Problemset - Codeforces

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Educational Codeforces Round 166 (Rated for Div. 2)
36:58:31
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dfs and similar

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Problems

#	Name
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	x2197
553C	Love Triangles dfs and similar, dsu, graphs	2200	x1738
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1478
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2435
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17113
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x498
540C	Ice Cave dfs and similar	2000	x7048
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x629
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1501
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2306
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x374
527E	Data Center Drama dfs and similar, graphs	2600	x1814
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4471
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15763
521E	Cycling City dfs and similar, graphs	3100	x919
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48297
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6253
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1230
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1757
513D1	Constrained Tree dfs and similar	2400	x426
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15235
510B	Fox And Two Dots dfs and similar	1500	x13471
508D	Tanya and Password dfs and similar, graphs	2500	x3108
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2642
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2033
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2431
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6105
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12123
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x875
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3070
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8723
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50558
494D	Birthday data structures, dfs and similar, dp, trees	2700	x515
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1563
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	x6553
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46848
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2152
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3859
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x206
475E	Strongly Connected City 2 dfs and similar	2700	x404
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8264
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5060
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3964
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1771
466E	Information Graph dfs and similar, dsu, graphs, trees	2100	x2069
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1393
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5939
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5349
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5217
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5701
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1571
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1450
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12158
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28383
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10875
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x894
429A	Xor-tree dfs and similar, trees	1300	x10027
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13041
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x128
412D	Giving Awards dfs and similar	2000	x1816
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1131
405E	Graph Cutting dfs and similar, graphs	2300	x1338
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5035
383C	Propagating tree data structures, dfs and similar, trees	2000	x6140
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x656
377A	Maze dfs and similar	1600	x21483
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6265
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2665
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	x1096
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9493
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	x460
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	x426
348B	Apple Tree dfs and similar, number theory, trees	2100	x2047
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x76
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	x5508
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x489
339E	Three Swaps constructive algorithms, dfs and similar, greedy	2700	x538
339C	Xenia and Weights constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	1700	x8161
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5847
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x199
329B	Biridian Forest dfs and similar, shortest paths	1500	x6141
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2224
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x753
325C	Monsters and Diamonds dfs and similar, graphs, shortest paths	2600	x331
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6845
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7106
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x491
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x163
316F1	Suns and Rays dfs and similar, implementation	2200	x164