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Problemset

91 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2205G	Simons and Diophantus Equation bitmasks brute force data structures math number theory	3000	231
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2182F2	Christmas Reindeer (hard version) bitmasks brute force combinatorics data structures greedy math	2500	1.1k
2173F	Isla's Memory Thresholds binary search brute force data structures divide and conquer math	2600	623
2133A	Redstone? brute force data structures implementation math	800	31.9k
2131G	Wafu! bitmasks brute force data structures dfs and similar dp math	2000	3.9k
2123G	Modular Sorting brute force data structures greedy math number theory sortings	2100	3.3k
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
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2077D	Maximum Polygon brute force data structures greedy implementation math	3100	393
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
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
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2006B	Iris and the Tree brute force data structures dfs and similar dsu math trees	1800	4.4k
2004F	Make a Palindrome binary search brute force data structures greedy math	2600	1.4k
2003E2	Turtle and Inversions (Hard Version) brute force data structures divide and conquer dp greedy math two pointers	2700	654
2003F	Turtle and Three Sequences brute force data structures dp greedy math probabilities two pointers	2800	838
1989D	Smithing Skill brute force data structures dp greedy math sortings two pointers	1900	7.2k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1986G2	Permutation Problem (Hard Version) brute force data structures hashing math number theory	2500	1.5k
1982D	Beauty of the mountains brute force data structures implementation math number theory	1700	10.2k
1977C	Nikita and LCM brute force data structures dp greedy math number theory sortings	1900	8.2k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1945H	GCD is Greater brute force data structures math number theory	2600	971
1942F	Farmer John's Favorite Function brute force data structures implementation math	2700	1k
1935E	Distance Learning Courses in MAC bitmasks brute force data structures greedy math	2400	1.7k
1932C	LR-remainders brute force data structures implementation math two pointers	1400	19.3k
1929F	Sasha and the Wedding Binary Search Tree brute force combinatorics data structures dfs and similar math trees	2300	2.4k
1928D	Lonely Mountain Dungeons brute force data structures greedy math ternary search	1900	5.3k
1922D	Berserk Monsters brute force data structures dsu implementation math	1900	6.9k
1921F	Sum of Progression brute force data structures dp implementation math	1900	5.2k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1822G1	Magic Triples (Easy Version) brute force data structures math number theory	1700	9.9k
1822G2	Magic Triples (Hard Version) brute force data structures math number theory	2200	3.1k
1814D	Balancing Weapons binary search brute force data structures math two pointers	2500	1.1k
1797E	Li Hua and Array brute force data structures dsu math number theory two pointers	2300	1.7k
1783E	Game of the Year brute force data structures math number theory	2300	2.5k
1780E	Josuke and Complete Graph binary search brute force data structures math number theory	2400	1.8k
1763B	Incinerate binary search brute force data structures implementation math sortings	1200	16.6k
1735D	Meta-set brute force combinatorics data structures hashing math	1700	7.1k
1728E	Red-Black Pepper brute force data structures greedy math number theory	2300	2.1k
1720B	Interesting Sum brute force data structures greedy math sortings	800	22.5k
1712E2	LCM Sum (hard version) brute force data structures math number theory two pointers	2500	1.7k
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1696G	Fishingprince Plays With Array Again brute force data structures geometry math	3300	429
1687D	Cute number binary search brute force data structures dsu implementation math	2900	775
1661E	Narrow Components brute force data structures dp dsu math trees	2500	1.2k
1658D2	388535 (Hard Version) bitmasks brute force data structures math	2300	3.2k
1654E	Arithmetic Operations brute force data structures graphs math	2300	2.4k
1648B	Integral Array brute force constructive algorithms data structures math	1800	7.4k
1644E	Expand the Path brute force combinatorics data structures implementation math	1900	3.5k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1598E	Staircases brute force combinatorics data structures dfs and similar dp implementation math	2100	2.5k
1561D1	Up the Strip (simplified version) brute force data structures dp math number theory	1700	6.2k
1526D	Kill Anton brute force constructive algorithms data structures math strings	2200	2.8k
1499C	Minimum Grid Path brute force data structures greedy math	1500	13.5k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1400D	Zigzags brute force combinatorics data structures math two pointers	1900	11.5k
1359F	RC Kaboom Show binary search brute force data structures geometry math	2900	619
1276C	Beautiful Rectangle brute force combinatorics constructive algorithms data structures greedy math	2300	1.8k
1202C	You Are Given a WASD-string... brute force data structures dp greedy implementation math strings	2100	2.8k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1185C2	Exam in BerSU (hard version) brute force data structures greedy math	1700	7.9k
1175F	The Number of Subpermutations brute force data structures divide and conquer hashing math	2500	2.8k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
995C	Leaving the Bar brute force data structures geometry greedy math sortings	2300	2.1k
986E	Prince's Problem brute force data structures math number theory trees	2800	957
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
900C	Remove Extra One brute force data structures math	1700	5k
830C	Bamboo Partition brute force data structures implementation math number theory sortings two pointers	2300	1.3k
776C	Molly's Chemicals binary search brute force data structures implementation math	1800	6.3k
739E	Gosha is hunting brute force data structures dp flows math probabilities sortings	3000	2.8k
731F	Video Cards brute force data structures implementation math number theory	1900	3.2k
702B	Powers of Two brute force data structures implementation math	1500	13.9k
557C	Arthur and Table brute force data structures dp greedy math sortings	1900	4.3k
552D	Vanya and Triangles brute force combinatorics data structures geometry math sortings	1900	4.9k
538F	A Heap of Heaps brute force data structures math sortings	2200	1.9k
514B	Han Solo and Lazer Gun brute force data structures geometry implementation math	1400	22.8k
475D	CGCDSSQ brute force data structures math	2000	6.9k
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
280E	Sequence Transformation brute force data structures dp implementation math	3000	327

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