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Problemset

86 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2247E	Build a Tree constructive algorithms trees two pointers	unrated	864
2231D	Maximum Prefix Sums constructive algorithms greedy implementation two pointers	1900	3.7k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2207H2	Bowser's Castle (Medium Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	51
2207H3	Bowser's Castle (Hard Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	69
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2161C	Loyalty constructive algorithms greedy sortings two pointers	1200	13.3k
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2136B	Like the Bitset constructive algorithms greedy two pointers	900	21.7k
2128B	Deque Process constructive algorithms greedy sortings two pointers	1100	22.1k
2128E2	Submedians (Hard Version) binary search constructive algorithms data structures math two pointers	2600	818
2103D	Local Construction constructive algorithms dfs and similar implementation two pointers	2000	4.1k
2103E	Keep the Sum constructive algorithms implementation two pointers	2600	622
2064B	Variety is Discouraged binary search constructive algorithms greedy two pointers	1100	20.4k
2055C	The Trail brute force constructive algorithms greedy math two pointers	1400	17.6k
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
1997B	Make Three Regions constructive algorithms two pointers	1100	23.7k
1979E	Manhattan Triangle binary search constructive algorithms data structures geometry implementation two pointers	2400	1.9k
1927E	Klever Permutation constructive algorithms math two pointers	1400	17.3k
1923D	Slimes binary search constructive algorithms data structures greedy two pointers	1800	8.5k
1893B	Neutral Tonality constructive algorithms greedy sortings two pointers	1700	11.8k
1891C	Smilo and Monsters binary search constructive algorithms greedy sortings two pointers	1500	21.5k
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1886E	I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	2400	1.9k
1852B	Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers	1800	5.5k
1849D	Array Painting constructive algorithms greedy two pointers	1700	10.5k
1833F	Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers	1700	10.6k
1793C	Dora and Search constructive algorithms data structures two pointers	1200	35.2k
1774D	Same Count One brute force constructive algorithms greedy implementation two pointers	1600	9.4k
1771B	Hossam and Friends binary search constructive algorithms dp two pointers	1400	22.5k
1765D	Watch the Videos binary search constructive algorithms two pointers	1700	4.9k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1758D	Range = √Sum binary search brute force constructive algorithms math two pointers	1800	8.6k
1746B	Rebellion constructive algorithms greedy two pointers	800	18.8k
1730D	Prefixes and Suffixes constructive algorithms strings two pointers	2200	3.1k
1728D	Letter Picking constructive algorithms dp games two pointers	1800	8.4k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1697C	awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers	1400	15.9k
1691B	Shoe Shuffling constructive algorithms greedy implementation two pointers	1000	37.6k
1691D	Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers	1800	7.7k
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1672D	Cyclic Rotation constructive algorithms greedy implementation two pointers	1700	7k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1646B	Quality vs Quantity brute force constructive algorithms greedy sortings two pointers	800	22.9k
1630B	Range and Partition binary search constructive algorithms data structures greedy two pointers	1800	6.5k
1628A	Meximum Array binary search constructive algorithms greedy implementation math two pointers	1400	17.2k
1599A	Weights constructive algorithms greedy two pointers	2600	916
1572B	Xor of 3 brute force constructive algorithms greedy two pointers	2500	2k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1508A	Binary Literature constructive algorithms greedy implementation strings two pointers	1900	6.7k
1503D	Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers	2600	1.3k
1500C	Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers	2600	983
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1463D	Pairs binary search constructive algorithms greedy two pointers	1900	4.9k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1419D2	Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers	1500	17.6k
1407C	Chocolate Bunny constructive algorithms interactive math two pointers	1600	15.3k
1404C	Fixed Point Removal binary search constructive algorithms data structures greedy two pointers	2300	3.1k
1381A2	Prefix Flip (Hard Version) constructive algorithms data structures implementation strings two pointers	1700	14.5k
1381C	Mastermind constructive algorithms graph matchings greedy implementation sortings two pointers	2500	1.7k
1380D	Berserk And Fireball constructive algorithms greedy implementation math two pointers	2000	5.1k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1342D	Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers	1900	6.4k
1305B	Kuroni and Simple Strings constructive algorithms greedy strings two pointers	1200	12.6k
1304D	Shortest and Longest LIS constructive algorithms graphs greedy two pointers	1800	6.8k
1290B	Irreducible Anagrams binary search constructive algorithms data structures strings two pointers	1800	7.4k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms greedy math number theory ternary search two pointers	1800	5.1k
1254B2	Send Boxes to Alice (Hard Version) constructive algorithms greedy math number theory ternary search two pointers	2100	3.5k
1244E	Minimizing Difference binary search constructive algorithms greedy sortings ternary search two pointers	2000	6.8k
1158A	The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers	1500	8.5k
1157F	Maximum Balanced Circle constructive algorithms dp greedy two pointers	2000	2.9k
1148E	Earth Wind and Fire constructive algorithms greedy math sortings two pointers	2300	1.9k
848B	Rooter's Song constructive algorithms data structures geometry implementation sortings two pointers	1900	2k
733C	Epidemic in Monstropolis constructive algorithms dp greedy two pointers	1800	3.6k
733E	Sleep in Class constructive algorithms data structures math two pointers	2400	1.1k
644B	Processing Queries *special constructive algorithms data structures two pointers	1700	2.9k
633E	Startup Funding binary search constructive algorithms data structures probabilities two pointers	2400	654
618F	Double Knapsack constructive algorithms two pointers	3000	2.1k
610D	Vika and Segments constructive algorithms data structures geometry two pointers	2300	1.8k
533E	Correcting Mistakes constructive algorithms dp greedy hashing strings two pointers	1800	2.5k
264A	Escape from Stones constructive algorithms data structures implementation two pointers	1200	11.9k

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