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Problemset

18 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2180C	XOR-factorization bitmasks constructive algorithms dp greedy number theory	1900	6.7k
2109C1	Hacking Numbers (Easy Version) bitmasks constructive algorithms interactive math number theory	1500	11.8k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1965B	Missing Subsequence Sum bitmasks constructive algorithms greedy number theory	1800	8.3k
1909B	Make Almost Equal With Mod bitmasks constructive algorithms math number theory	1200	33.3k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1864C	Divisor Chain bitmasks constructive algorithms math number theory	1300	15.5k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1748D	ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory	2100	3.3k
1707F	Bugaboo bitmasks constructive algorithms dp number theory	3500	186
1665D	GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory	2000	4.8k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1325D	Ehab the Xorcist bitmasks constructive algorithms greedy number theory	1700	13.8k
1225G	To Make 1 bitmasks constructive algorithms dp greedy number theory	3100	665
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
912B	New Year's Eve bitmasks constructive algorithms number theory	1300	14.2k

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