Problemset - Codeforces

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Codeforces Round 951 (Div. 2)
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dfs and similar

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Problems

#	Name
573C	Bear and Drawing constructive algorithms, dfs and similar, trees	2300	x957
571C	CNF 2 constructive algorithms, dfs and similar, graphs, greedy	2500	x612
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x6731
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2200	x1664
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x697
566A	Matching Names dfs and similar, strings, trees	2300	x872
557D	Vitaly and Cycle combinatorics, dfs and similar, graphs, math	2000	x2143
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x2202
553C	Love Triangles dfs and similar, dsu, graphs	2200	x1739
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1479
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2437
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17123
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x499
540C	Ice Cave dfs and similar	2000	x7056
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x630
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1503
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2309
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x375
527E	Data Center Drama dfs and similar, graphs	2600	x1816
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4473
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15782
521E	Cycling City dfs and similar, graphs	3100	x921
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48400
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6281
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1231
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1758
513D1	Constrained Tree dfs and similar	2400	x427
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15271
510B	Fox And Two Dots dfs and similar	1500	x13502
508D	Tanya and Password dfs and similar, graphs	2500	x3115
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2648
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2035
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2432
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6113
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12131
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x876
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3072
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8732
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50660
494D	Birthday data structures, dfs and similar, dp, trees	2700	x516
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1566
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2072
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6556
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46914
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2155
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3863
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x207
475E	Strongly Connected City 2 dfs and similar	2700	x405
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8275
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5072
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3967
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1772
466E	Information Graph dfs and similar, dsu, graphs, trees	2100	x2078
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1432
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5983
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5360
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5241
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5713
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1572
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1452
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12173
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28423
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10886
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x894
429A	Xor-tree dfs and similar, trees	1300	x10034
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13085
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x129
412D	Giving Awards dfs and similar	2000	x1819
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1131
405E	Graph Cutting dfs and similar, graphs	2300	x1340
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5044
383C	Propagating tree data structures, dfs and similar, trees	2000	x6156
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x656
377A	Maze dfs and similar	1600	x21522
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6276
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2667
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x915
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1097
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9510
367D	Sereja and Sets bitmasks, dfs and similar	2400	x618
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1271
362D	Fools and Foolproof Roads data structures, dfs and similar, dsu, graphs, greedy	2100	x897
359E	Neatness constructive algorithms, dfs and similar	2400	x461
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x873
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x751
348E	Pilgrims dfs and similar, dp, trees	2800	x427
348B	Apple Tree dfs and similar, number theory, trees	2100	x2048
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x77
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x691
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5517
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x489
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x539
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8167
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5871
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x200
329B	Biridian Forest dfs and similar, shortest paths	1500	x6153
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2245
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x755
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x333
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6858