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Problemset

180 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2249C	Double-Rift Dial data structures dfs and similar dsu implementation two pointers	unrated	1k
2239E	The end of this world, data structures divide and conquer dsu graphs	3300	154
2234F	Vessels, Heights and Two Versions (Hard Version) data structures dfs and similar dsu greedy implementation two pointers	1900	2.3k
2222F	Building Tree data structures divide and conquer dsu graphs implementation	2600	716
2207F	Hanabi binary search data structures dp dsu flows graph matchings graphs greedy	2900	315
2205E	Simons and Dividing the Rhythm combinatorics data structures dp dsu math string suffix structures strings	2100	1.8k
2205F	Simons and Reconstructing His Roads constructive algorithms data structures dsu graphs	2400	714
2187C	Jerry and Tom data structures dfs and similar dsu games graphs greedy trees	2300	1.5k
2184E	Exquisite Array combinatorics data structures dsu sortings	1800	6.2k
2176E	Remove at the lowest cost data structures dfs and similar dp dsu greedy implementation trees	2400	1.3k
2172J	Sliding Tiles data structures divide and conquer dsu	2300	606
2171D	Rae Taylor and Trees (easy version) binary search data structures dp dsu greedy implementation trees	1400	12.3k
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2164E	Journey data structures dfs and similar dsu graphs greedy	2300	3.6k
2159B	Rectangles brute force data structures dp dsu greedy implementation two pointers	2100	3.4k
2158E	Sink data structures divide and conquer dsu graphs implementation	2600	665
2157E	Adjusting Drones binary search brute force data structures dp dsu greedy implementation sortings	1900	4.6k
2155F	Juan's Colorful Tree data structures dfs and similar dsu graphs meet-in-the-middle trees	2800	745
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2126G1	Big Wins! (easy version) binary search data structures dp dsu two pointers	2200	2.5k
2126G2	Big Wins! (hard version) binary search data structures divide and conquer dsu trees two pointers	2400	1.2k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2104G	Modulo 3 data structures divide and conquer dsu graphs trees	2700	553
2069F	Graph Inclusion data structures dfs and similar divide and conquer dsu graphs	2800	824
2068E	Porto Vs. Benfica data structures dfs and similar dsu graphs shortest paths	2800	384
2064E	Mycraft Sand Sort combinatorics data structures dsu greedy math sortings	2400	1.5k
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
2049F	MEX OR Mania bitmasks brute force data structures dsu implementation	2700	600
2041J	Bottle Arrangement data structures divide and conquer dp dsu greedy	2700	273
2033D	Kousuke's Assignment data structures dp dsu greedy math	1300	18.6k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2031D	Penchick and Desert Rabbit binary search data structures dfs and similar dp dsu greedy implementation two pointers	1700	10.1k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2022E2	Billetes MX (Hard Version) binary search combinatorics data structures dsu graphs	2600	730
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2021E2	Digital Village (Hard Version) data structures dp dsu graphs math trees	2500	1.3k
2021E3	Digital Village (Extreme Version) data structures dfs and similar dp dsu graphs greedy math trees	2800	725
2018D	Max Plus Min Plus Size data structures dp dsu greedy implementation matrices sortings	2200	2.2k
2018E1	Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings	3300	246
2018E2	Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings	3400	210
2006B	Iris and the Tree brute force data structures dfs and similar dsu math trees	1800	4.4k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1985H2	Maximize the Largest Component (Hard Version) data structures dfs and similar dp dsu implementation	2200	2k
1981E	Turtle and Intersected Segments data structures dsu graphs greedy	2600	1.3k
1978F	Large Graph data structures dfs and similar dsu graphs number theory two pointers	2400	1.6k
1971G	XOUR data structures dsu sortings	1700	11.7k
1956F	Nene and the Passing Game constructive algorithms data structures dsu graphs sortings	3000	747
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1940C	Burenka and Pether *special data structures dfs and similar divide and conquer dsu graphs sortings trees	unrated	44
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1923E	Count Paths data structures dfs and similar dp dsu graphs trees	2000	5.3k
1922D	Berserk Monsters brute force data structures dsu implementation math	1900	6.9k
1920F1	Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths	2500	1.3k
1920F2	Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees	3000	668
1919D	01 Tree constructive algorithms data structures dsu greedy sortings trees	2100	4.6k
1909C	Heavy Intervals constructive algorithms data structures dsu greedy math sortings	1400	13.4k
1899G	Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees two pointers	1900	4.1k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1887D	Split binary search data structures divide and conquer dsu math trees two pointers	2700	1.3k
1859D	Andrey and Escape from Capygrad binary search data structures dp dsu greedy sortings	1800	8.1k
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1849E	Max to the Right of Min binary search data structures divide and conquer dp dsu two pointers	2300	2.3k
1847D	Professor Higashikata data structures dsu greedy implementation strings	1900	4.3k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1844H	Multiple of Three Cycles combinatorics data structures dp dsu math	3400	305
1824C	LuoTianyi and XOR-Tree data structures dfs and similar dp dsu greedy trees	2500	1.7k
1810E	Monsters brute force data structures dfs and similar dsu graphs greedy	2100	4k
1804G	Flow Control data structures dsu implementation	3500	254
1801E	Gasoline prices data structures divide and conquer dsu hashing trees	3000	748
1797E	Li Hua and Array brute force data structures dsu math number theory two pointers	2300	1.7k
1797F	Li Hua and Path data structures dfs and similar divide and conquer dsu trees	3000	666
1779D	Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings	1700	9.2k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1763F	Edge Queries data structures dfs and similar dp dsu graphs trees	3000	750
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1726C	Jatayu's Balanced Bracket Sequence data structures dsu graphs greedy	1300	13.5k
1725K	Kingdom of Criticism data structures dsu	2500	846
1713E	Cross Swapping 2-sat data structures dsu greedy matrices	2400	2k
1709E	XOR Tree bitmasks data structures dfs and similar dsu greedy trees	2400	4.2k
1706E	Qpwoeirut and Vertices binary search data structures dfs and similar divide and conquer dsu greedy trees	2300	4k
1691E	Number of Groups data structures dfs and similar dsu graphs greedy sortings	2300	2.2k
1687C	Sanae and Giant Robot binary search brute force data structures dsu greedy sortings	2500	1.7k
1687D	Cute number binary search brute force data structures dsu implementation math	2900	775
1681F	Unique Occurrences data structures dfs and similar divide and conquer dp dsu trees	2300	2.4k
1670C	Where is the Pizza? data structures dfs and similar dsu graphs implementation math	1400	11.1k
1661E	Narrow Components brute force data structures dp dsu math trees	2500	1.2k
1648E	Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	3200	601
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1638C	Inversion Graph data structures dsu graphs math	1300	16.1k
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1628E	Groceries in Meteor Town binary search data structures dsu trees	3100	1.3k
1620E	Replace the Numbers constructive algorithms data structures dsu implementation	1900	9.8k
1618G	Trader Problem data structures dsu greedy sortings	2200	2k
1578B	Building Forest Trails data structures dsu	2800	491
1556G	Gates to Another World bitmasks data structures dsu two pointers	3300	471
1555F	Good Graph data structures dsu graphs trees	2700	1.1k

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