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Problemset

169 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2244A	Iskander and Drawings dp games greedy strings	unrated	26.5k
2244E	Masha and the Garland data structures dp greedy implementation math number theory strings	unrated	7.6k
2242D	Two Digit Strings dp strings	1600	6.6k
2229H	Wowee Binary String combinatorics dp strings	3200	212
2209E	A Trivial String Problem brute force dp hashing string suffix structures strings	2200	2k
2205E	Simons and Dividing the Rhythm combinatorics data structures dp dsu math string suffix structures strings	2100	1.8k
2196D	Double Bracket Sequence data structures dp expression parsing flows greedy strings	2500	1.1k
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2190B2	Sub-RBS (Hard Version) dp games implementation strings	1900	3.4k
2181M	Medical Parity dp strings	1700	3.7k
2178B	Impost or Sus dp greedy implementation strings	900	22.4k
2144F	Bracket Groups brute force constructive algorithms dp string suffix structures strings	2700	1.1k
2121E	Sponsor of Your Problems dp greedy implementation strings	1500	15.1k
2109E	Binary String Wowee combinatorics dp strings	2400	1.9k
2104E	Unpleasant Strings binary search dp greedy strings	1700	8.3k
2086D	Even String brute force combinatorics dp math strings	1700	8.6k
2050E	Three Strings dp implementation strings	1500	15k
2045H	Missing Separators dp sortings string suffix structures strings	2200	812
2008E	Alternating String brute force data structures dp greedy implementation strings	1500	13.8k
2005C	Lazy Narek dp implementation strings	1800	8.8k
1996C	Sort dp greedy sortings strings	1200	28.5k
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
1971D	Binary Cut dp greedy implementation sortings strings	1100	31k
1968G1	Division + LCP (easy version) binary search data structures dp hashing string suffix structures strings	1900	5.4k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
1941C	Rudolf and the Ugly String dp greedy strings	900	39.8k
1930D1	Sum over all Substrings (Easy Version) brute force dp greedy strings	1800	4.9k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1924A	Did We Get Everything Covered? constructive algorithms dp greedy shortest paths strings	1500	17k
1917B	Erase First or Second Letter brute force combinatorics data structures dp strings	1100	38.7k
1862A	Gift Carpet dp greedy implementation strings	800	36.6k
1845C	Strong Password binary search dp greedy strings	1400	17.1k
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
1815E	Bosco and Particle dp math number theory strings	3100	466
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
1750E	Bracket Cost binary search data structures divide and conquer dp greedy strings	2400	1.7k
1750F	Majority combinatorics dp math strings	2700	1.3k
1739F	Keyboard Design bitmasks data structures dp string suffix structures strings	2600	671
1729G	Cut Substrings combinatorics dp hashing strings two pointers	2100	2.6k
1721E	Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees	2200	2.7k
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
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
1679E	Typical Party in Dorm bitmasks combinatorics dp strings	2400	1.5k
1660C	Get an Even String dp greedy strings	1300	22.3k
1635D	Infinite Set bitmasks dp math matrices number theory strings	1800	7.1k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1584F	Strange LCS bitmasks dp graphs greedy strings	2600	1.2k
1575H	Holiday Wall Ornaments dp strings	2200	799
1562E	Rescue Niwen! dp greedy string suffix structures strings	2500	1.6k
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
1553D	Backspace dp greedy strings two pointers	1500	15.3k
1550E	Stringforces binary search bitmasks brute force dp strings two pointers	2500	1.9k
1539B	Love Song dp implementation strings	800	26.9k
1537E1	Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers	1600	16.9k
1535C	Unstable String binary search dp greedy implementation strings two pointers	1400	17.9k
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
1499E	Chaotic Merge combinatorics dp math strings	2400	1.7k
1473D	Program data structures dp implementation strings	1700	11.1k
1466C	Canine poetry dp greedy strings	1300	18.9k
1462B	Last Year's Substring dp implementation strings	800	29.4k
1451B	Non-Substring Subsequence dp greedy implementation strings	900	20.3k
1451C	String Equality dp greedy hashing implementation strings	1400	17.4k
1446B	Catching Cheaters dp strings	1800	9.3k
1426F	Number of Subsequences combinatorics dp strings	2000	6.4k
1422E	Minlexes dp greedy implementation strings	2700	912
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1409F	Subsequences of Length Two dp strings	2100	5.2k
1400F	x-prime Substrings brute force dfs and similar dp string suffix structures strings	2800	1.2k
1393E1	Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings	2800	482
1393E2	Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers	3200	521
1366G	Construct the String data structures dp strings	2700	649
1363F	Rotating Substrings dp strings	2600	1.8k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1336C	Kaavi and Magic Spell dp strings	2200	4.2k
1331F	Elementary! *special brute force dp strings	unrated	607
1315B	Homecoming binary search dp greedy strings	1300	9.7k
1310C	Au Pont Rouge binary search dp strings	2800	779
1307C	Cow and Message brute force dp math strings	1500	12.8k
1303E	Erase Subsequences dp strings	2200	3.4k
1297H	Paint the String *special dp strings	unrated	53
1295C	Obtain The String dp greedy strings	1600	14k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1272F	Two Bracket Sequences dp strings two pointers	2200	2.4k
1252D	Find String in a Grid data structures dp strings trees	3000	496
1238D	AB-string binary search combinatorics dp strings	1900	6.5k
1202C	You Are Given a WASD-string... brute force data structures dp greedy implementation math strings	2100	2.8k
1183H	Subsequences (hard version) dp strings	1900	3.7k
1178B	WOW Factor dp strings	1300	22.9k
1163D	Mysterious Code dp strings	2100	1.7k
1149B	Three Religions dp implementation strings	2200	2.1k
1131E	String Multiplication dp greedy strings	2300	1.3k

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