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Problemset

124 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
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
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2143C	Max Tree constructive algorithms dfs and similar graphs greedy	1300	14.9k
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
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
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
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
1844E	Great Grids 2-sat constructive algorithms dfs and similar dsu graphs	2400	2.2k
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
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
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
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
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
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
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	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
1610F	Mashtali: a Space Oddysey constructive algorithms dfs and similar graphs	3000	716
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
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1537F	Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math	2200	2.9k
1533G	Biome Map *special constructive algorithms dfs and similar graphs	unrated	98
1533I	Excursions *special constructive algorithms dfs and similar flows graph matchings graphs	unrated	61
1519E	Off by One constructive algorithms dfs and similar geometry graphs sortings trees	2700	943
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1477D	Nezzar and Hidden Permutations constructive algorithms dfs and similar graphs	2800	808
1470D	Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy	2200	4.3k
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1450E	Capitalism constructive algorithms dfs and similar graphs shortest paths	2700	1.5k
1407E	Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths	2500	2k
1406C	Link Cut Centroids constructive algorithms dfs and similar graphs trees	1700	12k
1391E	Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees	2600	2.1k
1385E	Directing Edges constructive algorithms dfs and similar graphs	2000	9.5k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1365D	Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths	1700	21.3k
1364D	Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees	2100	5.1k
1361C	Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs	2500	2.1k
1344B	Monopole Magnets constructive algorithms dfs and similar dsu graphs	2000	6.4k
1340D	Nastya and Time Machine constructive algorithms dfs and similar graphs trees	2600	1.1k
1325F	Ehab's Last Theorem constructive algorithms dfs and similar graphs greedy	2500	2.4k
1316D	Nash Matrix constructive algorithms dfs and similar graphs implementation	2000	3.7k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1282E	The Cake Is a Lie constructive algorithms data structures dfs and similar graphs	2400	1.2k
1270G	Subset with Zero Sum constructive algorithms dfs and similar graphs math	2700	3.1k
1253D	Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings	1700	10.4k
1217D	Coloring Edges constructive algorithms dfs and similar graphs	2100	6k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
1152E	Neko and Flashback constructive algorithms dfs and similar graphs	2400	1.2k
1141G	Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees	1900	2.6k
1133F2	Spanning Tree with One Fixed Degree constructive algorithms dfs and similar dsu graphs greedy	1900	3.9k
1103C	Johnny Solving constructive algorithms dfs and similar graphs math	2700	1k
1098C	Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees	2400	1.2k
1056D	Decorate Apple Tree constructive algorithms dfs and similar dp graphs greedy sortings trees	1600	6.8k
1033E	Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive	2800	823
1012B	Chemical table constructive algorithms dfs and similar dsu graphs matrices	1900	4.4k
911F	Tree Destruction constructive algorithms dfs and similar graphs greedy trees	2400	2.4k
901D	Weighting a Tree constructive algorithms dfs and similar graphs	2700	673
858F	Wizard's Tour constructive algorithms dfs and similar graphs	2300	2.2k

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