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Problemset

209 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2244C	Stepan and Permutation constructive algorithms dfs and similar dsu greedy math number theory sortings	unrated	15.6k
2241B	Good times Good times constructive algorithms dfs and similar math	1100	19.7k
2232D	Magical Tiered Cake constructive algorithms dfs and similar dp greedy	2000	2.7k
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2207G	Toothless constructive algorithms dfs and similar dsu	3300	185
2204D	Alternating Path constructive algorithms dfs and similar graph matchings graphs	1400	10k
2192E	Swap to Rearrange constructive algorithms dfs and similar graph matchings graphs greedy strings	2100	2.3k
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
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2157H	Keygen 3 brute force combinatorics constructive algorithms dfs and similar math	3200	238
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2145D	Inversion Value of a Permutation constructive algorithms dfs and similar dp	1800	7k
2143C	Max Tree constructive algorithms dfs and similar graphs greedy	1300	14.9k
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
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
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
2103D	Local Construction constructive algorithms dfs and similar implementation two pointers	2000	4.1k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2071C	Trapmigiano Reggiano constructive algorithms data structures dfs and similar dp greedy sortings trees	1700	9.9k
2057G	Secret Message constructive algorithms dfs and similar math	3000	764
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2034C	Trapped in the Witch's Labyrinth constructive algorithms dfs and similar graphs implementation	1400	9.4k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
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
1994F	Stardew Valley constructive algorithms dfs and similar graphs trees	2500	1.6k
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
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1943C	Tree Compass constructive algorithms dfs and similar greedy trees	2300	2.7k
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
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math	2300	1.2k
1930H	Interactive Mex Tree constructive algorithms dfs and similar interactive trees	3300	379
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
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
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1867F	Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	2700	554
1844E	Great Grids 2-sat constructive algorithms dfs and similar dsu graphs	2400	2.2k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1839E	Decreasing Game constructive algorithms dfs and similar dp greedy interactive	2400	1.6k
1833G	Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees	1800	6.5k
1827E	Bus Routes binary search constructive algorithms dfs and similar greedy trees	3400	1k
1817B	Fish Graph brute force constructive algorithms dfs and similar graphs	1900	5.2k
1815C	Between constructive algorithms dfs and similar graphs greedy	2200	2.4k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1799E	City Union constructive algorithms dfs and similar dsu geometry greedy implementation math	2300	1.4k
1795F	Blocking Chips binary search constructive algorithms dfs and similar greedy trees	2400	1.4k
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
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
1764F	Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees	2500	1.3k
1761C	Set Construction constructive algorithms dfs and similar graphs greedy	1400	10.8k
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
1740E	Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees	1800	5.1k
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1695D1	Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	2200	2.5k
1695D2	Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees	2300	2.3k
1695E	Ambiguous Dominoes constructive algorithms dfs and similar graphs	2700	543
1689E	ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs	2500	1.4k
1685D1	Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu	2800	535
1684H	Hard Cut constructive algorithms dfs and similar divide and conquer math	3400	305
1682E	Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees	2700	777
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy	1900	4.1k
1672F2	Checker for Array Shuffling constructive algorithms dfs and similar graphs	2800	956
1670E	Hemose on the Tree bitmasks constructive algorithms dfs and similar trees	2200	2k
1667D	Edge Elimination constructive algorithms dfs and similar dp trees	2900	846
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1656E	Equal Tree Sums constructive algorithms dfs and similar math trees	2200	3.9k
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	669
1646D	Weight the Tree constructive algorithms dfs and similar dp implementation trees	2000	4.5k
1637F	Towers constructive algorithms dfs and similar dp greedy trees	2500	2.2k
1635E	Cars 2-sat constructive algorithms dfs and similar dsu graphs greedy sortings	2200	2.9k
1634E	Fair Share constructive algorithms data structures dfs and similar graph matchings graphs	2400	2.3k
1627C	Not Assigning constructive algorithms dfs and similar number theory trees	1400	16.4k
1618F	Reverse bitmasks constructive algorithms dfs and similar implementation math strings	2000	4.8k
1610F	Mashtali: a Space Oddysey constructive algorithms dfs and similar graphs	3000	716
1605D	Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees	2100	3.3k
1594D	The Number of Imposters constructive algorithms dfs and similar dp dsu graphs	1700	9.8k
1592C	Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	1700	9.3k
1583E	Moment of Bloom constructive algorithms dfs and similar graph matchings graphs greedy trees	2200	2.5k
1567F	One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation	2700	888

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