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Problemset

44 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2209E	A Trivial String Problem brute force dp hashing string suffix structures strings	2200	2k
2144F	Bracket Groups brute force constructive algorithms dp string suffix structures strings	2700	1.1k
2086D	Even String brute force combinatorics dp math strings	1700	8.6k
2008E	Alternating String brute force data structures dp greedy implementation strings	1500	13.8k
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
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1930D1	Sum over all Substrings (Easy Version) brute force dp greedy strings	1800	4.9k
1917B	Erase First or Second Letter brute force combinatorics data structures dp strings	1100	38.7k
1841C	Ranom Numbers brute force dp greedy math strings	1800	9.2k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1821E	Rearrange Brackets brute force dp greedy sortings strings	2100	2.8k
1789F	Serval and Brain Power bitmasks brute force dp greedy implementation strings	2700	1k
1771D	Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	2100	3.3k
1720D1	Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers	1800	6.8k
1714D	Color with Occurrences brute force data structures dp greedy strings	1600	10.5k
1701E	Text Editor brute force dp greedy strings	2500	1.4k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1555D	Say No to Palindromes brute force constructive algorithms dp strings	1600	16k
1553B	Reverse String brute force dp hashing implementation strings	1300	15.6k
1550E	Stringforces binary search bitmasks brute force dp strings two pointers	2500	1.9k
1537E1	Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers	1600	16.9k
1511F	Chainword brute force data structures dp matrices string suffix structures strings	2700	598
1506G	Maximize the Remaining String brute force data structures dp greedy strings	2000	4.9k
1400F	x-prime Substrings brute force dfs and similar dp string suffix structures strings	2800	1.2k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1331F	Elementary! *special brute force dp strings	unrated	607
1307C	Cow and Message brute force dp math strings	1500	12.8k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1202C	You Are Given a WASD-string... brute force data structures dp greedy implementation math strings	2100	2.8k
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
835D	Palindromic characteristics brute force dp hashing strings	1900	4.8k
814C	An impassioned circulation of affection brute force dp strings two pointers	1600	8k
798B	Mike and strings brute force dp strings	1300	9.3k
766C	Mahmoud and a Message brute force dp greedy strings	1700	5k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
653B	Bear and Compressing brute force dfs and similar dp strings	1300	5.4k
552E	Vanya and Brackets brute force dp expression parsing greedy implementation strings	2100	1.8k
550A	Two Substrings brute force dp greedy implementation strings	1500	44.4k
165C	Another Problem on Strings binary search brute force dp math strings two pointers	1600	14k
159D	Palindrome pairs *special brute force dp strings	1500	4.7k
54D	Writing a Song brute force dp strings	2100	738

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