Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
36:25:28
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dfs and similar

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Problems

#	Name
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x2195
553C	Love Triangles dfs and similar, dsu, graphs	2200	x1735
549B	Looksery Party constructive algorithms, dfs and similar, graphs, greedy	2300	x1476
547D	Mike and Fish constructive algorithms, dfs and similar, graphs	2600	x2424
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17079
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x497
540C	Ice Cave dfs and similar	2000	x7023
538H	Summer Dichotomy 2-sat, data structures, dfs and similar, greedy	3200	x628
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1499
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2304
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x373
527E	Data Center Drama dfs and similar, graphs	2600	x1810
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4469
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15726
521E	Cycling City dfs and similar, graphs	3100	x917
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48050
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6209
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1224
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1755
513D1	Constrained Tree dfs and similar	2400	x425
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15162
510B	Fox And Two Dots dfs and similar	1500	x13430
508D	Tanya and Password dfs and similar, graphs	2500	x3093
507E	Breaking Good dfs and similar, dp, graphs, shortest paths	2100	x2592
506D	Mr. Kitayuta's Colorful Graph brute force, dfs and similar, dsu, graphs	2400	x2031
505D	Mr. Kitayuta's Technology dfs and similar	2200	x2426
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6091
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12102
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x871
500D	New Year Santa Network combinatorics, dfs and similar, graphs, trees	1900	x3066
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x8711
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50353
494D	Birthday data structures, dfs and similar, dp, trees	2700	x513
490F	Treeland Tour data structures, dfs and similar, dp, trees	2200	x1558
490D	Chocolate brute force, dfs and similar, math, meet-in-the-middle, number theory	1900	x2070
489D	Unbearable Controversy of Being brute force, combinatorics, dfs and similar, graphs	1700	x6546
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46658
487E	Tourists data structures, dfs and similar, graphs, trees	3200	x2140
486D	Valid Sets dfs and similar, dp, math, trees	2100	x3856
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	x8246
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5028
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x3950
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1768
466E	Information Graph dfs and similar, dsu, graphs, trees	2100	x2060
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1386
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5922
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5335
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5151
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5681
453C	Little Pony and Summer Sun Celebration constructive algorithms, dfs and similar, graphs	2200	x1570
448E	Divisors brute force, dfs and similar, implementation, number theory	2200	x1446
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12123
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28275
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10852
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x889
429A	Xor-tree dfs and similar, trees	1300	x10007
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12989
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x124
412D	Giving Awards dfs and similar	2000	x1812
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1130
405E	Graph Cutting dfs and similar, graphs	2300	x1334
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5005
383C	Propagating tree data structures, dfs and similar, trees	2000	x6116
382D	Ksenia and Pawns dfs and similar, graphs, implementation, trees	2200	x650
377A	Maze dfs and similar	1600	x21413
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6218
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2658
372D	Choosing Subtree is Fun binary search, data structures, dfs and similar, trees, two pointers	2600	x910
369D	Valera and Fools dfs and similar, dp, graphs, shortest paths	2200	x1092
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9450
367D	Sereja and Sets bitmasks, dfs and similar	2400	x617
366D	Dima and Trap Graph binary search, data structures, dfs and similar, dsu, shortest paths, two pointers	2000	x1270
362D	Fools and Foolproof Roads data structures, dfs and similar, dsu, graphs, greedy	2100	x895
359E	Neatness constructive algorithms, dfs and similar	2400	x460
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x871
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x750
348E	Pilgrims dfs and similar, dp, trees	2800	x426
348B	Apple Tree dfs and similar, number theory, trees	2100	x2046
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x75
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x686
343D	Water Tree data structures, dfs and similar, graphs, trees	2100	x5488
342D	Xenia and Dominoes bitmasks, dfs and similar, dp	2100	x487
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	x8142
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5834
331D1	Escaping on Beaveractor dfs and similar, implementation	2400	x199
329B	Biridian Forest dfs and similar, shortest paths	1500	x6123
327D	Block Tower constructive algorithms, dfs and similar, graphs	1900	x2219
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x752
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	x6808
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7098
317C	Balance constructive algorithms, dfs and similar, graphs, trees	2500	x490
316F3	Suns and Rays constructive algorithms, dfs and similar, implementation	2200	x163
316F1	Suns and Rays dfs and similar, implementation	2200	x164
316B2	EKG dfs and similar, dp	1600	x1568
316B1	EKG brute force, dfs and similar	1500	x1360
314B	Sereja and Periods binary search, dfs and similar, strings	2000	x1454