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dfs and similar

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Problems

#	Name
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9173
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9200
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9271
919D	Substring dfs and similar, dp, graphs	1700	x9330
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9349
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9422
1006E	Military Problem dfs and similar, graphs, trees	1600	x9434
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9449
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9463
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9515
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9578
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9825
429A	Xor-tree dfs and similar, trees	1300	x10000
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10121
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10316
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10425
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10444
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10482
1689C	Infected Tree dfs and similar, dp, trees	1600	x10499
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10529
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x10722
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10784
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10823
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10846
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10987
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11274
1143C	Queen dfs and similar, trees	1400	x11383
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11390
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11684
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11695
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11700
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x11829
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12035
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12058
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12095
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12116
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x12352
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12453
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x12683
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12960
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12963
1033A	King Escape dfs and similar, graphs, implementation	1000	x12969
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13066
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13204
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13297
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13387
510B	Fox And Two Dots dfs and similar	1500	x13418
161D	Distance in Tree dfs and similar, dp, trees	1800	x13590
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13700
687A	NP-Hard Problem dfs and similar, graphs	1500	x13776
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13855
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13880
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13906
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13933
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14047
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14219
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14406
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14486
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14638
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15127
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15673
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15720
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15914
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15997
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16156
1829F	Forever Winter dfs and similar, graphs, math	1300	x16190
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16258
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16262
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16604
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16995
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17043
1167C	News Distribution dfs and similar, dsu, graphs	1400	x17060
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17073
1669G	Fall Down dfs and similar, implementation	1200	x17358
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17615
277A	Learning Languages dfs and similar, dsu	1400	x18116
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18238
1311B	WeirdSort dfs and similar, sortings	1200	x18488
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18836
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19260
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19351
1020B	Badge brute force, dfs and similar, graphs	1000	x20213
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20379
377A	Maze dfs and similar	1600	x21392
893C	Rumor dfs and similar, graphs, greedy	1300	x21682
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21767
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22774
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23790
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24238
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25213
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26923
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28257
115A	Party dfs and similar, graphs, trees	900	x32854
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39821
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46601
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47993
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50299

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