11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

131 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2244C	Stepan and Permutation constructive algorithms dfs and similar dsu greedy math number theory sortings	unrated	15.6k
2234C	Vessels, Heights and Two Versions (Easy Version) dfs and similar dsu greedy implementation two pointers	1200	12k
2234F	Vessels, Heights and Two Versions (Hard Version) data structures dfs and similar dsu greedy implementation two pointers	1900	2.3k
2211C2	Equal Multisets (Hard Version) constructive algorithms dsu greedy	1800	4.2k
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
2207F	Hanabi binary search data structures dp dsu flows graph matchings graphs greedy	2900	315
2187C	Jerry and Tom data structures dfs and similar dsu games graphs greedy trees	2300	1.5k
2176E	Remove at the lowest cost data structures dfs and similar dp dsu greedy implementation trees	2400	1.3k
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
2157E	Adjusting Drones binary search brute force data structures dp dsu greedy implementation sortings	1900	4.6k
2129A	Double Perspective constructive algorithms dp dsu graphs greedy sortings	1300	18.3k
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2117G	Omg Graph brute force dsu graphs greedy shortest paths sortings	1900	5.4k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2106F	Goblin dfs and similar dp dsu greedy math	1900	4.5k
2086C	Disappearing Permutation dfs and similar dp dsu graphs greedy implementation	1300	16.6k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2064E	Mycraft Sand Sort combinatorics data structures dsu greedy math sortings	2400	1.5k
2060E	Graph Composition dfs and similar dsu graphs greedy	1500	12.7k
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
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
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
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1981E	Turtle and Intersected Segments data structures dsu graphs greedy	2600	1.3k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
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
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
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1859D	Andrey and Escape from Capygrad binary search data structures dp dsu greedy sortings	1800	8.1k
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1850H	The Third Letter dfs and similar dsu graphs greedy implementation	1700	10.2k
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
1833G	Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees	1800	6.5k
1827B1	Range Sorting (Easy Version) binary search dp dsu greedy trees two pointers	2000	4.6k
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
1800E1	Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings	1400	15.9k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1799E	City Union constructive algorithms dfs and similar dsu geometry greedy implementation math	2300	1.4k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1779D	Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings	1700	9.2k
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
1735C	Phase Shift dfs and similar dsu graphs greedy implementation strings	1400	11k
1726C	Jatayu's Balanced Bracket Sequence data structures dsu graphs greedy	1300	13.5k
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
1707C	DFS Trees dfs and similar dsu graphs greedy sortings trees	2400	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
1675E	Replace With the Previous, Minimize dsu greedy strings	1500	12.2k
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1635E	Cars 2-sat constructive algorithms dfs and similar dsu graphs greedy sortings	2200	2.9k
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1624G	MinOr Tree bitmasks dfs and similar dsu graphs greedy	1900	7.9k
1619G	Unusual Minesweeper binary search dfs and similar dsu greedy sortings	2000	2.8k
1618G	Trader Problem data structures dsu greedy sortings	2200	2k
1609D	Social Network dsu graphs greedy implementation trees	1600	8.6k
1578L	Labyrinth binary search dsu greedy	2400	1.5k
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
1537F	Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math	2200	2.9k
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1513D	GCD and MST constructive algorithms dsu graphs greedy number theory sortings	2000	6.7k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1468J	Road Reform dsu graphs greedy	1800	6.2k
1466F	Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings	2100	3.1k
1442B	Identify the Operations combinatorics data structures dsu greedy implementation	1800	5.4k
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
1370D	Odd-Even Subsequence binary search dp dsu greedy implementation	2000	11.2k
1365D	Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths	1700	21.3k
1335F	Robots on a Grid data structures dfs and similar dsu graphs greedy matrices	2200	2.5k
1332C	K-Complete Word dfs and similar dsu greedy implementation strings	1500	21.7k
1253D	Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings	1700	10.4k
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
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1209G1	Into Blocks (easy version) data structures dsu greedy implementation two pointers	2000	4.1k

showing 1–100 of 131