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Problemset

18 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
1995D	Cases bitmasks brute force dp strings	2300	3k
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1789F	Serval and Brain Power bitmasks brute force dp greedy implementation strings	2700	1k
1739F	Keyboard Design bitmasks data structures dp string suffix structures strings	2600	671
1720D1	Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers	1800	6.8k
1720D2	Xor-Subsequence (hard version) bitmasks data structures dp strings trees	2400	2.3k
1679E	Typical Party in Dorm bitmasks combinatorics dp strings	2400	1.5k
1635D	Infinite Set bitmasks dp math matrices number theory strings	1800	7.1k
1584F	Strange LCS bitmasks dp graphs greedy strings	2600	1.2k
1550E	Stringforces binary search bitmasks brute force dp strings two pointers	2500	1.9k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1097H	Mateusz and an Infinite Sequence bitmasks brute force dp strings	3400	250
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
868D	Huge Strings bitmasks brute force dp implementation strings	2200	1k

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