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Problemset

20 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2146D1	Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees	1500	11.2k
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
1994E	Wooden Game bitmasks greedy math trees	2000	5.7k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1882D	Tree XOR bitmasks dfs and similar dp greedy trees	1900	7.3k
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1851F	Lisa and the Martians bitmasks greedy math strings trees	1800	7.8k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1709E	XOR Tree bitmasks data structures dfs and similar dsu greedy trees	2400	4.2k
1605D	Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees	2100	3.3k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1338B	Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees	1800	9.7k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
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
429C	Guess the Tree bitmasks constructive algorithms dp greedy trees	2300	1.1k

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