Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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dfs and similar

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Problems

#	Name
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x23727
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22716
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11356
115A	Party dfs and similar, graphs, trees	900	x32735
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25068
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13351
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5745
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50083
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24053
1020B	Badge brute force, dfs and similar, graphs	1000	x20145
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13179
1033A	King Escape dfs and similar, graphs, implementation	1000	x12911
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x26840
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18095
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13890
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x830
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46346
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x28132
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21692
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20331
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x18761
1311B	WeirdSort dfs and similar, sortings	1200	x18470
1669G	Fall Down dfs and similar, implementation	1200	x17264
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16960
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16313
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15693
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x11661
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10451
893C	Rumor dfs and similar, graphs, greedy	1300	x21563
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16934
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16223
1829F	Forever Winter dfs and similar, graphs, math	1300	x16055
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15896
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14404
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14085
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14052
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11401
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x10838
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10350
429A	Xor-tree dfs and similar, trees	1300	x9975
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8799
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x7779
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5133
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4875
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2810
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47745
277A	Learning Languages dfs and similar, dsu	1400	x18071
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17546
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17034
1167C	News Distribution dfs and similar, dsu, graphs	1400	x16922
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14011
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13049
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12361
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12071
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12066
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11183
1143C	Queen dfs and similar, trees	1400	x11175
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9542
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9480
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9142
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8982
1130C	Connect brute force, dfs and similar, dsu	1400	x8305
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8222
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5522
107A	Dorm Water Supply dfs and similar, graphs	1400	x4913
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x4465
60B	Serial Time! dfs and similar, dsu	1400	x4432
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4265
1600J	Robot Factory bitmasks, dfs and similar	1400	x3770
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39607
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19142
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16174
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15848
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15572
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14591
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x13883
687A	NP-Hard Problem dfs and similar, graphs	1500	x13730
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13663
510B	Fox And Two Dots dfs and similar	1500	x13376
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13218
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12864
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x11988
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x11962
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10822
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10761
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9365
103B	Cthulhu dfs and similar, dsu, graphs	1500	x8511
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x7861
574B	Bear and Three Musketeers brute force, dfs and similar, graphs, hashing	1500	x7596
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x7071
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6739
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6233
300B	Coach brute force, dfs and similar, graphs	1500	x6080
329B	Biridian Forest dfs and similar, shortest paths	1500	x6061
884C	Bertown Subway dfs and similar, greedy, math	1500	x4611
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4458
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3572
128A	Statues dfs and similar	1500	x3114
190C	STL dfs and similar	1500	x2709
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2524

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