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Problemset

11 problems · filtered by 4 tags

#	Name	Rating↕	Solved↕
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1777D	Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees	1900	4.9k
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1498F	Christmas Game bitmasks data structures dfs and similar dp games math trees	2500	1.1k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1299D	Around the World bitmasks combinatorics dfs and similar dp graphs math trees	3000	652
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k

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