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Problemset

17 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2180E	No Effect XOR bitmasks divide and conquer dp greedy math	2300	1.8k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2146D1	Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees	1500	11.2k
2146D2	Max Sum OR (Hard Version) bitmasks constructive algorithms divide and conquer greedy	2000	4.3k
2074F	Counting Necessary Nodes bitmasks divide and conquer greedy implementation math	2000	2.5k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1922E	Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math	1800	9.3k
1903D2	Maximum And Queries (hard version) bitmasks divide and conquer dp greedy	2500	1.1k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1721D	Maximum AND bitmasks dfs and similar divide and conquer greedy sortings	1800	7.8k
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	979
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k

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