Problemset - Codeforces

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dsu

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Problems

#	Name
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12012
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12026
356A	Knight Tournament data structures, dsu	1500	x12751
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x13272
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14616
1332C	K-Complete Word dfs and similar, dsu, greedy, implementation, strings	1500	x15616
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19214
60B	Serial Time! dfs and similar, dsu	1400	x4437
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5543
1130C	Connect brute force, dfs and similar, dsu	1400	x8314
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9495
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9555
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9912
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12081
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12097
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x12133
1292A	NEKO's Maze Game data structures, dsu, implementation	1400	x12935
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13205
1167C	News Distribution dfs and similar, dsu, graphs	1400	x17015
277A	Learning Languages dfs and similar, dsu	1400	x18100
1055B	Alice and Hairdresser dsu, implementation	1300	x4893
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5428
515B	Drazil and His Happy Friends brute force, dsu, meet-in-the-middle, number theory	1300	x7359
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11677
1726C	Jatayu's Balanced Bracket Sequence data structures, dsu, graphs, greedy	1300	x12063
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12485
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14355
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16246
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18176
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1200	x9084
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10466
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15569
217A	Ice Skating brute force, dfs and similar, dsu, graphs	1200	x20367
501B	Misha and Changing Handles data structures, dsu, strings	1100	x15604
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18155
1249B1	Books Exchange (easy version) dsu, math	1000	x20112
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21202

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