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Problemset

44 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2107D	Apple Tree Traversing brute force dfs and similar greedy implementation trees	2100	3.6k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2067C	Devyatkino brute force dfs and similar greedy math	1500	13k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
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
2018C	Tree Pruning brute force dfs and similar greedy sortings trees	1700	10.2k
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1975D	Paint the Tree brute force dfs and similar dp greedy shortest paths trees	1700	7.6k
1968D	Permutation Game brute force dfs and similar games graphs greedy math	1300	17.7k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1867F	Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	2700	554
1863E	Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	2100	3.3k
1810E	Monsters brute force data structures dfs and similar dsu graphs greedy	2100	4k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1695D1	Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	2200	2.5k
1661B	Getting Zero bitmasks brute force dfs and similar dp graphs greedy shortest paths	1300	21.1k
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	669
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
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
1520G	To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths	2200	4.4k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
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
1379C	Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers	2000	6.2k
1367E	Necklace Assembly brute force dfs and similar dp graphs greedy number theory	1900	5.9k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960
27B	Tournament bitmasks brute force dfs and similar greedy	1300	6k

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