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Problemset

648 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2249C	Double-Rift Dial data structures dfs and similar dsu implementation two pointers	unrated	1k
2247E	Build a Tree constructive algorithms trees two pointers	unrated	864
2242C	Unstable Elements brute force data structures implementation sortings two pointers	1300	10.5k
2239B	Decidophobia greedy math sortings two pointers	1500	6.6k
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
2234C	Vessels, Heights and Two Versions (Easy Version) dfs and similar dsu greedy implementation two pointers	1200	12k
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
2232C1	Seating Arrangement (Easy Version) binary search dp greedy two pointers	1300	11.9k
2232C2	Seating Arrangement (Hard Version) binary search greedy math two pointers	1500	8.5k
2231D	Maximum Prefix Sums constructive algorithms greedy implementation two pointers	1900	3.7k
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
2211C1	Equal Multisets (Easy Version) binary search brute force greedy two pointers	1300	10.4k
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
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
2197B	Array and Permutation implementation schedules sortings two pointers	1100	16.9k
2196B	Another Problem about Beautiful Pairs brute force math two pointers	1600	9.3k
2193D	Monster Game binary search sortings two pointers	1100	22.8k
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2190C	Comparable Permutations greedy implementation interactive sortings two pointers	2300	1.4k
2185D	OutOfMemoryError data structures implementation math two pointers	1100	21.9k
2185E	The Robotic Rush binary search greedy implementation two pointers	1500	11k
2183C	War Strategy binary search greedy math two pointers	1500	11.2k
2182E	New Year's Gifts binary search data structures greedy sortings two pointers	1800	5.9k
2174A	Needle in a Haystack greedy strings two pointers	1200	15.2k
2170C	Quotient and Remainder binary search greedy two pointers	1300	11.9k
2169C	Range Operation dp greedy math two pointers	1300	13.4k
2164D	Copy String greedy implementation strings two pointers	1800	6.2k
2163C	Monopati brute force combinatorics dp math two pointers	1500	9.6k
2161C	Loyalty constructive algorithms greedy sortings two pointers	1200	13.3k
2159B	Rectangles brute force data structures dp dsu greedy implementation two pointers	2100	3.4k
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
2154A	Notelock greedy two pointers	800	23.7k
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2154E	No Mind To Think binary search divide and conquer greedy sortings ternary search two pointers	2500	1.2k
2149E	Hidden Knowledge of the Ancients data structures two pointers	1500	9.7k
2148E	Split binary search data structures two pointers	1200	14.8k
2143A	All Lengths Subtraction brute force two pointers	800	21.5k
2143B	Discounts greedy sortings two pointers	1000	22k
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
2136B	Like the Bitset constructive algorithms greedy two pointers	900	21.7k
2131F	Unjust Binary Life binary search data structures greedy math sortings two pointers	1900	4.8k
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
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
2125E	Sets of Complementary Sums brute force combinatorics dp math two pointers	2500	1.4k
2124D	Make a Palindrome greedy sortings two pointers	1700	9.2k
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
2112C	Coloring Game binary search brute force greedy two pointers	1300	18.2k
2111C	Equal Values brute force greedy two pointers	1100	20k
2106D	Flower Boy binary search dp greedy two pointers	1500	12.6k
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
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
2094D	Tung Tung Sahur greedy strings two pointers	1100	24.5k
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2091E	Interesting Ratio brute force math number theory two pointers	1300	20.2k
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
2084E	Blossom binary search combinatorics dp implementation math two pointers	2400	1.8k
2074D	Counting Points brute force data structures geometry implementation two pointers	1400	12.4k
2069C	Beautiful Sequence combinatorics dp greedy two pointers	1500	15.3k
2069D	Palindrome Shuffle binary search greedy hashing strings two pointers	1800	7.2k
2068C	Ads binary search greedy two pointers	2100	1.7k
2064B	Variety is Discouraged binary search constructive algorithms greedy two pointers	1100	20.4k
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
2060C	Game of Mathletes games greedy sortings two pointers	900	32.8k
2057F	Formation binary search data structures dp sortings two pointers	3300	249
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
2051D	Counting Pairs binary search sortings two pointers	1200	24.7k
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
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
2038L	Bridge Renovation brute force dp greedy math two pointers	1400	8.3k
2037D	Sharky Surfing data structures greedy two pointers	1300	15k
2037E	Kachina's Favorite Binary String dp greedy interactive two pointers	1600	7.6k
2037F	Ardent Flames binary search data structures math sortings two pointers	2100	3k
2036F	XORificator 3000 bitmasks dp number theory two pointers	1900	5.5k
2034B	Rakhsh's Revival data structures greedy implementation two pointers	1000	16.1k

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