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Problemset

143 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2239B	Decidophobia greedy math sortings two pointers	1500	6.6k
2239C	Revival binary search data structures math two pointers	2200	1.3k
2232C2	Seating Arrangement (Hard Version) binary search greedy math two pointers	1500	8.5k
2230E	Minimum Influence binary search data structures greedy implementation math sortings two pointers	2100	1.5k
2226C	Mental Monumental (Easy Version) binary search data structures greedy math two pointers	1500	8.1k
2226E	Mental Monumental (Hard Version) data structures greedy math two pointers	2300	1k
2223B	Zhily and Barknights binary search data structures dp math sortings two pointers	1600	3.7k
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2203F	Binary Search with One Swap binary search divide and conquer dp hashing math two pointers	2600	457
2196B	Another Problem about Beautiful Pairs brute force math two pointers	1600	9.3k
2185D	OutOfMemoryError data structures implementation math two pointers	1100	21.9k
2183C	War Strategy binary search greedy math two pointers	1500	11.2k
2169C	Range Operation dp greedy math two pointers	1300	13.4k
2163C	Monopati brute force combinatorics dp math two pointers	1500	9.6k
2159D1	Inverse Minimum Partition (Easy Version) binary search brute force dp geometry greedy math two pointers	2500	1.7k
2157D	Billion Players Game binary search greedy math sortings ternary search two pointers	1600	7.4k
2131F	Unjust Binary Life binary search data structures greedy math sortings two pointers	1900	4.8k
2128E2	Submedians (Hard Version) binary search constructive algorithms data structures math two pointers	2600	818
2125E	Sets of Complementary Sums brute force combinatorics dp math two pointers	2500	1.4k
2091E	Interesting Ratio brute force math number theory two pointers	1300	20.2k
2084E	Blossom binary search combinatorics dp implementation math two pointers	2400	1.8k
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2055C	The Trail brute force constructive algorithms greedy math two pointers	1400	17.6k
2053I2	Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers	3500	110
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2038L	Bridge Renovation brute force dp greedy math two pointers	1400	8.3k
2037F	Ardent Flames binary search data structures math sortings two pointers	2100	3k
2032C	Trinity binary search math sortings two pointers	1400	16.6k
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2006C	Eri and Expanded Sets data structures divide and conquer math number theory two pointers	2300	2.1k
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
1995B2	Bouquet (Hard Version) binary search data structures greedy math sortings two pointers	1700	10.3k
1989D	Smithing Skill brute force data structures dp greedy math sortings two pointers	1900	7.2k
1986D	Mathematical Problem brute force dp greedy implementation math two pointers	1400	18.2k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1936B	Pinball binary search data structures implementation math two pointers	2000	3.6k
1932C	LR-remainders brute force data structures implementation math two pointers	1400	19.3k
1927E	Klever Permutation constructive algorithms math two pointers	1400	17.3k
1912I	Innovative Washing Machine geometry math two pointers	3300	66
1905D	Cyclic MEX data structures implementation math two pointers	2000	4.8k
1896D	Ones and Twos binary search data structures divide and conquer math two pointers	1700	7.1k
1887D	Split binary search data structures divide and conquer dsu math trees two pointers	2700	1.3k
1886E	I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	2400	1.9k
1884B	Haunted House binary search greedy math two pointers	1100	15k
1873F	Money Trees binary search greedy math two pointers	1300	20.3k
1870C	Colorful Table binary search data structures dp implementation math two pointers	1300	13.3k
1863E	Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	2100	3.3k
1852B	Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers	1800	5.5k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1843B	Long Long greedy math two pointers	800	32.4k
1840C	Ski Resort combinatorics math two pointers	1000	51k
1835B	Lottery binary search brute force greedy math two pointers	2500	1.1k
1833F	Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers	1700	10.6k
1827A	Counting Orders combinatorics math sortings two pointers	1100	30.6k
1820B	JoJo's Incredible Adventures math strings two pointers	1100	24.5k
1814D	Balancing Weapons binary search brute force data structures math two pointers	2500	1.1k
1811G2	Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers	2200	2.2k
1805F2	Survival of the Weakest (hard version) greedy math sortings two pointers	3100	535
1797E	Li Hua and Array brute force data structures dsu math number theory two pointers	2300	1.7k
1794C	Scoring Subsequences binary search greedy math two pointers	1300	23.4k
1793D	Moscow Gorillas binary search dp greedy implementation math two pointers	1800	7.2k
1792C	Min Max Sort binary search brute force greedy math two pointers	1500	17.1k
1788D	Moving Dots binary search brute force combinatorics math two pointers	2000	4.8k
1777C	Quiz Master binary search math number theory sortings two pointers	1700	12.9k
1772G	Gaining Rating binary search greedy implementation math sortings two pointers	2200	1.6k
1758D	Range = √Sum binary search brute force constructive algorithms math two pointers	1800	8.6k
1744F	MEX vs MED math two pointers	2000	3.9k
1741C	Minimize the Thickness brute force greedy math two pointers	1100	19.6k
1738E	Balance Addicts combinatorics dp math two pointers	2300	1.9k
1728G	Illumination binary search bitmasks brute force combinatorics dp math two pointers	2700	669
1725C	Circular Mirror binary search combinatorics geometry math two pointers	2000	2k
1712E1	LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers	2300	2.5k
1712E2	LCM Sum (hard version) brute force data structures math number theory two pointers	2500	1.7k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1701D	Permutation Restoration binary search data structures greedy math sortings two pointers	1900	6.3k
1699E	Three Days Grace data structures dp greedy math number theory two pointers	2600	1.4k
1696H	Maximum Product? brute force combinatorics dp greedy implementation math two pointers	3500	215
1690E	Price Maximization binary search greedy math two pointers	1500	17.2k
1660D	Maximum Product Strikes Back brute force implementation math two pointers	1600	12k
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
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1632D	New Year Concert binary search data structures greedy math number theory two pointers	2000	5.4k
1628A	Meximum Array binary search constructive algorithms greedy implementation math two pointers	1400	17.2k
1626C	Monsters And Spells binary search data structures dp greedy implementation math two pointers	1700	12k
1622D	Shuffle combinatorics math two pointers	2000	4.8k
1605E	Array Equalizer binary search greedy implementation math number theory sortings two pointers	2400	1.2k
1598C	Delete Two Elements data structures dp implementation math two pointers	1200	23.9k
1592E	Bored Bakry bitmasks greedy math two pointers	2400	2k
1558B	Up the Strip brute force dp math number theory two pointers	1900	5.3k
1550D	Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers	2300	2.1k
1548B	Integers Have Friends binary search data structures divide and conquer math number theory two pointers	1800	11.6k
1538C	Number of Pairs binary search data structures math two pointers	1300	35.6k
1525E	Assimilation IV combinatorics dp math probabilities two pointers	2100	2.5k
1519D	Maximum Sum of Products brute force dp implementation math two pointers	1600	17.9k
1497E1	Square-Free Division (easy version) data structures dp greedy math number theory two pointers	1700	9.2k
1497E2	Square-Free Division (hard version) data structures dp greedy math number theory two pointers	2500	2k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k

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