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Problemset

114 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2217E	Definitely Larger binary search constructive algorithms data structures graphs greedy sortings	2000	2.5k
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2192E	Swap to Rearrange constructive algorithms dfs and similar graph matchings graphs greedy strings	2100	2.3k
2152E	Monotone Subsequence constructive algorithms graphs greedy interactive math	2100	3.9k
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
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
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
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
2048E	Kevin and Bipartite Graph constructive algorithms graphs greedy	2000	3.6k
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
2006A	Iris and Game on the Tree constructive algorithms dfs and similar games graphs greedy trees	1700	9.8k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
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
1951I	Growing Trees binary search constructive algorithms flows graphs greedy	3200	118
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
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
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
1842D	Tenzing and His Animal Friends constructive algorithms graphs greedy	1900	4.8k
1815C	Between constructive algorithms dfs and similar graphs greedy	2200	2.4k
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
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
1776F	Train Splitting constructive algorithms graphs greedy	1700	4.2k
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
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1687B	Railway System constructive algorithms graphs greedy interactive sortings	1700	4.2k
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
1672F1	Array Shuffling constructive algorithms graphs greedy	2000	3.6k
1656F	Parametric MST binary search constructive algorithms graphs greedy math sortings	2600	1.3k
1635E	Cars 2-sat constructive algorithms dfs and similar dsu graphs greedy sortings	2200	2.9k
1583E	Moment of Bloom constructive algorithms dfs and similar graph matchings graphs greedy trees	2200	2.5k
1581B	Diameter of Graph constructive algorithms graphs greedy math	1200	12.6k
1579D	Productive Meeting constructive algorithms graphs greedy	1400	18.6k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1559D1	Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees	1400	16.5k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1540A	Great Graphs constructive algorithms graphs greedy shortest paths sortings	1400	15.1k
1537F	Figure Fixing constructive algorithms dfs and similar dsu graphs greedy math	2200	2.9k
1530D	Secret Santa constructive algorithms flows graphs greedy math	1600	10.2k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1513D	GCD and MST constructive algorithms dsu graphs greedy number theory sortings	2000	6.7k
1511D	Min Cost String brute force constructive algorithms graphs greedy strings	1600	12.6k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1470D	Strange Housing constructive algorithms dfs and similar graph matchings graphs greedy	2200	4.3k
1439A2	Binary Table (Hard Version) constructive algorithms graphs greedy implementation	1900	5.4k
1407E	Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths	2500	2k
1391E	Pairs of Pairs constructive algorithms dfs and similar graphs greedy trees	2600	2.1k
1383D	Rearrange brute force constructive algorithms graphs greedy sortings	2800	836
1368E	Ski Accidents constructive algorithms graphs greedy	2500	2.4k
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
1361A	Johnny and Contribution constructive algorithms graphs greedy sortings	1700	8.9k
1334D	Minimum Euler Cycle constructive algorithms graphs greedy implementation	1800	7.8k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1328D	Carousel constructive algorithms dp graphs greedy math	1800	14.7k
1325F	Ehab's Last Theorem constructive algorithms dfs and similar graphs greedy	2500	2.4k
1304D	Shortest and Longest LIS constructive algorithms graphs greedy two pointers	1800	6.8k
1296E1	String Coloring (easy version) constructive algorithms dp graphs greedy sortings	1800	8.3k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1253D	Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings	1700	10.4k
1198C	Matching vs Independent Set constructive algorithms graphs greedy sortings	2000	4.1k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
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
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
1041E	Tree Reconstruction constructive algorithms data structures graphs greedy	1900	3.9k
1009D	Relatively Prime Graph brute force constructive algorithms graphs greedy math	1700	6.7k
911F	Tree Destruction constructive algorithms dfs and similar graphs greedy trees	2400	2.4k
883B	Berland Army constructive algorithms graphs greedy	2600	479
850D	Tournament Construction constructive algorithms dp graphs greedy math	2800	498
761E	Dasha and Puzzle constructive algorithms dfs and similar graphs greedy trees	2000	2.4k

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