs	2900	x135
1178G	The Awesomest Vertex data structures, dfs and similar	2900	x141
843C	Upgrading Tree constructive algorithms, dfs and similar, graphs, math, trees	2900	x214
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x221
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x260
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2900	x271
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2900	x272
508D	Tanya and Password dfs and similar, graphs	2900	x1450
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x67
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2800	x104
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x105
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2800	x115
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2800	x147
97E	Leaders dfs and similar, dsu, graphs, trees	2800	x156
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2800	x194
687E	TOF dfs and similar, graphs	2800	x202
1036G	Sources and Sinks bitmasks, brute force, dfs and similar	2800	x208
240E	Road Repairs dfs and similar, graphs, greedy	2800	x222
348E	Pilgrims dfs and similar, dp, trees	2800	x242
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2800	x243
521E	Cycling City dfs and similar, graphs	2800	x259
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2800	x269
1111E	Tree data structures, dfs and similar, dp, graphs, trees	2800	x352
1103C	Johnny Solving constructive algorithms, dfs and similar, graphs, math	2800	x407
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x454
163E	e-Government data structures, dfs and similar, dp, strings, trees	2800	x565
19E	Fairy dfs and similar, divide and conquer, dsu	2800	x659
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x732
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x814
715C	Digit Tree dfs and similar, divide and conquer, dsu, trees	2800	x885
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2800	x1058
1218H	Function Composition dfs and similar	2700	x60
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2700	x120
42E	Baldman and the military dfs and similar, graphs, trees	2700	x137
822F	Madness constructive algorithms, dfs and similar, trees	2700	x179
1214H	Tiles Placement constructive algorithms, dfs and similar, trees	2700	x211
1118F2	Tree Cutting (Hard Version) combinatorics, dfs and similar, dp, trees	2700	x212
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x215
812D	Sagheer and Kindergarten dfs and similar, graphs, implementation, trees	2700	x242
1033E	Hidden Bipartite Graph binary search, constructive algorithms, dfs and similar, graphs, interactive	2700	x256
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2700	x310
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2700	x336
494D	Birthday data structures, dfs and similar, dp, trees	2700	x369
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2700	x396
864F	Cities Excursions dfs and similar, graphs, trees	2700	x405
827D	Best Edge Weight data structures, dfs and similar, graphs, trees	2700	x519
1270G	Subset with Zero Sum constructive algorithms, dfs and similar, graphs, math	2700	x602
700C	Break Up dfs and similar, graphs	2700	x656
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2700	x747
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2600	x129
81E	Pairs dfs and similar, dp, dsu, graphs, implementation, trees	2600	x183
475E	Strongly Connected City 2 dfs and similar	2600	x204
860E	Arkady and a Nobody-men data structures, dfs and similar, trees	2600	x250
51F	Caterpillar dfs and similar, dp, graphs, trees	2600	x259
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2600	x313
123E	Maze dfs and similar, dp, probabilities, trees	2600	x313
1207G	Indie Album data structures, dfs and similar, hashing, string suffix structures, strings, trees	2600	x330
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x355
1016F	Road Projects dfs and similar, dp, trees	2600	x388
825G	Tree Queries dfs and similar, graphs, trees	2600	x399
571C	CNF 2 constructive algorithms, dfs and similar, graphs, greedy	2600	x425
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x449
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x456
1209F	Koala and Notebook data structures, dfs and similar, graphs, shortest paths, strings, trees	2600	x463
1023F	Mobile Phone Network dfs and similar, dsu, graphs, trees	2600	x469
1147D	Palindrome XOR dfs and similar, graphs	2600	x480
778C	Peterson Polyglot brute force, dfs and similar, dsu, hashing, strings, trees	2600	x581
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2600	x715
573C	Bear and Drawing constructive algorithms, dfs and similar, trees	2600	x767
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2600	x768
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x777
527E	Data Center Drama dfs and similar, graphs	2600	x811
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2600	x969
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x1248
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x73
316F1	Suns and Rays dfs and similar, implementation	2500	x135
847L	Berland SU Computer Network dfs and similar, hashing, trees	2500	x223
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2500	x224

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