Problem Set - hashing - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9286	P2A Winner hashing implementation *1500	0 / 0	5
	9277	P4C Registration system data structures hashing implementation *1300	0 / 0	4
	9262	P7D Palindrome Degree hashing strings *2200	0 / 0	8
	9203	P19C Deletion of Repeats greedy hashing string suffix structures *2200	0 / 0	8
	9174	P25E Test hashing strings *2200	0 / 0	8
	9160	P28D Don't fear, DravDe is kind binary search data structures dp hashing *2400	0 / 0	9
	9149	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	10
	9096	P39J Spelling Check hashing implementation strings *1500	0 / 0	5
	9009	P54B Cutting Jigsaw Puzzle hashing implementation *1800	0 / 0	6
	8948	P65D Harry Potter and the Sorting Hat brute force dfs and similar hashing *2200	0 / 0	8
	8777	P79C Beaver data structures dp greedy hashing strings two pointers *1800	0 / 0	6
	8766	P82B Sets constructive algorithms hashing implementation *1700	0 / 0	5
	8643	P113B Petr# brute force data structures hashing strings *2000	0 / 0	7
	8617	P119D String Transformation hashing strings *2500	0 / 0	9
	8585	P126B Password binary search dp hashing string suffix structures strings *1700	0 / 0	5
	8578	P128B String brute force constructive algorithms hashing implementation string suffix structures strings *2100	0 / 0	7
	8466	P154C Double Profiles graphs hashing sortings *2300	0 / 0	8
	8320	P182D Common Divisors brute force hashing implementation math strings *1400	0 / 0	4
	8287	P190E Counter Attack data structures dsu graphs hashing sortings *2100	0 / 0	7
	8264	P196D The Next Good String data structures greedy hashing strings *2800	0 / 0	10
	8165	P212B Polycarpus is Looking for Good Substrings bitmasks hashing implementation *2300	0 / 0	8
	8157	P213E Two Permutations data structures hashing strings *2700	0 / 0	10
	8099	P228C Fractal Detector dp hashing *2000	0 / 0	7
	8039	P242C King's Path dfs and similar graphs hashing shortest paths *1800	0 / 0	6
	8022	P245H Queries for Number of Palindromes dp hashing strings *1800	0 / 0	6
	7840	P291E Tree-String Problem special problem dfs and similar hashing strings 2000	0 / 0	7
	7741	P316G1 Good Substrings hashing strings *1700	0 / 0	5
	7728	P319D Have You Ever Heard About the Word? greedy hashing string suffix structures strings *2800	0 / 0	10
	7605	P350D Looking for Owls binary search data structures geometry hashing sortings *2400	0 / 0	9
	7580	P356E Xenia and String Problem dp hashing implementation string suffix structures strings *3000	0 / 0	10
	7368	P407D Largest Submatrix 3 dp hashing *2700	0 / 0	10
	7299	P425D Sereja and Squares binary search data structures hashing *2300	0 / 0	8
	7224	P444D DZY Loves Strings binary search hashing strings two pointers *2500	0 / 0	9
	7191	P452F Permutation data structures divide and conquer hashing *2700	0 / 0	10
	7151	P463C Gargari and Bishops greedy hashing implementation *1900	0 / 0	6
	7133	P467D Fedor and Essay dfs and similar dp graphs hashing strings *2400	0 / 0	9
	7058	P486B OR in Matrix greedy hashing implementation *1300	0 / 0	4
	7055	P486E LIS of Sequence data structures dp greedy hashing math *2200	0 / 0	8
	6988	P504E Misha and LCP on Tree binary search dfs and similar hashing string suffix structures trees *3000	0 / 0	10
	6942	P514C Watto and Mechanism binary search data structures hashing string suffix structures strings *2000	0 / 0	7
	6903	P524F And Yet Another Bracket Sequence data structures greedy hashing string suffix structures strings *2700	0 / 0	10
	6902	P525A Vitaliy and Pie greedy hashing strings *1100	0 / 0	3
	6894	P526D Om Nom and Necklace hashing string suffix structures strings *2200	0 / 0	8
	6869	P533E Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers *1800	0 / 0	6
	6868	P533F Encoding hashing string suffix structures strings *2400	0 / 0	9
	6863	P534E Berland Local Positioning System constructive algorithms greedy hashing implementation *2400	0 / 0	9
	6862	P534F Simplified Nonogram bitmasks dp hashing meet-in-the-middle *2400	0 / 0	9
	6858	P535D Tavas and Malekas greedy hashing string suffix structures strings *1900	0 / 0	6
	6838	P542D Superhero's Job dfs and similar dp hashing math number theory *2600	0 / 0	10
	6763	P559B Equivalent Strings divide and conquer hashing sortings strings *1700	0 / 0	5
	6746	P567E President and Roads dfs and similar graphs hashing shortest paths *2200	0 / 0	8
	6719	P574B Bear and Three Musketeers brute force dfs and similar graphs hashing *1500	0 / 0	5
	6581	P580E Kefa and Watch data structures hashing strings *2500	0 / 0	9
	6494	P601D Acyclic Organic Compounds data structures dfs and similar dsu hashing strings trees *2400	0 / 0	9
	6474	P607C Marbles hashing strings *2500	0 / 0	9
	6455	P611D New Year and Ancient Prophecy dp hashing strings *2000	0 / 0	7
	6440	P613E Puzzle Lover dp hashing strings *3200	0 / 0	10
	6340	P631D Messenger data structures hashing implementation string suffix structures strings *2100	0 / 0	7
	6330	P633C Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings *1900	0 / 0	6
	6329	P633D Fibonacci-ish brute force dp hashing implementation math *2000	0 / 0	7
	6312	P639C Bear and Polynomials hashing implementation math *2200	0 / 0	8
	6281	P650D Zip-line binary search data structures dp hashing *2600	0 / 0	10
	6116	P690F2 Tree of Life (medium) constructive algorithms hashing trees *2700	0 / 0	10
	6044	P710F String Set Queries brute force data structures hashing interactive string suffix structures strings *2400	0 / 0	9
	6008	P718D Andrew and Chemistry dp hashing trees *2900	0 / 0	10
	5979	P724C Ray Tracing greedy hashing implementation math number theory sortings *1800	0 / 0	6
	5963	P727E Games on a CD data structures hashing string suffix structures strings *2300	0 / 0	8
	5928	P733D Kostya the Sculptor data structures hashing *1600	0 / 0	5
	5829	P757C Felicity is Coming! data structures hashing sortings strings *1900	0 / 0	6
	5808	P762C Two strings binary search hashing strings two pointers *2100	0 / 0	7
	5801	P763D Timofey and a flat tree data structures graphs hashing shortest paths trees *2900	0 / 0	10
	5721	P778C Peterson Polyglot brute force dfs and similar dsu hashing strings trees *2500	0 / 0	9
	5692	P786D Rap God data structures dfs and similar hashing strings trees *3400	0 / 0	10
	5664	P794D Labelling Cities dfs and similar graphs hashing *2400	0 / 0	9
	5531	P822E Liar binary search dp hashing string suffix structures *2400	0 / 0	9
	5524	P825F String Compression dp hashing string suffix structures strings *2400	0 / 0	9
	5491	P835D Palindromic characteristics brute force dp hashing strings *1900	0 / 0	6
	5427	P847L Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees *2400	0 / 0	9
	5386	P856B Similar Words dp hashing strings trees *2300	0 / 0	8
	5316	P869E The Untended Antiquity data structures hashing *2400	0 / 0	9
	5289	P877F Ann and Books data structures flows hashing *2300	0 / 0	8
	5207	P898F Restoring the Expression brute force hashing math *2300	0 / 0	8
	5184	P903E Swapping Characters brute force hashing implementation strings *2200	0 / 0	8
	4923	P958A2 Death Stars (medium) hashing strings *2000	0 / 0	7
	4889	P961F k-substrings binary search hashing string suffix structures *2700	0 / 0	10
	4877	P963D Frequency of String hashing string suffix structures strings *2500	0 / 0	9
	4805	P985F Isomorphic Strings hashing strings *2300	0 / 0	8
	4700	P1003F Abbreviation dp hashing strings *2200	0 / 0	8
	4632	P1017E The Supersonic Rocket geometry hashing strings *2400	0 / 0	9
	4508	P1043G Speckled Band data structures divide and conquer hashing string suffix structures strings *3500	0 / 0	10
	4500	P1045B Space Isaac hashing number theory *2400	0 / 0	9
	4493	P1045I Palindrome Pairs hashing strings *1600	0 / 0	5
	4482	P1051E Vasya and Big Integers binary search data structures dp hashing strings *2600	0 / 0	10
	4459	P1056E Check Transcription brute force data structures hashing strings *2100	0 / 0	7
	4347	P1081H Palindromic Magic data structures hashing strings *3500	0 / 0	10
	4185	P1109B Sasha and One More Name constructive algorithms hashing strings *1800	0 / 0	6
	4105	P1129C Morse Code binary search data structures dp hashing sortings string suffix structures strings *2400	0 / 0	9
	4082	P1133D Zero Quantity Maximization hashing math number theory *1500	0 / 0	5
	4072	P1137B Camp Schedule greedy hashing strings *1600	0 / 0	5
	3955	P1156G Optimizer graphs greedy hashing implementation *2700	0 / 0	10

Pick a problem randomly based on the current filter.