11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

225 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1625E2	Cats on the Upgrade (hard version) binary search data structures dfs and similar graphs trees	2800	705
1615E	Purple Crayon data structures dfs and similar games graphs greedy math sortings trees	2400	1.8k
1615H	Reindeer Games binary search constructive algorithms data structures divide and conquer flows graphs shortest paths	3000	457
1608C	Game Master data structures dfs and similar dp graphs greedy two pointers	1700	7.4k
1601B	Frog Traveler data structures dfs and similar dp graphs shortest paths two pointers	1900	5.6k
1599I	Desert data structures graphs	2700	148
1588F	Jumping Through the Array binary search data structures graphs two pointers	3500	359
1580E	Railway Construction brute force constructive algorithms data structures graphs shortest paths	3400	126
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1555F	Good Graph data structures dsu graphs trees	2700	1.1k
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
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1503F	Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation	3500	239
1499G	Graph Coloring data structures graphs interactive	3100	294
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1494E	A-Z Graph constructive algorithms data structures graphs hashing	2400	2.1k
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1476E	Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings	2300	2.8k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1468M	Similar Sets data structures graphs implementation	2300	1.2k
1458D	Flip and Reverse data structures graphs greedy	3100	1.7k
1444C	Team-Building data structures dfs and similar dsu graphs	2500	1.9k
1439B	Graph Subset Problem constructive algorithms data structures graphs	2600	1.7k
1423H	Virus data structures divide and conquer dsu graphs	2500	669
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1416D	Graph and Queries data structures dsu graphs implementation trees	2600	2.9k
1408E	Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees	2400	2.2k
1407D	Discrete Centrifugal Jumps data structures dp graphs	2200	6k
1403A	The Potion of Great Power *special 2-sat binary search data structures graphs interactive sortings two pointers	2400	359
1403B	Spring cleaning *special data structures dfs and similar graphs trees	2300	437
1399F	Yet Another Segments Subset data structures dp graphs sortings	2300	1.9k
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1368G	Shifting Dominoes data structures geometry graphs trees	3200	797
1348F	Phoenix and Memory data structures dfs and similar graphs greedy	2600	968
1336F	Journey data structures divide and conquer graphs trees	3500	284
1335F	Robots on a Grid data structures dfs and similar dsu graphs greedy matrices	2200	2.5k
1307D	Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings	1900	7.4k
1286B	Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees	1800	5.7k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1284F	New Year and Social Network data structures graph matchings graphs math trees	3200	424
1282E	The Cake Is a Lie constructive algorithms data structures dfs and similar graphs	2400	1.2k
1278D	Segment Tree data structures dsu graphs trees	2100	4.4k
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1263F	Economic Difficulties data structures dfs and similar dp flows graphs trees	2400	982
1217F	Forced Online Queries Problem data structures divide and conquer dsu graphs trees	2600	744
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1209F	Koala and Notebook data structures dfs and similar graphs shortest paths strings trees	2600	1.4k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1184E3	Daleks' Invasion (hard) data structures dsu graphs trees	2400	698
1166F	Vicky's Delivery Service data structures dsu graphs hashing	2400	847
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1163F	Indecisive Taxi Fee data structures graphs shortest paths	3000	1.5k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
1111E	Tree data structures dfs and similar dp graphs trees	2500	1.2k
1106D	Lunar New Year and a Wander data structures dfs and similar graphs greedy shortest paths	1500	20.7k
1091E	New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings	2400	1.1k
1056G	Take Metro brute force data structures graphs	2900	330
1045A	Last chance data structures flows graph matchings graphs trees	2500	607
1042F	Leaf Sets data structures dfs and similar dsu graphs greedy sortings trees	2400	1.6k
1041E	Tree Reconstruction constructive algorithms data structures graphs greedy	1900	3.9k
960F	Pathwalks data structures dp graphs	2100	3.5k
958B2	Maximum Control (medium) data structures dfs and similar graphs greedy trees	2200	765
938D	Buy a Ticket data structures graphs shortest paths	2000	7.4k
938G	Shortest Path Queries bitmasks data structures dsu graphs	2900	1.2k
920E	Connected Components? data structures dfs and similar dsu graphs	2100	8k
915F	Imbalance Value of a Tree data structures dsu graphs trees	2400	3.2k
912D	Fishes data structures graphs greedy probabilities shortest paths	2100	2.2k
903G	Yet Another Maxflow Problem data structures flows graphs	2700	762
901C	Bipartite Segments binary search data structures dfs and similar dsu graphs two pointers	2300	1.3k
891C	Envy data structures dsu graphs	2300	3.1k
878C	Tournament data structures graphs	2700	1.1k
877D	Olya and Energy Drinks data structures dfs and similar graphs shortest paths	2100	5.3k
840B	Leha and another game about graph constructive algorithms data structures dfs and similar dp graphs	2100	2.9k
827D	Best Edge Weight data structures dfs and similar graphs trees	2700	1.5k
827F	Dirty Arkady's Kitchen data structures dp graphs shortest paths	3200	604
825E	Minimal Labels data structures dfs and similar graphs greedy	2300	4.4k
813F	Bipartite Checking data structures dsu graphs	2500	1.8k
811E	Vladik and Entertaining Flags data structures dsu graphs	2600	1k
798E	Mike and code of a permutation constructive algorithms data structures graphs sortings	3000	558
786B	Legacy data structures graphs shortest paths	2300	8.3k
786E	ALT data structures flows graphs trees	3200	849
776F	Sherlock's bet to Moriarty constructive algorithms data structures divide and conquer geometry graphs implementation trees	2800	543
766D	Mahmoud and a Dictionary data structures dfs and similar dp dsu graphs	2000	4k
763D	Timofey and a flat tree data structures graphs hashing shortest paths trees	2900	682
757F	Team Rocket Rises Again data structures graphs shortest paths	2800	1.5k
757G	Can Bash Save the Day? data structures divide and conquer graphs trees	3400	660
739B	Alyona and a tree binary search data structures dfs and similar graphs trees	1900	5.2k
733F	Drivers Dissatisfaction data structures dsu graphs trees	2200	1.4k
729E	Subordinates constructive algorithms data structures graphs greedy sortings	1900	2.4k
708C	Centroids data structures dfs and similar dp graphs greedy trees	2300	4.5k
702E	Analysis of Pathes in Functional Graph data structures graphs	2100	3.2k
687D	Dividing Kingdom II brute force data structures dsu graphs sortings	2500	1.2k
677D	Vanya and Treasure data structures dp graphs shortest paths	2300	2.1k
659E	New Reform data structures dfs and similar dsu graphs greedy	1600	8.1k
639F	Bear and Chemistry data structures dfs and similar graphs trees	3300	610
609E	Minimum spanning tree for each edge data structures dfs and similar dsu graphs trees	2100	10.7k

showing 101–200 of 225