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Problemset

28 problems · filtered by 4 tags

#	Name	Rating↕	Solved↕
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2208D2	Tree Orientation (Hard Version) dfs and similar dsu graphs greedy sortings trees	2200	2.1k
2187C	Jerry and Tom data structures dfs and similar dsu games graphs greedy trees	2300	1.5k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2021E3	Digital Village (Extreme Version) data structures dfs and similar dp dsu graphs greedy math trees	2800	725
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1707C	DFS Trees dfs and similar dsu graphs greedy sortings trees	2400	2k
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1609D	Social Network dsu graphs greedy implementation trees	1600	8.6k
1559D1	Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees	1400	16.5k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1408E	Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees	2400	2.2k
1383A	String Transformation 1 dsu graphs greedy sortings strings trees two pointers	1700	11.4k
1245D	Shichikuji and Power Grid dsu graphs greedy shortest paths trees	1900	10.1k
1220E	Tourism dfs and similar dp dsu graphs greedy trees	2200	3.1k
1120D	Power Tree dfs and similar dp dsu graphs greedy trees	2500	1.8k
1042F	Leaf Sets data structures dfs and similar dsu graphs greedy sortings trees	2400	1.6k
436C	Dungeons and Candies dsu graphs greedy trees	1800	2.9k
260D	Black and White Tree constructive algorithms dsu graphs greedy trees	2100	1.7k

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