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Problemset

46 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2239E	The end of this world, data structures divide and conquer dsu graphs	3300	154
2222F	Building Tree data structures divide and conquer dsu graphs implementation	2600	716
2222G	Statistics on Tree binary search brute force dfs and similar divide and conquer graphs trees	3100	215
2158E	Sink data structures divide and conquer dsu graphs implementation	2600	665
2145F	Long Journey dfs and similar divide and conquer dp graphs greedy math matrices number theory	2500	1.1k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2104G	Modulo 3 data structures divide and conquer dsu graphs trees	2700	553
2069F	Graph Inclusion data structures dfs and similar divide and conquer dsu graphs	2800	824
1989F	Simultaneous Coloring dfs and similar divide and conquer graphs	3000	620
1940C	Burenka and Pether *special data structures dfs and similar divide and conquer dsu graphs sortings trees	unrated	44
1902F	Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees	2400	1.5k
1859F	Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees	3200	582
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1804F	Approximate Diameter binary search divide and conquer graphs shortest paths	2700	1.2k
1792F2	Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs	2900	558
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1741D	Masha and a Beautiful Tree dfs and similar divide and conquer graphs sortings trees	1300	18.7k
1740I	Arranging Crystal Balls data structures divide and conquer dp geometry graphs number theory	3500	182
1715E	Long Way Home data structures divide and conquer dp geometry graphs greedy shortest paths	2400	2.4k
1680F	Lenient Vertex Cover dfs and similar divide and conquer dsu graphs trees	2600	979
1648E	Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	3200	601
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1615H	Reindeer Games binary search constructive algorithms data structures divide and conquer flows graphs shortest paths	3000	457
1550F	Jumping Around binary search data structures divide and conquer dp dsu graphs shortest paths	2700	958
1548E	Gregor and the Two Painters data structures divide and conquer graphs greedy math	3400	618
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1423C	Dušan's Railway divide and conquer graphs trees	3500	222
1423H	Virus data structures divide and conquer dsu graphs	2500	669
1336F	Journey data structures divide and conquer graphs trees	3500	284
1268D	Invertation in Tournament brute force divide and conquer graphs math	3200	820
1218D	Xor Spanning Tree divide and conquer fft graphs	2400	619
1217F	Forced Online Queries Problem data structures divide and conquer dsu graphs trees	2600	744
1213G	Path Queries divide and conquer dsu graphs sortings trees	1800	9.9k
1174F	Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees	2400	2.1k
995E	Number Clicker divide and conquer graphs meet-in-the-middle number theory	2700	977
842E	Nikita and game binary search dfs and similar divide and conquer graphs trees	2800	513
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	543
757G	Can Bash Save the Day? data structures divide and conquer graphs trees	3400	660
685E	Travelling Through the Snow Queen's Kingdom bitmasks brute force divide and conquer graphs	2800	659
632F	Magic Matrix brute force divide and conquer graphs matrices trees	2400	1.3k
613D	Kingdom and its Cities dfs and similar divide and conquer dp graphs sortings trees	2800	4.3k
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960
232C	Doe Graphs constructive algorithms divide and conquer dp graphs shortest paths	2600	327
167D	Wizards and Roads data structures divide and conquer graph matchings graphs greedy	3000	303
117E	Tree or not Tree data structures divide and conquer graphs implementation trees	2900	451

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