Problemset - Codeforces

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Codeforces Round 943 (Div. 3)
11:29:53
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dfs and similar

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Problems

#	Name
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50131
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47805
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46419
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39657
115A	Party dfs and similar, graphs, trees	900	x32770
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28170
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26884
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25118
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24099
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23739
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22733
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21718
893C	Rumor dfs and similar, graphs, greedy	1300	x21590
377A	Maze dfs and similar	1600	x21314
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20350
1020B	Badge brute force, dfs and similar, graphs	1000	x20161
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19276
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19181
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18789
1311B	WeirdSort dfs and similar, sortings	1200	x18473
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18127
277A	Learning Languages dfs and similar, dsu	1400	x18085
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17561
1669G	Fall Down dfs and similar, implementation	1200	x17287
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17050
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16988
1167C	News Distribution dfs and similar, dsu, graphs	1400	x16979
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16950
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16391
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16237
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16195
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16114
1829F	Forever Winter dfs and similar, graphs, math	1300	x16096
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15926
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15862
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15699
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15594
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15062
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14605
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14433
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14182
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14116
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14018
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13898
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13895
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13826
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13807
687A	NP-Hard Problem dfs and similar, graphs	1500	x13737
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13669
161D	Distance in Tree dfs and similar, dp, trees	1800	x13535
510B	Fox And Two Dots dfs and similar	1500	x13385
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13362
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13250
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13188
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13054
1033A	King Escape dfs and similar, graphs, implementation	1000	x12924
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12916
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12901
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x12624
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12392
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x12283
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12085
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12072
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12003
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x11982
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x11812
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11671
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11660
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11629
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11362
1143C	Queen dfs and similar, trees	1400	x11294
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11213
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10858
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10831
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10778
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10759
1689C	Infected Tree dfs and similar, dp, trees	1600	x10468
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10457
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10418
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10390
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10368
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10229
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10089
429A	Xor-tree dfs and similar, trees	1300	x9983
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9799
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9550
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9487
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9429
1006E	Military Problem dfs and similar, graphs, trees	1600	x9411
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9401
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9384
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9334
919D	Substring dfs and similar, dp, graphs	1700	x9287
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9256
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9186
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9148
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9033
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8986
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8853
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8847

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