Problemset - Codeforces

→ Pay attention

Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
13 days
Register now »

Before contest
Kotlin Heroes: Practice 10
05:13:10
Register now »

→ Filter Problems

Difficulty: —

dfs and similar

Add tag

Problems

#	Name
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50217
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47915
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46502
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39755
115A	Party dfs and similar, graphs, trees	900	x32812
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28203
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26911
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25172
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24151
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23754
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22753
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21736
893C	Rumor dfs and similar, graphs, greedy	1300	x21634
377A	Maze dfs and similar	1600	x21355
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20370
1020B	Badge brute force, dfs and similar, graphs	1000	x20185
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19305
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19219
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18814
1311B	WeirdSort dfs and similar, sortings	1200	x18484
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18167
277A	Learning Languages dfs and similar, dsu	1400	x18103
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17594
1669G	Fall Down dfs and similar, implementation	1200	x17327
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17069
1167C	News Distribution dfs and similar, dsu, graphs	1400	x17024
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17019
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16969
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16503
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16249
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16222
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16139
1829F	Forever Winter dfs and similar, graphs, math	1300	x16138
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15969
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15884
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15710
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15623
510C	Fox And Names dfs and similar, graphs, sortings	1600	x15093
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14622
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14463
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14294
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14165
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14032
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13907
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13903
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13855
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13836
687A	NP-Hard Problem dfs and similar, graphs	1500	x13764
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13683
161D	Distance in Tree dfs and similar, dp, trees	1800	x13559
510B	Fox And Two Dots dfs and similar	1500	x13393
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13377
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13276
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13199
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13058
1033A	King Escape dfs and similar, graphs, implementation	1000	x12944
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12942
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12934
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x12653
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12425
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x12320
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12100
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12085
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12028
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12014
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x11821
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11688
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11678
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11654
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11376
1143C	Queen dfs and similar, trees	1400	x11345
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11237
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10954
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10837
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10794
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10771
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10493
1689C	Infected Tree dfs and similar, dp, trees	1600	x10478
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10468
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10433
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10394
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10275
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10103
429A	Xor-tree dfs and similar, trees	1300	x9988
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9806
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math		x9805
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9557
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9495
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9442
1006E	Military Problem dfs and similar, graphs, trees	1600	x9427
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9424
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9400
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9343
919D	Substring dfs and similar, dp, graphs	1700	x9319
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9264
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9194
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9159
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9063
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8995
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8858

←