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Problemset

818 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1043G	Speckled Band data structures divide and conquer hashing string suffix structures strings	3500	329
1038A	Equality implementation strings	800	15.7k
1038F	Wrap Around dp strings	2900	526
1037C	Equalize dp greedy strings	1300	20.2k
1029A	Many Equal Substrings implementation strings	1300	13.6k
1027A	Palindromic Twist implementation strings	1000	19.2k
1023A	Single Wildcard Pattern Matching brute force implementation strings	1200	9.4k
1017E	The Supersonic Rocket geometry hashing strings	2400	1.1k
1015F	Bracket Substring dp strings	2300	1.5k
1012D	AB-Strings constructive algorithms strings	2800	450
1008A	Romaji implementation strings	900	16.5k
1005B	Delete from the Left brute force implementation strings	900	27.8k
1003F	Abbreviation dp hashing strings	2200	1.6k
989A	A Blend of Springtime implementation strings	900	11.2k
989B	A Tide of Riverscape constructive algorithms strings	1200	7.3k
988B	Substrings Sort sortings strings	1100	20.5k
985F	Isomorphic Strings hashing strings	2300	2.2k
981A	Antipalindrome brute force implementation strings	900	10.4k
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
978B	File Name greedy strings	800	41.3k
977B	Two-gram implementation strings	900	51.1k
975A	Aramic script implementation strings	900	10.4k
965E	Short Code data structures dp greedy strings trees	2200	2k
963D	Frequency of String hashing string suffix structures strings	2500	2.9k
958A2	Death Stars (medium) hashing strings	2000	1.1k
955D	Scissors brute force strings	2600	613
954B	String Typing implementation strings	1400	7.9k
946C	String Transformation greedy strings	1300	9.4k
940C	Phone Numbers constructive algorithms implementation strings	1500	6.8k
939D	Love Rescue dfs and similar dsu graphs greedy strings	1600	8.3k
936C	Lock Puzzle constructive algorithms implementation strings	2300	1.3k
932G	Palindrome Partition dp string suffix structures strings	2900	1.2k
930B	Game with String implementation probabilities strings	1600	3.2k
928A	Login Verification *special strings	1200	3.6k
928D	Autocompletion *special strings trees	1900	834
923C	Perfect Security data structures greedy strings trees	1800	4.8k
923D	Picking Strings constructive algorithms implementation strings	2500	1.5k
918B	Radio Station implementation strings	900	20.4k
917E	Upside Down data structures string suffix structures strings trees	3400	195
914F	Substrings in a String bitmasks brute force data structures string suffix structures strings	3000	2.5k
906A	Shockers implementation strings	1600	4.4k
906E	Reverses dp string suffix structures strings	3300	583
903E	Swapping Characters brute force hashing implementation strings	2200	1.6k
900E	Maximum Questions data structures dp strings	2100	1.4k
899F	Letters Removing data structures strings	2100	2.1k
898C	Phone Numbers implementation strings	1400	5.9k
895D	String Mark combinatorics math strings	2100	1.3k
883E	Field of Wonders implementation strings	1500	2.1k
883H	Palindromic Cut brute force implementation strings	1800	1.8k
877A	Alex and broken contest implementation strings	1100	11.6k
873F	Forbidden Indices dsu string suffix structures strings	2400	1.9k
868A	Bark to Unlock brute force implementation strings	900	10.1k
868D	Huge Strings bitmasks brute force dp implementation strings	2200	1k
864B	Polycarp and Letters brute force implementation strings	1000	10.1k
862F	Mahmoud and Ehab and the final stage data structures strings	2900	290
856B	Similar Words dp hashing strings trees	2300	653
855A	Tom Riddle's Diary brute force implementation strings	800	28.2k
844A	Diversity greedy implementation strings	1000	12.3k
835D	Palindromic characteristics brute force dp hashing strings	1900	4.8k
832B	Petya and Exam implementation strings	1600	4.7k
831B	Keyboard Layouts implementation strings	800	15.8k
827A	String Reconstruction data structures greedy sortings strings	1700	4.4k
827C	DNA Evolution data structures strings	2100	1.8k
827E	Rusty String fft math strings	2700	1.3k
825F	String Compression dp hashing string suffix structures strings	2400	2.1k
822B	Crossword solving brute force implementation strings	1000	10.3k
814C	An impassioned circulation of affection brute force dp strings two pointers	1600	8k
808G	Anthem of Berland dp strings	2300	4k
802G1	Fake News (easy) implementation strings	800	8.3k
802G2	Fake News (medium) constructive algorithms strings	2200	558
801B	Valued Keys constructive algorithms greedy strings	900	11.3k
798A	Mike and palindrome brute force constructive algorithms strings	1000	24.1k
798B	Mike and strings brute force dp strings	1300	9.3k
797C	Minimal string data structures greedy strings	1700	10.2k
786D	Rap God data structures dfs and similar hashing strings trees	3400	174
785A	Anton and Polyhedrons implementation strings	800	113.8k
780D	Innokenty and a Football League 2-sat graphs greedy implementation shortest paths strings	1900	3.1k
778A	String Game binary search greedy strings	1700	13k
778C	Peterson Polyglot brute force dfs and similar dsu hashing strings trees	2500	1k
777D	Cloud of Hashtags binary search greedy implementation strings	1800	5.3k
776A	A Serial Killer brute force implementation strings	900	13k
774K	Stepan and Vowels *special implementation strings	1600	1.4k
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms strings	1000	35.1k
766C	Mahmoud and a Message brute force dp greedy strings	1700	5k
765B	Code obfuscation greedy implementation strings	1100	7.6k
762C	Two strings binary search hashing strings two pointers	2100	3.1k
758D	Ability To Convert constructive algorithms dp greedy math strings	2000	3k
757C	Felicity is Coming! data structures hashing sortings strings	1900	2.5k
755B	PolandBall and Game binary search data structures games greedy sortings strings	1100	13k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
754E	Dasha and cyclic table bitmasks brute force fft strings trees	2600	601
748B	Santa Claus and Keyboard Check implementation strings	1500	5.7k
747B	Mammoth's Genome Decoding implementation strings	900	9.7k
747E	Comments dfs and similar expression parsing implementation strings	1700	2.1k
746B	Decoding implementation strings	900	32.2k
745A	Hongcow Learns the Cyclic Shift implementation strings	900	11.1k
744E	Hongcow Masters the Cyclic Shift strings two pointers	3200	157
735A	Ostap and Grasshopper implementation strings	800	13.2k
734A	Anton and Danik implementation strings	800	201.1k
731A	Night at the Museum implementation strings	800	54.1k

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