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Problemset

94 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2247F	Paths on a Grid data structures dp hashing	unrated	358
2201F1	Monotone Monochrome Matrices (Medium Version) data structures hashing	2900	315
2201F2	Monotone Monochrome Matrices (Hard Version) constructive algorithms data structures hashing math	2800	461
2178G	deCH OR Dations bitmasks data structures dp hashing probabilities	2800	630
2150A	Incremental Path data structures hashing implementation	1300	13.3k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2135F	To the Infinity data structures hashing math trees	3500	381
2118F	Shifts and Swaps data structures graphs hashing trees	3100	299
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2059E2	Stop Gaming (Hard Version) brute force constructive algorithms data structures hashing strings	2900	355
2041I	Auto Complete binary search data structures hashing implementation sortings strings trees	2300	688
2038I	Polyathlon binary search data structures hashing string suffix structures strings	2500	758
2014H	Robin Hood Archery data structures divide and conquer greedy hashing	1900	6k
2002D1	DFS Checker (Easy Version) brute force data structures dfs and similar graphs hashing trees	1900	5.2k
2002D2	DFS Checker (Hard Version) binary search data structures dfs and similar graphs hashing trees	2300	2.9k
1996G	Penacony brute force data structures graphs greedy hashing	2200	2.4k
1986G2	Permutation Problem (Hard Version) brute force data structures hashing math number theory	2500	1.5k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
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
1957F1	Frequency Mismatch (Easy Version) binary search data structures divide and conquer hashing probabilities trees	2600	706
1957F2	Frequency Mismatch (Hard Version) binary search data structures dfs and similar hashing probabilities trees	2700	659
1914G2	Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp graphs hashing	2300	1.9k
1913F	Palindromic Problem binary search data structures hashing string suffix structures strings	2800	583
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1849C	Binary String Copying binary search brute force data structures hashing strings	1600	12.7k
1840E	Character Blocking data structures hashing implementation	1600	9.5k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1801E	Gasoline prices data structures divide and conquer dsu hashing trees	3000	748
1800D	Remove Two Letters data structures greedy hashing strings	1200	30.2k
1794E	Labeling the Tree with Distances data structures dp greedy hashing implementation trees	2400	1.6k
1792D	Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings	1700	8.3k
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1746F	Kazaee data structures hashing probabilities	2800	2.8k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1735D	Meta-set brute force combinatorics data structures hashing math	1700	7.1k
1658E	Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings	2500	1.3k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1621I	Two Sequences data structures hashing string suffix structures	3500	150
1610G	AmShZ Wins a Bet data structures greedy hashing	3300	667
1608G	Alphabetic Tree binary search data structures dfs and similar hashing string suffix structures strings trees	3500	300
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1538E	Funny Substrings data structures hashing implementation matrices strings	2100	3.3k
1537E2	Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers	2200	6.4k
1536C	Diluc and Kaeya data structures dp hashing number theory	1500	16.3k
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1520D	Same Differences data structures hashing math	1200	68.1k
1494E	A-Z Graph constructive algorithms data structures graphs hashing	2400	2.1k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1476E	Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings	2300	2.8k
1476G	Minimum Difference data structures hashing sortings two pointers	3100	871
1418G	Three Occurrences data structures divide and conquer hashing two pointers	2500	2.9k
1340F	Nastya and CBS brute force data structures hashing	3300	792
1320D	Reachable Strings data structures hashing strings	2500	1.7k
1313E	Concatenation with intersection data structures hashing strings two pointers	2700	778
1284D	New Year and Conference binary search data structures hashing sortings	2100	3.4k
1277D	Let's Play the Words? data structures hashing implementation math	1900	3.3k
1223F	Stack Exterminable Arrays data structures divide and conquer dp hashing	2600	2.3k
1207G	Indie Album data structures dfs and similar hashing string suffix structures strings trees	2700	1.3k
1175F	The Number of Subpermutations brute force data structures divide and conquer hashing math	2500	2.8k
1166F	Vicky's Delivery Service data structures dsu graphs hashing	2400	847
1129C	Morse Code binary search data structures dp hashing sortings string suffix structures strings	2400	1k
1081H	Palindromic Magic data structures hashing strings	3500	134
1056E	Check Transcription brute force data structures hashing strings	2100	2.9k
1051E	Vasya and Big Integers binary search data structures dp hashing strings	2600	1.3k
1043G	Speckled Band data structures divide and conquer hashing string suffix structures strings	3500	329
877F	Ann and Books data structures flows hashing	2300	2.4k
869E	The Untended Antiquity data structures hashing	2400	2.2k
786D	Rap God data structures dfs and similar hashing strings trees	3400	174
763D	Timofey and a flat tree data structures graphs hashing shortest paths trees	2900	682
757C	Felicity is Coming! data structures hashing sortings strings	1900	2.5k
733D	Kostya the Sculptor data structures hashing	1600	4.4k
727E	Games on a CD data structures hashing string suffix structures strings	2300	1.6k
710F	String Set Queries brute force data structures hashing interactive string suffix structures strings	2400	2.6k
650D	Zip-line binary search data structures dp hashing	2600	1.7k
633C	Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings	1900	3.4k
631D	Messenger data structures hashing implementation string suffix structures strings	2100	2.5k
601D	Acyclic Organic Compounds data structures dfs and similar dsu hashing strings trees	2400	1.3k
580E	Kefa and Watch data structures hashing strings	2500	2.7k
524F	And Yet Another Bracket Sequence data structures greedy hashing string suffix structures strings	2700	640
514C	Watto and Mechanism binary search data structures hashing string suffix structures strings	2000	8.4k
486E	LIS of Sequence data structures dp greedy hashing math	2200	2.7k
452F	Permutation data structures divide and conquer hashing	2700	1.9k
425D	Sereja and Squares binary search data structures hashing	2300	1.7k
350D	Looking for Owls binary search data structures geometry hashing sortings	2400	320
213E	Two Permutations data structures hashing strings	2700	1k
196D	The Next Good String data structures greedy hashing strings	2800	644
190E	Counter Attack data structures dsu graphs hashing sortings	2100	1.8k
113B	Petr# brute force data structures hashing strings	2000	3.3k
79C	Beaver data structures dp greedy hashing strings two pointers	1800	2.1k
30E	Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings	2800	961
28D	Don't fear, DravDe is kind binary search data structures dp hashing	2400	723
4C	Registration System data structures hashing implementation	1300	113.1k

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