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Problemset

2,031 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1787G	Colorful Tree Again brute force data structures trees	3000	628
1787H	Codeforces Scoreboard binary search data structures dp geometry	3300	348
1787I	Treasure Hunt data structures divide and conquer two pointers	3400	424
1784C	Monsters (hard version) data structures greedy	2200	2k
1783E	Game of the Year brute force data structures math number theory	2300	2.5k
1783G	Weighed Tree Radius data structures divide and conquer implementation trees	2800	625
1781E	Rectangle Shrinking binary search brute force data structures greedy implementation two pointers	2300	1.5k
1780E	Josuke and Complete Graph binary search brute force data structures math number theory	2400	1.8k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
1779C	Least Prefix Sum data structures greedy	1600	14.7k
1779D	Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings	1700	9.2k
1777F	Comfortably Numb bitmasks data structures divide and conquer strings trees	2400	1.5k
1776E	Crossing the Railways data structures dp	3500	117
1774F1	Magician and Pigs (Easy Version) brute force data structures implementation	2400	1.3k
1774F2	Magician and Pigs (Hard Version) binary search brute force data structures implementation	2700	921
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1771D	Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	2100	3.3k
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1767B	Block Towers data structures greedy sortings	800	22.2k
1767C	Count Binary Strings data structures dp	2100	3.2k
1767F	Two Subtrees data structures trees	3100	445
1766E	Decomposition binary search brute force data structures divide and conquer dp two pointers	2300	1.5k
1765L	Project Manager brute force data structures implementation	2400	693
1764H	Doremy's Paint 2 data structures	3400	280
1763B	Incinerate binary search brute force data structures implementation math sortings	1200	16.6k
1763F	Edge Queries data structures dfs and similar dp dsu graphs trees	3000	750
1762F	Good Pairs binary search data structures dp	2600	917
1760C	Advantage data structures implementation sortings	800	44.6k
1760E	Binary Inversions data structures greedy math	1100	23.2k
1759F	All Possible Digits binary search data structures greedy math number theory	1800	4.6k
1759G	Restore the Permutation binary search constructive algorithms data structures greedy math	1900	5.6k
1758F	Decent Division constructive algorithms data structures	3000	244
1750E	Bracket Cost binary search data structures divide and conquer dp greedy strings	2400	1.7k
1750H	BinaryStringForces constructive algorithms data structures dp	3500	126
1749C	Number Game binary search data structures games greedy implementation	1400	15.9k
1749F	Distance to the Path data structures dfs and similar trees	2800	642
1748C	Zero-Sum Prefixes brute force data structures dp greedy implementation	1600	13.3k
1748E	Yet Another Array Counting Problem binary search data structures divide and conquer dp flows math trees	2300	2.8k
1747D	Yet Another Problem binary search bitmasks constructive algorithms data structures	1900	5.7k
1746F	Kazaee data structures hashing probabilities	2800	2.8k
1746G	Olympiad Training binary search data structures dp flows geometry implementation sortings	3500	118
1743F	Intersection and Union data structures dp matrices probabilities	2300	1.9k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1741F	Multi-Colored Segments binary search data structures math sortings	2000	3k
1740D	Knowledge Cards constructive algorithms data structures	1500	9.2k
1740E	Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees	1800	5.1k
1740H	MEX Tree Manipulation data structures trees	3300	466
1740I	Arranging Crystal Balls data structures divide and conquer dp geometry graphs number theory	3500	182
1739D	Reset K Edges binary search data structures dfs and similar graphs greedy trees	1900	6.4k
1739F	Keyboard Design bitmasks data structures dp string suffix structures strings	2600	671
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1738H	Palindrome Addicts data structures strings	3300	309
1737G	Ela Takes Dancing Class binary search data structures	3500	167
1736C1	Good Subarrays (Easy Version) binary search data structures schedules two pointers	1300	16.6k
1736C2	Good Subarrays (Hard Version) binary search data structures dp two pointers	2400	1.5k
1735D	Meta-set brute force combinatorics data structures hashing math	1700	7.1k
1735E	House Planning constructive algorithms data structures graph matchings greedy	2400	1.3k
1735F	Pebbles and Beads data structures geometry	2900	264
1734D	Slime Escape data structures dp greedy two pointers	1800	7.1k
1732D1	Balance (Easy version) brute force data structures implementation number theory	1500	10k
1732D2	Balance (Hard version) brute force data structures number theory	2400	1.6k
1732E	Location data structures dp math number theory	2800	604
1731D	Valiant's New Map binary search brute force data structures dp two pointers	1700	8.7k
1730A	Planets data structures greedy sortings	800	25k
1730C	Minimum Notation data structures greedy math sortings	1200	18.1k
1730E	Maximums and Minimums combinatorics data structures divide and conquer number theory	2700	815
1730F	Almost Sorted bitmasks data structures dp	2700	791
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
1725E	Electrical Efficiency combinatorics data structures dp math number theory trees	2500	640
1725F	Field Photography bitmasks data structures sortings	2100	1.2k
1725K	Kingdom of Criticism data structures dsu	2500	846
1725L	Lemper Cooking Competition data structures	2400	1.1k
1722C	Word Game data structures implementation	800	37k
1722E	Counting Rectangles brute force data structures dp implementation	1600	13.7k
1720B	Interesting Sum brute force data structures greedy math sortings	800	22.5k
1720D2	Xor-Subsequence (hard version) bitmasks data structures dp strings trees	2400	2.3k
1720E	Misha and Paintings constructive algorithms data structures greedy implementation math	2700	1k
1719C	Fighting Tournament binary search data structures implementation two pointers	1400	14.5k
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
1718F	Burenka, an Array and Queries data structures math number theory	3300	244
1716C	Robot in a Hallway data structures dp greedy implementation ternary search	2000	4.7k
1716E	Swap and Maximum Block bitmasks data structures dfs and similar divide and conquer dp	2500	1.4k
1715C	Monoblock combinatorics data structures implementation math	1700	10.6k
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
1714G	Path Prefixes binary search data structures dfs and similar trees	1700	9.9k
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
1712E2	LCM Sum (hard version) brute force data structures math number theory two pointers	2500	1.7k
1712F	Triameter binary search data structures dfs and similar trees	3200	508
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1709B	Also Try Minecraft data structures dp implementation	900	26.3k
1709D	Rorororobot binary search data structures greedy math	1700	10.6k

showing 601–700 of 2,031