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Problemset

22 problems · filtered by 4 tags

#	Name	Rating↕	Solved↕
2126F	1-1-1, Free Tree! brute force data structures dfs and similar graphs implementation trees	2000	4.4k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2063F2	Counting Is Not Fun (Hard Version) combinatorics data structures dfs and similar dsu graphs implementation trees	2700	951
2062E2	The Game (Hard Version) data structures dfs and similar games graphs implementation trees	3000	464
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1904E	Tree Queries data structures dfs and similar graphs implementation trees	2500	1.4k
1904F	Beautiful Tree data structures dfs and similar graphs implementation trees	2800	581
1902F	Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees	2400	1.5k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1670C	Where is the Pizza? data structures dfs and similar dsu graphs implementation math	1400	11.1k
1662F	Antennas data structures dfs and similar graphs implementation shortest paths	unrated	1.3k
1648E	Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	3200	601
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
29C	Mail Stamps data structures dfs and similar graphs implementation	1700	6.7k

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