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Problemset

261 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2249C	Double-Rift Dial data structures dfs and similar dsu implementation two pointers	unrated	1k
2242C	Unstable Elements brute force data structures implementation sortings two pointers	1300	10.5k
2239C	Revival binary search data structures math two pointers	2200	1.3k
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2234F	Vessels, Heights and Two Versions (Hard Version) data structures dfs and similar dsu greedy implementation two pointers	1900	2.3k
2233D	Goods on the Shelf brute force data structures implementation two pointers	1900	3.4k
2230E	Minimum Influence binary search data structures greedy implementation math sortings two pointers	2100	1.5k
2229G	Roadworks binary search data structures dp greedy two pointers	2900	345
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
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
2185D	OutOfMemoryError data structures implementation math two pointers	1100	21.9k
2182E	New Year's Gifts binary search data structures greedy sortings two pointers	1800	5.9k
2159B	Rectangles brute force data structures dp dsu greedy implementation two pointers	2100	3.4k
2149E	Hidden Knowledge of the Ancients data structures two pointers	1500	9.7k
2148E	Split binary search data structures two pointers	1200	14.8k
2143D1	Inversion Graph Coloring (Easy Version) combinatorics data structures dp greedy two pointers	1800	6.8k
2143D2	Inversion Graph Coloring (Hard Version) binary search combinatorics data structures dp two pointers	2200	3k
2138B	Antiamuny Wants to Learn Swap data structures greedy two pointers	1900	5.6k
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
2126G1	Big Wins! (easy version) binary search data structures dp dsu two pointers	2200	2.5k
2126G2	Big Wins! (hard version) binary search data structures divide and conquer dsu trees two pointers	2400	1.2k
2123E	MEX Count binary search data structures greedy sortings two pointers	1400	15.3k
2121F	Yamakasi binary search brute force data structures greedy two pointers	1800	8.3k
2101C	23 Kingdom binary search brute force data structures greedy ternary search two pointers	2200	3.8k
2101D	Mani and Segments data structures implementation sortings two pointers	2500	1.7k
2096F	Wonderful Impostors data structures implementation two pointers	3100	496
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2089B1	Canteen (Easy Version) binary search data structures flows greedy two pointers	1900	3.3k
2089B2	Canteen (Hard Version) binary search data structures dp flows greedy two pointers	2300	1.3k
2074D	Counting Points brute force data structures geometry implementation two pointers	1400	12.4k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2064F	We Be Summing binary search data structures dp two pointers	2600	725
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2057F	Formation binary search data structures dp sortings two pointers	3300	249
2053I2	Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers	3500	110
2048D	Kevin and Competition Memories binary search brute force data structures greedy sortings two pointers	1600	8.5k
2046C	Adventurers binary search data structures greedy sortings ternary search two pointers	2100	2.4k
2042D	Recommendations data structures implementation sortings two pointers	1900	5.5k
2041M	Selection Sort binary search data structures greedy two pointers	2000	1.4k
2037D	Sharky Surfing data structures greedy two pointers	1300	15k
2037F	Ardent Flames binary search data structures math sortings two pointers	2100	3k
2034B	Rakhsh's Revival data structures greedy implementation two pointers	1000	16.1k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2031D	Penchick and Desert Rabbit binary search data structures dfs and similar dp dsu greedy implementation two pointers	1700	10.1k
2030F	Orangutan Approved Subarrays binary search data structures dp greedy implementation two pointers	2400	1.2k
2027D2	The Endspeaker (Hard Version) binary search data structures dp greedy implementation two pointers	2200	1.9k
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2018B	Speedbreaker binary search data structures dp greedy implementation two pointers	1900	5.3k
2009G1	Yunli's Subarray Queries (easy version) binary search data structures two pointers	1900	5.6k
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
1995E1	Let Me Teach You a Lesson (Easy Version) 2-sat data structures dp matrices two pointers	2700	537
1995E2	Let Me Teach You a Lesson (Hard Version) data structures dp matrices two pointers	2900	417
1990F	Polygonal Segments brute force data structures divide and conquer dp greedy two pointers	2800	464
1989D	Smithing Skill brute force data structures dp greedy math sortings two pointers	1900	7.2k
1983F	array-value binary search bitmasks data structures greedy two pointers	2500	1.6k
1982C	Boring Day binary search data structures dp greedy two pointers	1200	22.3k
1979E	Manhattan Triangle binary search constructive algorithms data structures geometry implementation two pointers	2400	1.9k
1978F	Large Graph data structures dfs and similar dsu graphs number theory two pointers	2400	1.6k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1974F	Cutting Game binary search brute force data structures implementation sortings two pointers	1900	4.5k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1955D	Inaccurate Subsequence Search data structures two pointers	1400	18.9k
1941E	Rudolf and k Bridges binary search data structures dp two pointers	1600	12.2k
1936B	Pinball binary search data structures implementation math two pointers	2000	3.6k
1936D	Bitwise Paradox binary search bitmasks data structures greedy two pointers	3100	705
1932C	LR-remainders brute force data structures implementation math two pointers	1400	19.3k
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
1923D	Slimes binary search constructive algorithms data structures greedy two pointers	1800	8.5k
1921D	Very Different Array data structures greedy sortings two pointers	1100	24.6k
1918D	Blocking Elements binary search data structures dp implementation two pointers	1900	6.4k
1905D	Cyclic MEX data structures implementation math two pointers	2000	4.8k
1904C	Array Game binary search brute force data structures sortings two pointers	1400	25.2k
1899G	Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees two pointers	1900	4.1k
1898E	Sofia and Strings data structures greedy sortings strings two pointers	2200	2.8k
1896D	Ones and Twos binary search data structures divide and conquer math two pointers	1700	7.1k
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
1887D	Split binary search data structures divide and conquer dsu math trees two pointers	2700	1.3k
1870C	Colorful Table binary search data structures dp implementation math two pointers	1300	13.3k
1858D	Trees and Segments brute force data structures dp greedy two pointers	2200	3.3k
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1849E	Max to the Right of Min binary search data structures divide and conquer dp dsu two pointers	2300	2.3k
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
1841D	Pairs of Segments data structures greedy sortings two pointers	2000	5.4k
1833F	Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers	1700	10.6k
1819D	Misha and Apples brute force data structures dp two pointers	2800	904
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
1808D	Petya, Petya, Petr, and Palindromes binary search brute force data structures two pointers	2100	2.8k
1805E	There Should Be a Lot of Maximums brute force data structures dfs and similar dp trees two pointers	2300	2k
1797E	Li Hua and Array brute force data structures dsu math number theory two pointers	2300	1.7k
1796D	Maximum Subarray data structures dp greedy two pointers	2000	5.5k

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