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Problemset

26 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2234D	XOR, Expression and Two Binary Numbers bitmasks divide and conquer dp math number theory	1500	8.6k
2200H	Six Seven divide and conquer math number theory strings trees	2600	528
2169D2	Removal of a Sequence (Hard Version) binary search divide and conquer greedy implementation math number theory	2100	2.4k
2145F	Long Journey dfs and similar divide and conquer dp graphs greedy math matrices number theory	2500	1.1k
2072G	I've Been Flipping Numbers for 300 Years and Calculated the Sum binary search brute force combinatorics divide and conquer math number theory	2200	2.2k
2050F	Maximum modulo equality data structures divide and conquer math number theory	1700	11.3k
2036G	Library of Magic binary search constructive algorithms divide and conquer interactive math number theory	2200	1.7k
2006C	Eri and Expanded Sets data structures divide and conquer math number theory two pointers	2300	2.1k
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
1916G	Optimizations From Chelsu divide and conquer dp number theory trees	3500	239
1896H1	Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory	3400	181
1794D	Counting Factorizations combinatorics divide and conquer dp math number theory	1900	4.6k
1740I	Arranging Crystal Balls data structures divide and conquer dp geometry graphs number theory	3500	182
1730E	Maximums and Minimums combinatorics data structures divide and conquer number theory	2700	815
1603D	Artistic Partition divide and conquer dp number theory	3000	959
1548B	Integers Have Friends binary search data structures divide and conquer math number theory two pointers	1800	11.6k
1547F	Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers	1900	7.2k
1491E	Fib-tree brute force dfs and similar divide and conquer number theory trees	2400	2.4k
1257G	Divisor Set divide and conquer fft greedy math number theory	2600	798
1114F	Please, another Queries on Array? bitmasks data structures divide and conquer math number theory	2400	2.6k
995E	Number Clicker divide and conquer graphs meet-in-the-middle number theory	2700	977
990G	GCD Counting divide and conquer dp dsu number theory trees	2400	2.4k
809E	Surprise me! divide and conquer math number theory trees	3100	992
773F	Test Data Generation combinatorics divide and conquer dp fft math number theory	3400	281
755G	PolandBall and Many Other Balls combinatorics divide and conquer dp fft math number theory	3200	1.1k
438E	The Child and Binary Tree combinatorics divide and conquer fft number theory	3100	2.3k

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