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Problemset

75 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2237E	Permutation Commutation data structures graphs greedy	2000	2k
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
2187C	Jerry and Tom data structures dfs and similar dsu games graphs greedy trees	2300	1.5k
2164E	Journey data structures dfs and similar dsu graphs greedy	2300	3.6k
2156E	Best Time to Buy and Sell Stock binary search brute force data structures dp games graphs greedy	2500	1k
2131D	Arboris Contractio data structures graphs greedy trees	1400	14.9k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2065F	Skibidus and Slay data structures dfs and similar graphs greedy trees	1700	7.3k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2062E1	The Game (Easy Version) data structures dfs and similar games graphs greedy trees	2000	4.4k
2059D	Graph and Graph data structures graphs greedy shortest paths	1900	6.7k
2053I2	Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers	3500	110
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
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
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2021E3	Digital Village (Extreme Version) data structures dfs and similar dp dsu graphs greedy math trees	2800	725
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
1998D	Determine Winning Islands in Race data structures dp graphs greedy shortest paths	2100	4.2k
1996G	Penacony brute force data structures graphs greedy hashing	2200	2.4k
1981E	Turtle and Intersected Segments data structures dsu graphs greedy	2600	1.3k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1936C	Pokémon Arena data structures graphs greedy implementation shortest paths sortings	2400	1.8k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1870H	Standard Graph Problem data structures graphs greedy trees	3500	127
1843F1	Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees	1800	6.5k
1810E	Monsters brute force data structures dfs and similar dsu graphs greedy	2100	4k
1809F	Traveling in Berland binary search data structures graphs greedy implementation	2500	972
1801D	The way home binary search data structures dp graphs greedy shortest paths sortings	2100	2.9k
1739D	Reset K Edges binary search data structures dfs and similar graphs greedy trees	1900	6.4k
1726C	Jatayu's Balanced Bracket Sequence data structures dsu graphs greedy	1300	13.5k
1715E	Long Way Home data structures divide and conquer dp geometry graphs greedy shortest paths	2400	2.4k
1695C	Zero Path brute force data structures dp graphs greedy shortest paths	1700	14.5k
1691E	Number of Groups data structures dfs and similar dsu graphs greedy sortings	2300	2.2k
1682F	MCMF? data structures flows graphs greedy sortings two pointers	2700	471
1654G	Snowy Mountain data structures dfs and similar graphs greedy shortest paths trees	2900	474
1633E	Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees	2400	1.8k
1615E	Purple Crayon data structures dfs and similar games graphs greedy math sortings trees	2400	1.8k
1608C	Game Master data structures dfs and similar dp graphs greedy two pointers	1700	7.4k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1566G	Four Vertices constructive algorithms data structures graphs greedy implementation shortest paths	3100	433
1548E	Gregor and the Two Painters data structures divide and conquer graphs greedy math	3400	618
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1487E	Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers	2000	5.2k
1458D	Flip and Reverse data structures graphs greedy	3100	1.7k
1408E	Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees	2400	2.2k
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1348F	Phoenix and Memory data structures dfs and similar graphs greedy	2600	968
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
1266D	Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers	2000	3.9k
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1158C	Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings	2100	2.3k
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
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
958B2	Maximum Control (medium) data structures dfs and similar graphs greedy trees	2200	765
912D	Fishes data structures graphs greedy probabilities shortest paths	2100	2.2k
825E	Minimal Labels data structures dfs and similar graphs greedy	2300	4.4k
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
659E	New Reform data structures dfs and similar dsu graphs greedy	1600	8.1k
525D	Arthur and Walls constructive algorithms data structures graphs greedy shortest paths	2400	2.3k
362D	Fools and Foolproof Roads data structures dfs and similar dsu graphs greedy	2100	1.1k
253C	Text Editor data structures dfs and similar graphs greedy shortest paths	1600	2.9k
167D	Wizards and Roads data structures divide and conquer graph matchings graphs greedy	3000	303

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