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Problemset

69 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
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
2207G	Toothless constructive algorithms dfs and similar dsu	3300	185
2205F	Simons and Reconstructing His Roads constructive algorithms data structures dsu graphs	2400	714
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
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
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1956F	Nene and the Passing Game constructive algorithms data structures dsu graphs sortings	3000	747
1940A	Parallel Universes *special constructive algorithms dfs and similar dsu graphs	unrated	106
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
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
1844E	Great Grids 2-sat constructive algorithms dfs and similar dsu graphs	2400	2.2k
1833G	Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees	1800	6.5k
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
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1764F	Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees	2500	1.3k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1740G	Dangerous Laser Power constructive algorithms dsu sortings	3100	403
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
1689E	ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs	2500	1.4k
1685D1	Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu	2800	535
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1635E	Cars 2-sat constructive algorithms dfs and similar dsu graphs greedy sortings	2200	2.9k
1620A	Equal or Not Equal constructive algorithms dsu implementation	800	23.3k
1620E	Replace the Numbers constructive algorithms data structures dsu implementation	1900	9.8k
1594D	The Number of Imposters constructive algorithms dfs and similar dp dsu graphs	1700	9.8k
1592B	Hemose Shopping constructive algorithms dsu math sortings	1200	17.4k
1567F	One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation	2700	888
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
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
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
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1365D	Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths	1700	21.3k
1361C	Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs	2500	2.1k
1344B	Monopole Magnets constructive algorithms dfs and similar dsu graphs	2000	6.4k
1253D	Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings	1700	10.4k
1133F2	Spanning Tree with One Fixed Degree constructive algorithms dfs and similar dsu graphs greedy	1900	3.9k
1131F	Asya And Kittens constructive algorithms dsu	1700	7.9k
1107G	Vasya and Maximum Profit binary search constructive algorithms data structures dp dsu	2400	1.3k
1012B	Chemical table constructive algorithms dfs and similar dsu graphs matrices	1900	4.4k
788B	Weird journey combinatorics constructive algorithms dfs and similar dsu graphs	2100	2.9k
765D	Artsem and Saunders constructive algorithms dsu math	1700	2.6k
698B	Fix a Tree constructive algorithms dfs and similar dsu graphs trees	1700	6.2k
441D	Valera and Swaps constructive algorithms dsu graphs implementation math string suffix structures	2100	1.3k
409H	A + B Strikes Back *special brute force constructive algorithms dsu implementation	1500	9.6k
313E	Ilya and Two Numbers constructive algorithms data structures dsu greedy	2300	631
260D	Black and White Tree constructive algorithms dsu graphs greedy trees	2100	1.7k
209C	Trails and Glades constructive algorithms dsu graphs greedy	2400	922
141E	Clearing Up constructive algorithms dp dsu graphs	2300	1.4k
36E	Two Paths constructive algorithms dsu graphs implementation	2600	637

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