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Problemset

97 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2196E1	Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures	2900	311
2185H	BattleCows 2 binary search brute force data structures dp greedy	2500	752
2173F	Isla's Memory Thresholds binary search brute force data structures divide and conquer math	2600	623
2164C	Dungeon binary search brute force data structures greedy sortings	1400	12.3k
2157E	Adjusting Drones binary search brute force data structures dp dsu greedy implementation sortings	1900	4.6k
2156E	Best Time to Buy and Sell Stock binary search brute force data structures dp games graphs greedy	2500	1k
2149G	Buratsuta 3 binary search brute force data structures divide and conquer probabilities	2100	2.8k
2147E	Maximum OR Popcount binary search bitmasks brute force data structures greedy	2300	2.2k
2121F	Yamakasi binary search brute force data structures greedy two pointers	1800	8.3k
2121H	Ice Baby binary search brute force data structures dp implementation sortings	2300	2.3k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2111G	Divisible Subarrays binary search bitmasks brute force data structures interactive	2900	422
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2107F2	Cycling (Hard Version) binary search brute force data structures dp greedy	2800	566
2101C	23 Kingdom binary search brute force data structures greedy ternary search two pointers	2200	3.8k
2075F	Beautiful Sequence Returns binary search brute force data structures implementation	3000	529
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2056D	Unique Median binary search brute force combinatorics data structures divide and conquer dp	2200	3.7k
2053B	Outstanding Impressionist binary search brute force data structures greedy	1200	17.2k
2051E	Best Price binary search brute force data structures greedy sortings	1600	12.3k
2048D	Kevin and Competition Memories binary search brute force data structures greedy sortings two pointers	1600	8.5k
2044F	Easy Demon Problem binary search brute force data structures math number theory	1900	6.4k
2043C	Sums on Segments binary search brute force data structures dp greedy math	1600	11.5k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
2004F	Make a Palindrome binary search brute force data structures greedy math	2600	1.4k
2000H	Ksyusha and the Loaded Set binary search brute force data structures implementation	2200	2.4k
1998E1	Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer greedy	2200	2.3k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1997E	Level Up binary search brute force data structures divide and conquer implementation	2200	3.9k
1988E	Range Minimum Sum binary search brute force data structures divide and conquer implementation	2300	1.9k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1974F	Cutting Game binary search brute force data structures implementation sortings two pointers	1900	4.5k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1956A	Nene's Game binary search brute force data structures games greedy	800	24.5k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
1920F1	Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths	2500	1.3k
1904C	Array Game binary search brute force data structures sortings two pointers	1400	25.2k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1876G	Clubstep binary search brute force data structures greedy trees	3500	295
1856C	To Become Max binary search brute force data structures dp	1600	19.2k
1849C	Binary String Copying binary search brute force data structures hashing strings	1600	12.7k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1843E	Tracking Segments binary search brute force data structures two pointers	1600	18.8k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1814D	Balancing Weapons binary search brute force data structures math two pointers	2500	1.1k
1808D	Petya, Petya, Petr, and Palindromes binary search brute force data structures two pointers	2100	2.8k
1791F	Range Update Point Query binary search brute force data structures	1500	15.9k
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
1774F2	Magician and Pigs (Hard Version) binary search brute force data structures implementation	2700	921
1766E	Decomposition binary search brute force data structures divide and conquer dp two pointers	2300	1.5k
1763B	Incinerate binary search brute force data structures implementation math sortings	1200	16.6k
1731D	Valiant's New Map binary search brute force data structures dp two pointers	1700	8.7k
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
1687C	Sanae and Giant Robot binary search brute force data structures dsu greedy sortings	2500	1.7k
1687D	Cute number binary search brute force data structures dsu implementation math	2900	775
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1651F	Tower Defense binary search brute force data structures	3000	514
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1598F	RBS binary search bitmasks brute force data structures dp	2400	1.7k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1547F	Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers	1900	7.2k
1540D	Inverse Inversions binary search brute force data structures	3200	393
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1479D	Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees	2900	1.4k
1461D	Divide and Summarize binary search brute force data structures divide and conquer implementation sortings	1600	10.4k
1408D	Searchlights binary search brute force data structures dp implementation sortings two pointers	2000	4.7k
1379C	Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers	2000	6.2k
1379D	New Passenger Trams binary search brute force data structures sortings two pointers	2300	1.2k
1359F	RC Kaboom Show binary search brute force data structures geometry math	2900	619
1335E1	Three Blocks Palindrome (easy version) binary search brute force data structures dp two pointers	1700	11.8k
1198B	Welfare State binary search brute force data structures sortings	1600	10.1k
1073D	Berland Fair binary search brute force data structures greedy	1700	6.8k
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
913D	Too Easy Problems binary search brute force data structures greedy sortings	1800	5.2k
776C	Molly's Chemicals binary search brute force data structures implementation math	1800	6.3k
493C	Vasya and Basketball binary search brute force data structures implementation sortings two pointers	1600	7.6k
466C	Number of Ways binary search brute force data structures dp two pointers	1700	42.8k
424D	Biathlon Track binary search brute force constructive algorithms data structures dp	2300	639
385C	Bear and Prime Numbers binary search brute force data structures dp implementation math number theory	1700	10.8k
359D	Pair of Numbers binary search brute force data structures math two pointers	2000	5.9k
260E	Dividing Kingdom binary search brute force data structures	2500	548
159C	String Manipulation 1.0 *special binary search brute force data structures strings	1400	3.2k
85D	Sum of Medians binary search brute force data structures implementation	2300	2.5k

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