Problemset - Codeforces

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Before contest
Codeforces Round #680 (Div. 1, based on Moscow Team Olympiad)
4 days

Before contest
Codeforces Round #680 (Div. 2, based on Moscow Team Olympiad)
4 days

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Difficulty: —

dfs and similar

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Problems

#	Name
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x6081
115A	Party dfs and similar, graphs, trees	900	x18359
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x8456
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x2919
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x26698
1020B	Badge brute force, dfs and similar, graphs	1000	x12221
1033A	King Escape dfs and similar, graphs, implementation	1000	x7419
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x6906
1324C	Frog Jumps binary search, data structures, dfs and similar, greedy, implementation	1100	x16483
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x23995
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x13858
1311B	WeirdSort dfs and similar, sortings	1200	x12845
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x12203
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x10855
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x9339
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x7061
129B	Students and Shoelaces brute force, dfs and similar, graphs, implementation	1200	x6685
893C	Rumor dfs and similar, graphs, greedy	1300	x10426
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x10305
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x8249
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x8005
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x6728
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x6506
429A	Xor-tree dfs and similar, trees	1300	x6443
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x5879
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x3975
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x2863
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2070
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x23763
546C	Soldier and Cards brute force, dfs and similar, games	1400	x11036
277A	Learning Languages dfs and similar, dsu	1400	x10744
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x10252
1167C	News Distribution dfs and similar, dsu, graphs	1400	x8669
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x7300
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x7174
1143C	Queen dfs and similar, trees	1400	x6323
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x5994
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x5955
1130C	Connect brute force, dfs and similar, dsu	1400	x5773
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x4443
526B	Om Nom and Dark Park dfs and similar, greedy, implementation	1400	x3963
107A	Dorm Water Supply dfs and similar, graphs	1400	x3127
60B	Serial Time! dfs and similar, dsu	1400	x2951
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x1817
580C	Kefa and Park dfs and similar, graphs, trees	1500	x18812
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x10612
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x9536
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x9246
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x9140
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x9113
687A	NP-Hard Problem dfs and similar, graphs	1500	x8960
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x8628
510B	Fox And Two Dots dfs and similar	1500	x8617
1106D	Lunar New Year and a Wander data structures, dfs and similar, graphs, greedy, shortest paths	1500	x8340
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x7588
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x7497
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x7420
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x6569
574B	Bear and Three Musketeers brute force, dfs and similar, graphs, hashing	1500	x5743
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x5591
103B	Cthulhu dfs and similar, dsu, graphs	1500	x5520
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x4848
320B	Ping-Pong (Easy Version) dfs and similar, graphs	1500	x4790
300B	Coach brute force, dfs and similar, graphs	1500	x4102
329B	Biridian Forest dfs and similar, shortest paths	1500	x4029
884C	Bertown Subway dfs and similar, greedy, math	1500	x3407
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x3334
128A	Statues dfs and similar	1500	x2430
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x2320
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x1945
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x1870
190C	STL dfs and similar	1500	x1813
177C2	Party brute force, dfs and similar, dsu, graphs	1500	x1549
177C1	Party dfs and similar, dsu, graphs	1500	x1499
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1473
316B1	EKG brute force, dfs and similar	1500	x1232
212E	IT Restaurants dfs and similar, dp, trees	1500	x857
377A	Maze dfs and similar	1600	x11974
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x11777
510C	Fox And Names dfs and similar, graphs, sortings	1600	x8385
1303C	Perfect Keyboard dfs and similar, greedy, implementation	1600	x7964
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x7028
500B	New Year Permutation dfs and similar, dsu, graphs, greedy, math, sortings	1600	x6712
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x6446
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x6343
369C	Valera and Elections dfs and similar, graphs, trees	1600	x6162
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x5678
1006E	Military Problem dfs and similar, graphs, trees	1600	x5591
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x5324
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x5126
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x5043
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x4864
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x4770
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x4659
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x4253
979C	Kuro and Walking Route dfs and similar, trees	1600	x4178
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x4068
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x4008
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x3896
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x3591

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