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Problemset

47 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2222F	Building Tree data structures divide and conquer dsu graphs implementation	2600	716
2158E	Sink data structures divide and conquer dsu graphs implementation	2600	665
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
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
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
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1936C	Pokémon Arena data structures graphs greedy implementation shortest paths sortings	2400	1.8k
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
1866K	Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	2500	585
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1809F	Traveling in Berland binary search data structures graphs greedy implementation	2500	972
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
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1468M	Similar Sets data structures graphs implementation	2300	1.2k
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1416D	Graph and Queries data structures dsu graphs implementation trees	2600	2.9k
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
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
1091E	New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings	2400	1.1k
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	543
420C	Bug in Code data structures graphs implementation two pointers	1900	1.4k
280D	k-Maximum Subsequence Sum data structures flows graphs implementation	2800	1.7k
175F	Gnomes of Might and Magic data structures graphs implementation shortest paths	3000	77
117E	Tree or not Tree data structures divide and conquer graphs implementation trees	2900	451
29C	Mail Stamps data structures dfs and similar graphs implementation	1700	6.7k

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