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Problemset

53 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2234D	XOR, Expression and Two Binary Numbers bitmasks divide and conquer dp math number theory	1500	8.6k
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
2070F	Friends and Pizza bitmasks divide and conquer dp fft	3000	379
2053C	Bewitching Stargazer bitmasks divide and conquer dp math	1500	12.6k
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
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
1879D	Sum of XOR Functions bitmasks combinatorics divide and conquer dp math	1700	11.1k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1848F	Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math	2400	2.1k
1777F	Comfortably Numb bitmasks data structures divide and conquer strings trees	2400	1.5k
1734F	Zeros and Ones bitmasks divide and conquer dp math	2500	1k
1721D	Maximum AND bitmasks dfs and similar divide and conquer greedy sortings	1800	7.8k
1716E	Swap and Maximum Block bitmasks data structures dfs and similar divide and conquer dp	2500	1.4k
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
1616H	Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math	3000	1.4k
1583F	Defender of Childhood Dreams bitmasks constructive algorithms divide and conquer	2500	1.6k
1553H	XOR and Distance bitmasks divide and conquer trees	2900	909
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1446C	Xor Tree binary search bitmasks data structures divide and conquer dp trees	2100	4.2k
1438E	Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers	2500	1.5k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1386C	Joker *special bitmasks data structures divide and conquer dsu	2800	698
1385D	a-Good String bitmasks brute force divide and conquer dp implementation	1500	22.3k
1364E	X-OR bitmasks constructive algorithms divide and conquer interactive probabilities	2700	1.7k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1261F	Xor-Set bitmasks divide and conquer math	3100	515
1146E	Hot is Cold bitmasks data structures divide and conquer implementation	2400	1.1k
1114F	Please, another Queries on Array? bitmasks data structures divide and conquer math number theory	2400	2.6k
1004F	Sonya and Bitwise OR bitmasks data structures divide and conquer	2600	985
981E	Addition on Segments bitmasks data structures divide and conquer dp	2200	2.6k
914E	Palindromes in a Tree bitmasks data structures divide and conquer trees	2400	2k
914G	Sum the Fibonacci bitmasks divide and conquer dp fft math	2600	1.3k
888E	Maximum Subsequence bitmasks divide and conquer meet-in-the-middle	1800	9.6k
875D	High Cry binary search bitmasks combinatorics data structures divide and conquer	2200	2.6k
865F	Egg Roulette bitmasks brute force divide and conquer math meet-in-the-middle	3300	81
850E	Random Elections bitmasks brute force divide and conquer fft math	2800	570
744B	Hongcow's Game bitmasks divide and conquer interactive	1900	2k
685E	Travelling Through the Snow Queen's Kingdom bitmasks brute force divide and conquer graphs	2800	659
662C	Binary Table bitmasks brute force divide and conquer dp fft math	2600	2.6k
513B2	Permutations bitmasks divide and conquer math	1800	2.9k
232E	Quick Tortoise bitmasks divide and conquer dp	3000	1k

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