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Problemset

877 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2244C	Stepan and Permutation constructive algorithms dfs and similar dsu greedy math number theory sortings	unrated	15.6k
2244D	Yaroslav and Productivity constructive algorithms dp greedy math number theory	unrated	11.4k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2239A	Nim Game Is XOR Game constructive algorithms games greedy math	1300	8.7k
2237D	Fullmetal Bitchemist constructive algorithms greedy math	1500	6.2k
2232D	Magical Tiered Cake constructive algorithms dfs and similar dp greedy	2000	2.7k
2231D	Maximum Prefix Sums constructive algorithms greedy implementation two pointers	1900	3.7k
2231F	Quadratic Jumps brute force constructive algorithms greedy math number theory	2600	787
2229C1	We Be Flipping (Easy Version) constructive algorithms greedy	900	15.6k
2229C2	We Be Flipping (Hard Version) constructive algorithms dp greedy	1400	8.6k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2226D	Reserved Reversals constructive algorithms dp greedy math	1900	3.2k
2224A	Zhily and Array Operating constructive algorithms greedy	800	11.8k
2224B	Zhily and Mex and Max constructive algorithms greedy math sortings	1200	9k
2223A	Zhily and Bracket Swapping constructive algorithms greedy	1300	7.8k
2218C	The 67th Permutation Problem constructive algorithms greedy math	800	30.8k
2218D	The 67th OEIS Problem constructive algorithms greedy math number theory	1100	21.6k
2217E	Definitely Larger binary search constructive algorithms data structures graphs greedy sortings	2000	2.5k
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2215A	Interval Mod constructive algorithms dp greedy math	1700	3.7k
2215E	Star Map constructive algorithms data structures geometry greedy sortings	2700	217
2211B	Mickey Mouse Constructive constructive algorithms dp greedy math	1100	12.9k
2211C2	Equal Multisets (Hard Version) constructive algorithms dsu greedy	1800	4.2k
2211G	Rational Bubble Sort constructive algorithms geometry greedy	2900	332
2210A	A Simple Sequence constructive algorithms dp greedy number theory	800	24.5k
2209D	Ghostfires constructive algorithms greedy	1800	5.9k
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2207E1	N-MEX (Constructive Version) constructive algorithms greedy	2100	1.8k
2207H1	Bowser's Castle (Easy Version) binary search constructive algorithms divide and conquer greedy interactive trees	unrated	60
2199C	Minesweeper *special constructive algorithms greedy	1600	524
2194D	Table Cut constructive algorithms greedy implementation	1600	8.6k
2192E	Swap to Rearrange constructive algorithms dfs and similar graph matchings graphs greedy strings	2100	2.3k
2190A	Sorting Game constructive algorithms games greedy	1200	18.2k
2190B1	Sub-RBS (Easy Version) combinatorics constructive algorithms dp greedy strings two pointers	1400	11.5k
2189B	The Curse of the Frog constructive algorithms greedy math	1200	16.2k
2189E	Majority Wins? constructive algorithms greedy math strings	2600	882
2187B	Shortest Statement Ever bitmasks constructive algorithms dp greedy	1800	5.6k
2183B	Yet Another MEX Problem constructive algorithms greedy	1100	16.7k
2183D1	Tree Coloring (Easy Version) constructive algorithms dfs and similar greedy trees	1500	9.3k
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2183G	Snake Instructions constructive algorithms greedy interactive	3200	243
2182A	New Year String constructive algorithms greedy implementation strings	800	26.2k
2181E	Elevator Against Humanity brute force constructive algorithms greedy sortings	2900	160
2180C	XOR-factorization bitmasks constructive algorithms dp greedy number theory	1900	6.7k
2179D	Blackslex and Penguin Civilization bitmasks constructive algorithms greedy math	1300	14.1k
2178D	Xmas or Hysteria constructive algorithms greedy implementation math	1700	7k
2173C	Kanade's Perfect Multiples brute force constructive algorithms greedy number theory	1400	13.2k
2173E	Shiro's Mirror Duel constructive algorithms greedy interactive probabilities sortings	2200	1.6k
2171E	Anisphia Wynn Palettia and Good Permutations constructive algorithms greedy number theory	2000	3.8k
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2170D	Almost Roman constructive algorithms greedy implementation	2200	1.8k
2168B	Locate binary search combinatorics communication constructive algorithms greedy interactive	unrated	1.6k
2167C	Isamatdin and His Magic Wand! constructive algorithms greedy implementation sortings	800	37.1k
2165A	Cyclic Merging constructive algorithms greedy	1300	15.9k
2165E	Rainbow Branch constructive algorithms dp greedy trees	3200	416
2163B	Siga ta Kymata constructive algorithms greedy implementation math	1700	9.5k
2162C	Beautiful XOR bitmasks constructive algorithms greedy	1100	22.2k
2162E	Beautiful Palindromes constructive algorithms greedy schedules	1600	9.8k
2162F	Beautiful Intervals constructive algorithms greedy	2100	3k
2161C	Loyalty constructive algorithms greedy sortings two pointers	1200	13.3k
2158A	Suspension constructive algorithms greedy math	800	24k
2158B	Split constructive algorithms greedy math	1200	14.7k
2157C	Meximum Array 2 constructive algorithms greedy implementation math	1400	10.9k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2156A	Pizza Time brute force constructive algorithms greedy	800	27.5k
2154B	Make it Zigzag constructive algorithms greedy	1000	20.5k
2153C	Symmetrical Polygons constructive algorithms geometry greedy implementation sortings	1500	12.3k
2152E	Monotone Subsequence constructive algorithms graphs greedy interactive math	2100	3.9k
2148D	Destruction of the Dandelion Fields constructive algorithms greedy sortings	1000	27.9k
2147A	Shortest Increasing Path constructive algorithms greedy	800	20.2k
2147C	Rabbits constructive algorithms dp greedy implementation	1500	11.3k
2146D1	Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees	1500	11.2k
2146D2	Max Sum OR (Hard Version) bitmasks constructive algorithms divide and conquer greedy	2000	4.3k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2144B	Maximum Cost Permutation constructive algorithms greedy	1000	19.3k
2143C	Max Tree constructive algorithms dfs and similar graphs greedy	1300	14.9k
2143E	Make Good constructive algorithms greedy math strings	2400	2.1k
2138A	Cake Assignment bitmasks constructive algorithms greedy	1100	17.7k
2136B	Like the Bitset constructive algorithms greedy two pointers	900	21.7k
2134D	Sliding Tree constructive algorithms dfs and similar greedy implementation trees	2300	3.8k
2133E	I Yearned For The Mines constructive algorithms dfs and similar dp greedy trees	2500	1.8k
2131B	Alternating Series constructive algorithms greedy math	800	31.5k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
2129A	Double Perspective constructive algorithms dp dsu graphs greedy sortings	1300	18.3k
2128B	Deque Process constructive algorithms greedy sortings two pointers	1100	22.1k
2127A	Mix Mex Max constructive algorithms greedy math	800	21.1k
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2124C	Subset Multiplication constructive algorithms greedy math number theory	1300	16.3k
2124E	Make it Zero constructive algorithms greedy math	2100	4.9k
2123D	Binary String Battle constructive algorithms games greedy	1200	22.5k
2122A	Greedy Grid constructive algorithms greedy	800	20.7k
2122C	Manhattan Pairs constructive algorithms geometry greedy math sortings	1700	9.7k
2121B	Above the Clouds constructive algorithms greedy strings	800	32.8k
2120C	Divine Tree constructive algorithms greedy math sortings trees	1400	13k
2118A	Equal Subsequences constructive algorithms greedy	800	29.4k
2118E	Grid Coloring constructive algorithms geometry greedy math	2400	1.4k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2113C	Smilo and Minecraft brute force constructive algorithms greedy	1700	8.2k
2113D	Cheater binary search constructive algorithms greedy implementation	2200	3k

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