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Problemset

49 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2174A	Needle in a Haystack greedy strings two pointers	1200	15.2k
2164D	Copy String greedy implementation strings two pointers	1800	6.2k
2094D	Tung Tung Sahur greedy strings two pointers	1100	24.5k
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2069D	Palindrome Shuffle binary search greedy hashing strings two pointers	1800	7.2k
2025A	Two Screens binary search greedy strings two pointers	800	29.1k
2010C2	Message Transmission Error (hard version) hashing string suffix structures strings two pointers	1700	4.8k
1948D	Tandem Repeats? brute force strings two pointers	1700	12.8k
1898E	Sofia and Strings data structures greedy sortings strings two pointers	2200	2.8k
1896B	AB Flipping greedy strings two pointers	900	18.8k
1840A	Cipher Shifer implementation strings two pointers	800	38.7k
1820B	JoJo's Incredible Adventures math strings two pointers	1100	24.5k
1789B	Serval and Inversion Magic brute force implementation strings two pointers	800	17.7k
1730D	Prefixes and Suffixes constructive algorithms strings two pointers	2200	3.1k
1729G	Cut Substrings combinatorics dp hashing strings two pointers	2100	2.6k
1720D1	Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers	1800	6.8k
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1680C	Binary String binary search greedy strings two pointers	1600	11.2k
1582C	Grandma Capa Knits a Scarf brute force data structures greedy strings two pointers	1200	25.2k
1553D	Backspace dp greedy strings two pointers	1500	15.3k
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
1537E2	Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers	2200	6.4k
1535C	Unstable String binary search dp greedy implementation strings two pointers	1400	17.9k
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1469E	A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers	2400	2.2k
1393E2	Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers	3200	521
1383A	String Transformation 1 dsu graphs greedy sortings strings trees two pointers	1700	11.4k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1313E	Concatenation with intersection data structures hashing strings two pointers	2700	778
1305B	Kuroni and Simple Strings constructive algorithms greedy strings two pointers	1200	12.6k
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1272F	Two Bracket Sequences dp strings two pointers	2200	2.4k
1257C	Dominated Subarray greedy implementation sortings strings two pointers	1200	17.4k
1251A	Broken Keyboard brute force strings two pointers	1000	21.7k
814C	An impassioned circulation of affection brute force dp strings two pointers	1600	8k
762C	Two strings binary search hashing strings two pointers	2100	3.1k
744E	Hongcow Masters the Cyclic Shift strings two pointers	3200	157
701C	They Are Everywhere binary search strings two pointers	1500	20.6k
676C	Vasya and String binary search dp strings two pointers	1500	23.5k
533E	Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers	1800	2.5k
444D	DZY Loves Strings binary search hashing strings two pointers	2500	897
432D	Prefixes and Suffixes dp string suffix structures strings two pointers	2000	12.6k
386C	Diverse Substrings dp strings two pointers	2000	972
318B	Strings of Power implementation strings two pointers	1300	8.4k
165C	Another Problem on Strings binary search brute force dp math strings two pointers	1600	14k
79C	Beaver data structures dp greedy hashing strings two pointers	1800	2.1k

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