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Problemset

680 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1739D	Reset K Edges binary search data structures dfs and similar graphs greedy trees	1900	6.5k
1735E	House Planning constructive algorithms data structures graph matchings greedy	2400	1.3k
1734D	Slime Escape data structures dp greedy two pointers	1800	7.1k
1730A	Planets data structures greedy sortings	800	25k
1730C	Minimum Notation data structures greedy math sortings	1200	18.1k
1728C	Digital Logarithm data structures greedy sortings	1400	18.1k
1728E	Red-Black Pepper brute force data structures greedy math number theory	2300	2.1k
1726C	Jatayu's Balanced Bracket Sequence data structures dsu graphs greedy	1300	13.5k
1726G	A Certain Magical Party combinatorics data structures greedy sortings	3300	444
1720B	Interesting Sum brute force data structures greedy math sortings	800	22.5k
1720E	Misha and Paintings constructive algorithms data structures greedy implementation math	2700	1k
1718A2	Burenka and Traditions (hard version) data structures dp greedy	1900	6k
1718C	Tonya and Burenka-179 data structures greedy math number theory	2400	1.9k
1718D	Permutation for Burenka data structures graph matchings greedy math trees	3300	449
1716C	Robot in a Hallway data structures dp greedy implementation ternary search	2000	4.7k
1715E	Long Way Home data structures divide and conquer dp geometry graphs greedy shortest paths	2400	2.4k
1714B	Remove Prefix data structures greedy implementation	800	34.3k
1714D	Color with Occurrences brute force data structures dp greedy strings	1600	10.5k
1713E	Cross Swapping 2-sat data structures dsu greedy matrices	2400	2k
1712D	Empty Graph binary search constructive algorithms data structures greedy shortest paths	2000	5.2k
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1709D	Rorororobot binary search data structures greedy math	1700	10.6k
1709E	XOR Tree bitmasks data structures dfs and similar dsu greedy trees	2400	4.2k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1706E	Qpwoeirut and Vertices binary search data structures dfs and similar divide and conquer dsu greedy trees	2300	4k
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search data structures dp greedy sortings	1300	31.9k
1702C	Train and Queries data structures greedy	1100	25.6k
1702F	Equate Multisets constructive algorithms data structures greedy math number theory	1700	9.6k
1701D	Permutation Restoration binary search data structures greedy math sortings two pointers	1900	6.3k
1700C	Helping the Nature constructive algorithms data structures greedy	1700	12.3k
1699D	Almost Triple Deletions data structures dp greedy	2300	3.6k
1699E	Three Days Grace data structures dp greedy math number theory two pointers	2600	1.4k
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1696D	Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths	1900	6.1k
1695C	Zero Path brute force data structures dp graphs greedy shortest paths	1700	14.5k
1693D	Decinc Dividing brute force data structures divide and conquer dp greedy	2800	1.2k
1693E	Outermost Maximums data structures greedy	3400	565
1692H	Gambling data structures dp greedy math	1700	10k
1691E	Number of Groups data structures dfs and similar dsu graphs greedy sortings	2300	2.2k
1690C	Restoring the Duration of Tasks data structures greedy implementation	800	28.3k
1690G	Count the Trains binary search data structures greedy sortings	2000	4.2k
1689B	Mystic Permutation data structures greedy	900	19.2k
1687C	Sanae and Giant Robot binary search brute force data structures dsu greedy sortings	2500	1.7k
1685E	The Ultimate LIS Problem data structures greedy	3500	201
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1682F	MCMF? data structures flows graphs greedy sortings two pointers	2700	471
1676F	Longest Strike data structures greedy implementation sortings two pointers	1300	20.6k
1674F	Desktop Rearrangement data structures greedy implementation	1800	5.7k
1672H	Zigu Zagu constructive algorithms data structures greedy	2700	1.2k
1672I	PermutationForces data structures greedy	3000	260
1669F	Eating Candies binary search data structures greedy two pointers	1100	42.2k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1661D	Progressions Covering data structures greedy	1900	5.5k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1656B	Subtract Operation data structures greedy math two pointers	1100	28.3k
1654C	Alice and the Cake data structures greedy implementation sortings	1400	14.6k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1654G	Snowy Mountain data structures dfs and similar graphs greedy shortest paths trees	2900	474
1650E	Rescheduling the Exam binary search data structures greedy implementation math sortings	1900	4.5k
1647E	Madoka and the Sixth-graders data structures dfs and similar greedy	2500	1.1k
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1638D	Big Brush constructive algorithms data structures greedy implementation	2000	4.8k
1638F	Two Posters brute force data structures greedy two pointers	3200	277
1637H	Minimize Inversions Number data structures greedy math sortings	3500	616
1635F	Closest Pair data structures greedy	2800	1.4k
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1632D	New Year Concert binary search data structures greedy math number theory two pointers	2000	5.4k
1630B	Range and Partition binary search constructive algorithms data structures greedy two pointers	1800	6.5k
1626C	Monsters And Spells binary search data structures dp greedy implementation math two pointers	1700	12k
1623E	Middle Duplication data structures dfs and similar greedy strings trees	2500	1.3k
1622B	Berland Music data structures greedy math sortings	1000	22.4k
1621B	Integers Shop data structures greedy implementation	1500	14.6k
1621E	New School binary search data structures dp greedy implementation sortings	2300	2k
1621F	Strange Instructions data structures greedy implementation	2700	662
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1618G	Trader Problem data structures dsu greedy sortings	2200	2k
1616E	Lexicographically Small Enough brute force data structures greedy strings	2200	2.8k
1615E	Purple Crayon data structures dfs and similar games graphs greedy math sortings trees	2400	1.8k
1611G	Robot and Candies data structures graph matchings greedy	2500	784
1610G	AmShZ Wins a Bet data structures greedy hashing	3300	667
1610H	Squid Game data structures dfs and similar greedy trees	3100	731
1609G	A Stroll Around the Matrix data structures greedy math	3000	617
1608C	Game Master data structures dfs and similar dp graphs greedy two pointers	1700	7.4k
1601C	Optimal Insertion data structures divide and conquer dp greedy sortings	2300	2.4k
1601D	Difficult Mountain data structures dp greedy sortings	2700	2k
1601E	Phys Ed Online data structures dp greedy	2900	637
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
1593G	Changing Brackets constructive algorithms data structures dp greedy	2200	1.9k
1584E	Game with Stones binary search data structures games greedy	2300	1.5k
1582C	Grandma Capa Knits a Scarf brute force data structures greedy strings two pointers	1200	25.2k
1582E	Pchelyonok and Segments binary search data structures dp greedy math	2000	4.3k
1580A	Portal brute force data structures dp greedy implementation	1700	3.9k
1579E2	Array Optimization by Deque data structures greedy	1700	7.5k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1566D1	Seating Arrangements (easy version) data structures greedy sortings	1100	14.8k
1566D2	Seating Arrangements (hard version) data structures greedy implementation sortings two pointers	1600	8.4k
1566F	Points Movement data structures dp greedy implementation sortings	2600	1.2k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1557D	Ezzat and Grid data structures dp greedy	2200	3.1k

showing 301–400 of 680