Problemset - Codeforces

→ Pay attention

Before contest
Educational Codeforces Round 166 (Rated for Div. 2)
30:37:52
Register now »

→ Filter Problems

Difficulty: —

dfs and similar

Add tag

Problems

#	Name
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23852
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22851
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11428
115A	Party dfs and similar, graphs, trees	900	x32999
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25407
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13418
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5795
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50565
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24446
1020B	Badge brute force, dfs and similar, graphs	1000	x20278
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13277
1033A	King Escape dfs and similar, graphs, implementation	1000	x13020
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26996
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18492
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13921
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x856
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46849
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28385
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21896
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20486
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18876
1311B	WeirdSort dfs and similar, sortings	1200	x18522
1669G	Fall Down dfs and similar, implementation	1200	x17486
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17149
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16865
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15764
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11743
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10500
893C	Rumor dfs and similar, graphs, greedy	1300	x21835
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17084
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16349
1829F	Forever Winter dfs and similar, graphs, math	1300	x16325
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x16143
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14791
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14567
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14346
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x12330
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11736
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x11000
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10559
429A	Xor-tree dfs and similar, trees	1300	x10028
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8820
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x7811
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5166
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4898
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2820
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48300
277A	Learning Languages dfs and similar, dsu	1400	x18185
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17695
1167C	News Distribution dfs and similar, dsu, graphs	1400	x17186
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17113
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14097
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13089
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12568
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12158
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12123
1143C	Queen dfs and similar, trees	1400	x11507
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11388
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9614
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9549
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9207
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9016
1130C	Connect brute force, dfs and similar, dsu	1400	x8350
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8265
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5562
107A	Dorm Water Supply dfs and similar, graphs	1400	x4958
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4471
60B	Serial Time! dfs and similar, dsu	1400	x4457
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4314
1600J	Robot Factory bitmasks, dfs and similar	1400	x3793
580C	Kefa and Park dfs and similar, graphs, trees	1500	x40103
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19401
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16349
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15989
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15743
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14700
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13997
687A	NP-Hard Problem dfs and similar, graphs	1500	x13835
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13747
510B	Fox And Two Dots dfs and similar	1500	x13471
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13348
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x13020
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12152
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12095
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10890
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10875
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9532
103B	Cthulhu dfs and similar, dsu, graphs	1500	x8552
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x7939
574B	Bear and Three Musketeers brute force, dfs and similar, graphs, hashing	1500	x7633
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7106
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6834
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6367
329B	Biridian Forest dfs and similar, shortest paths	1500	x6141
300B	Coach brute force, dfs and similar, graphs	1500	x6134
884C	Bertown Subway dfs and similar, greedy, math	1500	x4623
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4503
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3591
128A	Statues dfs and similar	1500	x3133
190C	STL dfs and similar	1500	x2724

←