Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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dfs and similar

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Problems

#	Name
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x49954
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47625
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46163
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39491
115A	Party dfs and similar, graphs, trees	900	x32658
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28038
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26769
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x24984
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x23974
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23703
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22666
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21645
893C	Rumor dfs and similar, graphs, greedy	1300	x21453
377A	Maze dfs and similar	1600	x21250
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20302
1020B	Badge brute force, dfs and similar, graphs	1000	x20101
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19191
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19083
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18737
1311B	WeirdSort dfs and similar, sortings	1200	x18413
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18017
277A	Learning Languages dfs and similar, dsu	1400	x18011
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17513
1669G	Fall Down dfs and similar, implementation	1200	x17212
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17011
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16915
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16897
1167C	News Distribution dfs and similar, dsu, graphs	1400	x16713
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16197
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16147
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16133
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16054
1829F	Forever Winter dfs and similar, graphs, math	1300	x15995
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15838
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15808
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15671
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15544
510C	Fox And Names dfs and similar, graphs, sortings	1600	x14960
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14558
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14362
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14020
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x13985
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13875
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13846
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13760
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x13758
687A	NP-Hard Problem dfs and similar, graphs	1500	x13706
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13700
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13649
161D	Distance in Tree dfs and similar, dp, trees	1800	x13454
510B	Fox And Two Dots dfs and similar	1500	x13349
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13329
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13183
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13160
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13030
1033A	King Escape dfs and similar, graphs, implementation	1000	x12887
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12880
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12830
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x12534
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12295
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x12211
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x11990
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x11969
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x11946
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x11798
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x11765
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11632
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11586
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11373
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11324
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11124
1143C	Queen dfs and similar, trees	1400	x11103
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10817
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10811
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10719
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10584
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10433
1689C	Infected Tree dfs and similar, dp, trees	1600	x10417
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10374
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10280
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10278
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10112
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10067
429A	Xor-tree dfs and similar, trees	1300	x9956
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9782
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9517
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9464
1006E	Military Problem dfs and similar, graphs, trees	1600	x9377
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9375
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9361
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9320
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9313
919D	Substring dfs and similar, dp, graphs	1700	x9263
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9225
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9164
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9123
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8975
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x8945
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8830
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8828

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