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Problemset

302 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2249F	Even Simple Path constructive algorithms graphs shortest paths	unrated	50
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2217E	Definitely Larger binary search constructive algorithms data structures graphs greedy sortings	2000	2.5k
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2205F	Simons and Reconstructing His Roads constructive algorithms data structures dsu graphs	2400	714
2204D	Alternating Path constructive algorithms dfs and similar graph matchings graphs	1400	10k
2196F	Indivisible brute force constructive algorithms graphs	3300	118
2192E	Swap to Rearrange constructive algorithms dfs and similar graph matchings graphs greedy strings	2100	2.3k
2181K	Knit the Grid 2-sat constructive algorithms graphs matrices	3500	89
2179F	Blackslex and Another RGB Walking communication constructive algorithms graphs interactive number theory trees	2000	2.9k
2172N	New Kingdom constructive algorithms graphs implementation	2800	176
2168C	Intercepting Butterflies bitmasks communication constructive algorithms graphs interactive	unrated	912
2164G	Pointless Machine constructive algorithms graphs interactive trees	3300	249
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2158F1	Distinct GCDs (Easy Version) constructive algorithms graphs math number theory	2600	450
2158F2	Distinct GCDs (Hard Version) combinatorics constructive algorithms graphs math number theory	3000	287
2155B	Abraham's Great Escape constructive algorithms graphs	1100	17.8k
2155D	Batteries brute force constructive algorithms graph matchings graphs interactive math	1800	6.2k
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2152E	Monotone Subsequence constructive algorithms graphs greedy interactive math	2100	3.9k
2150F	Cycle Closing constructive algorithms graphs implementation shortest paths trees	3000	224
2147H	Maxflow GCD Coloring constructive algorithms flows graphs	3500	284
2143C	Max Tree constructive algorithms dfs and similar graphs greedy	1300	14.9k
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
2127G2	Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities	3500	126
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2113F	Two Arrays constructive algorithms dfs and similar graphs math	2500	992
2112D	Reachability and Tree constructive algorithms dfs and similar graphs trees	1700	9.8k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2092E	She knows... combinatorics constructive algorithms graphs math	2100	3.9k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2080A	Strong Connectivity Strikes Back *special constructive algorithms graphs	3200	46
2078B	Vicious Labyrinth constructive algorithms graphs greedy implementation math	1100	18.6k
2068A	Condorcet Elections constructive algorithms graphs greedy probabilities	2300	1k
2062F	Traveling Salescat constructive algorithms dp geometry graphs greedy math sortings	2900	633
2061G	Kevin and Teams constructive algorithms graphs interactive	2900	526
2052F	Fix Flooded Floor constructive algorithms dp graphs	1700	3.9k
2048E	Kevin and Bipartite Graph constructive algorithms graphs greedy	2000	3.6k
2034C	Trapped in the Witch's Labyrinth constructive algorithms dfs and similar graphs implementation	1400	9.4k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2029F	Palindrome Everywhere constructive algorithms graphs greedy	2500	866
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2025F	Choose Your Queries constructive algorithms dfs and similar dp graphs greedy trees	2700	1.1k
2023C	C+K+S constructive algorithms dfs and similar graphs greedy hashing implementation strings	2400	1.4k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
2006A	Iris and Game on the Tree constructive algorithms dfs and similar games graphs greedy trees	1700	9.8k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1994F	Stardew Valley constructive algorithms dfs and similar graphs trees	2500	1.6k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1991E	Coloring Game constructive algorithms dfs and similar games graphs greedy interactive	1900	5.2k
1981D	Turtle and Multiplication constructive algorithms dfs and similar graphs number theory	2400	2.2k
1979F	Kostyanych's Theorem brute force constructive algorithms graphs interactive	2900	451
1977E	Tensor constructive algorithms graphs interactive	2600	951
1956F	Nene and the Passing Game constructive algorithms data structures dsu graphs sortings	3000	747
1951I	Growing Trees binary search constructive algorithms flows graphs greedy	3200	118
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
1941G	Rudolf and Subway constructive algorithms dfs and similar graphs shortest paths	2000	4.8k
1940A	Parallel Universes *special constructive algorithms dfs and similar dsu graphs	unrated	106
1939B	Evidence Board *special constructive algorithms dfs and similar graphs trees	unrated	308
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1916F	Group Division constructive algorithms dfs and similar graphs greedy	2900	756
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1887E	Good Colorings binary search constructive algorithms graphs interactive	3100	534
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1876C	Autosynthesis constructive algorithms dfs and similar graphs greedy sortings	2100	2.8k
1868B1	Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	1700	8.4k
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1852B	Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers	1800	5.5k
1844E	Great Grids 2-sat constructive algorithms dfs and similar dsu graphs	2400	2.2k
1842D	Tenzing and His Animal Friends constructive algorithms graphs greedy	1900	4.8k
1817B	Fish Graph brute force constructive algorithms dfs and similar graphs	1900	5.2k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1815C	Between constructive algorithms dfs and similar graphs greedy	2200	2.4k
1815F	OH NO1 (-2-3-4) constructive algorithms graphs math	3500	324
1800E1	Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings	1400	15.9k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1797A	Li Hua and Maze constructive algorithms flows graphs greedy implementation	800	19.7k
1790G	Tokens on Graph constructive algorithms dfs and similar graphs shortest paths	2300	1.3k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1779E	Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings	2400	2.1k
1779G	The Game of the Century constructive algorithms graphs shortest paths	3000	418
1776F	Train Splitting constructive algorithms graphs greedy	1700	4.2k
1772F	Copy of a Copy of a Copy constructive algorithms dfs and similar graphs implementation sortings	2000	2.9k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1768D	Lucky Permutation constructive algorithms dfs and similar graphs greedy	1800	9.3k
1761C	Set Construction constructive algorithms dfs and similar graphs greedy	1400	10.8k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1753D	The Beach constructive algorithms dfs and similar graphs shortest paths	2400	2.1k
1749E	Cactus Wall constructive algorithms dfs and similar graphs shortest paths	2400	2.1k
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k

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