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Problemset

209 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1566E	Buds Re-hanging constructive algorithms dfs and similar dp greedy trees	2000	4.5k
1560F1	Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy	1900	6.8k
1560F2	Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy	2100	5.1k
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
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1519E	Off by One constructive algorithms dfs and similar geometry graphs sortings trees	2700	943
1517C	Fillomino 2 constructive algorithms dfs and similar greedy implementation	1400	14.3k
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	453
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1492E	Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation	2500	1.3k
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
1446E	Long Recovery constructive algorithms dfs and similar	3500	128
1442E	Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees	3000	805
1433D	Districts Connection constructive algorithms dfs and similar	1200	32k
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
1404D	Game of Pairs constructive algorithms dfs and similar interactive math number theory	2800	1.3k
1396E	Distance Matching constructive algorithms dfs and similar trees	3200	441
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
1352F	Binary String Reconstruction constructive algorithms dfs and similar math	1500	19.8k
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
1338B	Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees	1800	9.7k
1338D	Nested Rubber Bands constructive algorithms dfs and similar dp math trees	2700	1.2k
1325C	Ehab and Path-etic MEXs constructive algorithms dfs and similar greedy trees	1500	17.9k
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
1305D	Kuroni and the Celebration constructive algorithms dfs and similar interactive trees	1900	5.4k
1296F	Berland Beauty constructive algorithms dfs and similar greedy sortings trees	2100	3.1k
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
1278E	Tests for problem D constructive algorithms dfs and similar divide and conquer trees	2200	2.1k
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
1214H	Tiles Placement constructive algorithms dfs and similar trees	2800	493
1188A2	Add on a Tree: Revolution constructive algorithms dfs and similar implementation trees	2500	1.3k
1182D	Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees	2400	1k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
1152B	Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math	1300	9.4k
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
1098A	Sum in the tree constructive algorithms dfs and similar greedy trees	1600	9.7k
1098C	Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees	2400	1.2k
1092E	Minimal Diameter Forest constructive algorithms dfs and similar greedy trees	2000	2.2k
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
963B	Destruction of a Tree constructive algorithms dfs and similar dp greedy trees	2000	3k
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
847L	Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees	2400	363
843C	Upgrading Tree constructive algorithms dfs and similar graphs math trees	2600	416
840B	Leha and another game about graph constructive algorithms data structures dfs and similar dp graphs	2100	2.9k
822F	Madness constructive algorithms dfs and similar trees	2500	400
811D	Vladik and Favorite Game constructive algorithms dfs and similar graphs interactive	2100	1.9k
804C	Ice cream coloring constructive algorithms dfs and similar greedy	2200	2k
796D	Police Stations constructive algorithms dfs and similar dp graphs shortest paths trees	2100	7.8k
793E	Problem of offices constructive algorithms dfs and similar dp trees	2900	327
788B	Weird journey combinatorics constructive algorithms dfs and similar dsu graphs	2100	2.9k
780E	Underground Lab constructive algorithms dfs and similar graphs	2100	3.1k
768B	Code For 1 constructive algorithms dfs and similar divide and conquer	1600	7.1k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
761E	Dasha and Puzzle constructive algorithms dfs and similar graphs greedy trees	2000	2.4k
756A	Pavel and barbecue constructive algorithms dfs and similar	1700	3.2k
748F	Santa Clauses and a Soccer Championship constructive algorithms dfs and similar graphs trees	2300	744
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms dfs and similar graphs	2600	3.2k
723E	One-Way Reform constructive algorithms dfs and similar flows graphs greedy	2200	2.3k
698B	Fix a Tree constructive algorithms dfs and similar dsu graphs trees	1700	6.2k
681D	Gifts by the List constructive algorithms dfs and similar graphs trees	2000	1.9k
648C	Путь Робота constructive algorithms dfs and similar graphs	1100	1.4k
612E	Square Root of Permutation combinatorics constructive algorithms dfs and similar graphs math	2200	2.1k
576B	Invariance of Tree constructive algorithms dfs and similar greedy trees	2100	1.9k
573C	Bear and Drawing constructive algorithms dfs and similar trees	2300	1.1k
571C	CNF 2 constructive algorithms dfs and similar graphs greedy	2500	756
570D	Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees	2200	9.3k
549B	Looksery Party constructive algorithms dfs and similar graphs greedy	2300	1.6k
547D	Mike and Fish constructive algorithms dfs and similar graphs	2600	3.2k
453C	Little Pony and Summer Sun Celebration constructive algorithms dfs and similar graphs	2200	1.8k
441C	Valera and Tubes constructive algorithms dfs and similar implementation	1500	12.1k
359E	Neatness constructive algorithms dfs and similar	2400	557

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