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Problemset

67 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2179F	Blackslex and Another RGB Walking communication constructive algorithms graphs interactive number theory trees	2000	2.9k
2164G	Pointless Machine constructive algorithms graphs interactive trees	3300	249
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2150F	Cycle Closing constructive algorithms graphs implementation shortest paths trees	3000	224
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2112D	Reachability and Tree constructive algorithms dfs and similar graphs trees	1700	9.8k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2025F	Choose Your Queries constructive algorithms dfs and similar dp graphs greedy trees	2700	1.1k
2006A	Iris and Game on the Tree constructive algorithms dfs and similar games graphs greedy trees	1700	9.8k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1994F	Stardew Valley constructive algorithms dfs and similar graphs trees	2500	1.6k
1939B	Evidence Board *special constructive algorithms dfs and similar graphs trees	unrated	308
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
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
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1682E	Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees	2700	777
1592C	Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	1700	9.3k
1583E	Moment of Bloom constructive algorithms dfs and similar graph matchings graphs greedy trees	2200	2.5k
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
1534H	Lost Nodes constructive algorithms dp graphs interactive sortings trees	3500	314
1519E	Off by One constructive algorithms dfs and similar geometry graphs sortings trees	2700	943
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1406C	Link Cut Centroids constructive algorithms dfs and similar graphs trees	1700	12k
1391E	Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees	2600	2.1k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1364D	Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees	2100	5.1k
1340D	Nastya and Time Machine constructive algorithms dfs and similar graphs trees	2600	1.1k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1214E	Petya and Construction Set constructive algorithms graphs math sortings trees	2000	2.9k
1174F	Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees	2400	2.1k
1141G	Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees	1900	2.6k
1098C	Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees	2400	1.2k
1056D	Decorate Apple Tree constructive algorithms dfs and similar dp graphs greedy sortings trees	1600	6.8k
923F	Public Service constructive algorithms graphs trees	3200	143
911F	Tree Destruction constructive algorithms dfs and similar graphs greedy trees	2400	2.4k
847L	Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees	2400	363
843C	Upgrading Tree constructive algorithms dfs and similar graphs math trees	2600	416
830E	Perpetual Motion Machine constructive algorithms dp graphs implementation math trees	3100	373
796D	Police Stations constructive algorithms dfs and similar dp graphs shortest paths trees	2100	7.8k
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	543
761E	Dasha and Puzzle constructive algorithms dfs and similar graphs greedy trees	2000	2.4k
748F	Santa Clauses and a Soccer Championship constructive algorithms dfs and similar graphs trees	2300	744
746G	New Roads constructive algorithms graphs trees	2100	1.7k
698B	Fix a Tree constructive algorithms dfs and similar dsu graphs trees	1700	6.2k
681D	Gifts by the List constructive algorithms dfs and similar graphs trees	2000	1.9k
639B	Bear and Forgotten Tree 3 constructive algorithms graphs trees	1600	7k
570D	Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees	2200	9.3k
317C	Balance constructive algorithms dfs and similar graphs trees	2500	584
260D	Black and White Tree constructive algorithms dsu graphs greedy trees	2100	1.7k
193A	Cutting Figure constructive algorithms graphs trees	1700	4.7k

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