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Problemset

38 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2234E	Vlad, Misha and Two Arrays brute force combinatorics dfs and similar divide and conquer math	2100	1.9k
2211F	Learning Binary Search combinatorics divide and conquer dp math	2400	1k
2145G	Cost of Coloring combinatorics divide and conquer dp fft math	2900	642
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
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
2065H	Bro Thinks He's Him combinatorics data structures divide and conquer dp math matrices	2200	2k
2056D	Unique Median binary search brute force combinatorics data structures divide and conquer dp	2200	3.7k
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1975F	Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math	2600	1.1k
1912B	Blueprint for Seating combinatorics divide and conquer math	2100	1.5k
1879D	Sum of XOR Functions bitmasks combinatorics divide and conquer dp math	1700	11.1k
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1848F	Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math	2400	2.1k
1808E1	Minibuses on Venus (easy version) combinatorics divide and conquer dp	2200	1.6k
1808E2	Minibuses on Venus (medium version) combinatorics divide and conquer dp matrices	2500	892
1794D	Counting Factorizations combinatorics divide and conquer dp math number theory	1900	4.6k
1792F2	Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs	2900	558
1730E	Maximums and Minimums combinatorics data structures divide and conquer number theory	2700	815
1671E	Preorder combinatorics divide and conquer dp dsu hashing sortings trees	2100	3.3k
1654H	Three Minimums combinatorics constructive algorithms divide and conquer dp fft math	3500	108
1641E	Special Positions combinatorics divide and conquer fft math	3300	365
1616H	Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math	3000	1.4k
1613F	Tree Coloring combinatorics divide and conquer fft	2600	906
1553I	Stairs combinatorics divide and conquer dp fft math	3400	369
1466G	Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings	2600	1.1k
1140E	Palindrome-less Arrays combinatorics divide and conquer dp	2200	2.1k
997D	Cycles in product combinatorics divide and conquer trees	2900	855
960E	Alternating Tree combinatorics dfs and similar divide and conquer dp probabilities trees	2300	2.4k
875D	High Cry binary search bitmasks combinatorics data structures divide and conquer	2200	2.6k
848E	Days of Floral Colours combinatorics divide and conquer dp fft math	3400	283
809C	Find a car combinatorics divide and conquer dp	2600	954
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
414C	Mashmokh and Reverse Operation combinatorics divide and conquer	2100	2.4k
383E	Vowels combinatorics divide and conquer dp	2700	4.6k
9D	How many trees? combinatorics divide and conquer dp	1900	4.6k

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