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Problemset

98 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2222G	Statistics on Tree binary search brute force dfs and similar divide and conquer graphs trees	3100	215
2217E	Definitely Larger binary search constructive algorithms data structures graphs greedy sortings	2000	2.5k
2207F	Hanabi binary search data structures dp dsu flows graph matchings graphs greedy	2900	315
2196C1	Interactive Graph (Simple Version) binary search combinatorics dfs and similar dp graphs interactive	1800	3.9k
2195G	Idiot First Search and Queries binary search data structures dp graphs trees	2300	1.2k
2184C	Huge Pile binary search dfs and similar dp graphs math	1100	23k
2181G	Greta's Game binary search dp graphs greedy math	2400	679
2164F2	Chain Prefix Rank (Hard Version) binary search combinatorics data structures dfs and similar dp graphs math trees	2900	648
2156E	Best Time to Buy and Sell Stock binary search brute force data structures dp games graphs greedy	2500	1k
2135C	By the Assignment binary search bitmasks combinatorics dfs and similar dsu graphs math	2000	5.4k
2127G2	Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities	3500	126
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2110D	Fewer Batteries binary search dfs and similar dp graphs greedy hashing	1700	8.8k
2109F	Penguin Steps binary search dfs and similar flows graphs shortest paths	3000	284
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2057E1	Another Exercise on Graphs (Easy Version) binary search brute force dp dsu graphs shortest paths sortings	2300	2.7k
2057E2	Another Exercise on Graphs (hard version) binary search dfs and similar dp dsu graphs shortest paths sortings	2500	2k
2041K	Trophic Balance Species binary search brute force dfs and similar graphs	3100	122
2027D1	The Endspeaker (Easy Version) binary search dp graphs greedy implementation two pointers	1700	7.1k
2023B	Skipping binary search dp graphs shortest paths	1700	7.3k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
2022E2	Billetes MX (Hard Version) binary search combinatorics data structures dsu graphs	2600	730
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
2002D2	DFS Checker (Hard Version) binary search data structures dfs and similar graphs hashing trees	2300	2.9k
2000G	Call During the Journey binary search brute force graphs greedy shortest paths	2100	3.2k
1967D	Long Way to be Non-decreasing binary search dfs and similar graphs implementation shortest paths two pointers	2800	998
1951I	Growing Trees binary search constructive algorithms flows graphs greedy	3200	118
1920F1	Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths	2500	1.3k
1920F2	Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees	3000	668
1903F	Babysitting 2-sat binary search data structures graphs trees	2500	976
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1887B	Time Travel binary search graphs shortest paths	1900	4k
1887E	Good Colorings binary search constructive algorithms graphs interactive	3100	534
1876F	Indefinite Clownfish binary search graphs	3500	228
1866K	Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	2500	585
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1809F	Traveling in Berland binary search data structures graphs greedy implementation	2500	972
1804F	Approximate Diameter binary search divide and conquer graphs shortest paths	2700	1.2k
1801D	The way home binary search data structures dp graphs greedy shortest paths sortings	2100	2.9k
1777E	Edge Reverse binary search dfs and similar graphs trees	2200	2.4k
1765H	Hospital Queue binary search graphs greedy implementation	2200	1.6k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1739D	Reset K Edges binary search data structures dfs and similar graphs greedy trees	1900	6.4k
1679D	Toss a Coin to Your Graph... binary search dfs and similar dp graphs	1900	6k
1656F	Parametric MST binary search constructive algorithms graphs greedy math sortings	2600	1.3k
1651D	Nearest Excluded Points binary search data structures dfs and similar graphs shortest paths	1900	6.7k
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1632E1	Distance Tree (easy version) binary search data structures dfs and similar graphs shortest paths trees	2400	1.4k
1625E2	Cats on the Upgrade (hard version) binary search data structures dfs and similar graphs trees	2800	705
1615H	Reindeer Games binary search constructive algorithms data structures divide and conquer flows graphs shortest paths	3000	457
1588F	Jumping Through the Array binary search data structures graphs two pointers	3500	359
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
1558E	Down Below binary search dfs and similar graphs greedy meet-in-the-middle shortest paths	3000	726
1550F	Jumping Around binary search data structures divide and conquer dp dsu graphs shortest paths	2700	958
1516D	Cut binary search data structures dp graphs number theory two pointers	2100	5.3k
1514E	Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers	2700	712
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1436D	Bandit in a City binary search dfs and similar graphs greedy trees	1900	6.6k
1423B	Valuable Paper binary search flows graph matchings graphs	1900	2.1k
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1403A	The Potion of Great Power *special 2-sat binary search data structures graphs interactive sortings two pointers	2400	359
1370F1	The Hidden Pair (Easy Version) binary search dfs and similar graphs interactive shortest paths trees	2400	1.8k
1370F2	The Hidden Pair (Hard Version) binary search dfs and similar graphs interactive shortest paths trees	2700	1.7k
1366F	Jog Around The Graph binary search dp geometry graphs	2700	939
1361C	Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs	2500	2.1k
1307D	Cow and Fields binary search data structures dfs and similar graphs greedy shortest paths sortings	1900	7.4k
1253F	Cheap Robot binary search dsu graphs shortest paths trees	2500	2.4k
1227E	Arson In Berland Forest binary search graphs shortest paths	2200	1.8k
1178H	Stock Exchange binary search flows graphs	3500	299
1141G	Privatization of Roads in Treeland binary search constructive algorithms dfs and similar graphs greedy trees	1900	2.6k
1108F	MST Unification binary search dsu graphs greedy	2100	3.7k
1102F	Elongated Matrix binary search bitmasks brute force dp graphs	2000	2.4k
1100E	Andrew and Taxi binary search dfs and similar graphs	2200	2.7k
1098C	Construct a tree binary search constructive algorithms dfs and similar graphs greedy trees	2400	1.2k
1091E	New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings	2400	1.1k
1033E	Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive	2800	823
1027F	Session in BSU binary search dfs and similar dsu graph matchings graphs	2400	2k
901C	Bipartite Segments binary search data structures dfs and similar dsu graphs two pointers	2300	1.3k
847J	Students Initiation binary search flows graphs	2400	809
842E	Nikita and game binary search dfs and similar divide and conquer graphs trees	2800	513
808F	Card Game binary search flows graphs	2400	1.7k
802M2	April Fools' Problem (medium) binary search flows graphs	2400	1.5k
739B	Alyona and a tree binary search data structures dfs and similar graphs trees	1900	5.2k
715B	Complete The Graph binary search constructive algorithms graphs shortest paths	2300	3.8k
653D	Delivery Bears binary search flows graphs	2200	3k
645D	Robot Rapping Results Report binary search dp graphs	1800	3.4k
627D	Preorder Test binary search dfs and similar dp graphs greedy trees	2600	1k
570D	Tree Requests binary search bitmasks constructive algorithms dfs and similar graphs trees	2200	9.3k
553D	Nudist Beach binary search graphs greedy	2300	1.1k
301B	Yaroslav and Time binary search graphs shortest paths	2100	2.9k
232A	Cycles binary search constructive algorithms graphs greedy	1600	2.9k
229B	Planets binary search data structures graphs shortest paths	1700	5.9k
147B	Smile House binary search graphs matrices	2500	1k
125E	MST Company binary search graphs	2400	1.6k
97C	Winning Strategy binary search graphs math shortest paths	2400	367
85E	Guard Towers binary search dsu geometry graphs sortings	2600	1.1k

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