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Problemset

34 problems · filtered by 4 tags

#	Name	Rating↕	Solved↕
2194C	Secret message bitmasks brute force dp math number theory	1300	11.6k
2182F1	Christmas Reindeer (easy version) bitmasks brute force combinatorics dp math	2300	1.3k
2173D	Taiga's Carry Chains bitmasks brute force dp greedy math	1900	3.8k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2131G	Wafu! bitmasks brute force data structures dfs and similar dp math	2000	3.9k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2075D	Equalization bitmasks brute force dp graphs math	2000	6k
2071D1	Infinite Sequence (Easy Version) bitmasks brute force dp implementation math	1800	6.9k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2061E	Kevin and And bitmasks brute force dp greedy math sortings	2000	4.1k
2056F1	Xor of Median (Easy Version) bitmasks brute force combinatorics dp math	2700	455
2056F2	Xor of Median (Hard Version) bitmasks brute force combinatorics dp math	3000	362
1994G	Minecraft bitmasks brute force dp graphs math	2600	1.7k
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1975F	Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math	2600	1.1k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1957D	A BIT of an Inequality bitmasks brute force dp math	1900	6k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1900D	Small GCD bitmasks brute force dp math number theory	2000	5.6k
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1728G	Illumination binary search bitmasks brute force combinatorics dp math two pointers	2700	669
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1703G	Good Key, Bad Key bitmasks brute force dp greedy math	1600	13k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1632C	Strange Test binary search bitmasks brute force dp math	1600	14.2k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1400G	Mercenaries bitmasks brute force combinatorics dp dsu math two pointers	2600	1.2k
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
662C	Binary Table bitmasks brute force divide and conquer dp fft math	2600	2.6k
525E	Anya and Cubes binary search bitmasks brute force dp math meet-in-the-middle	2100	4.4k
510D	Fox And Jumping bitmasks brute force dp math	1900	6.5k
476B	Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities	1300	38k

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