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Problemset

45 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2203B	Beautiful Numbers bitmasks dp fft greedy math	1000	16.2k
2174F	Mosaic Tree combinatorics dp fft math trees	2800	508
2169F	Subsequence Problem combinatorics dp fft math	2700	353
2145G	Cost of Coloring combinatorics divide and conquer dp fft math	2900	642
2096H	Wonderful XOR Problem bitmasks combinatorics dp fft math	3200	235
2077C	Binary Subsequence Value Sum combinatorics data structures dp fft math matrices	2300	2.4k
2025E	Card Game combinatorics dp fft greedy math	2200	2.4k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
1991H	Prime Split Game bitmasks dp fft games math number theory	3300	580
1988F	Heartbeat combinatorics dp fft math	3000	481
1967E1	Again Counting Arrays (Easy Version) combinatorics dp fft math	3100	449
1909I	Short Permutation Problem combinatorics dp fft math	1900	183
1896H1	Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory	3400	181
1896H2	Cyclic Hamming (Hard Version) brute force dp fft math number theory	3500	164
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1845F	Swimmers in the Pool dp fft math number theory	2800	475
1821F	Timber combinatorics dp fft math	2600	1k
1773G	Game of Questions bitmasks combinatorics dp fft math probabilities	2800	560
1731F	Function Sum brute force combinatorics dp fft math	2500	924
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1704H1	Game of AI (easy version) combinatorics constructive algorithms dp fft math	3200	346
1671F	Permutation Counting brute force combinatorics dp fft math	2700	514
1667E	Centroid Probabilities combinatorics dp fft math	3000	938
1654H	Three Minimums combinatorics constructive algorithms divide and conquer dp fft math	3500	108
1559E	Mocha and Stars combinatorics dp fft math number theory	2200	2.8k
1553I	Stairs combinatorics divide and conquer dp fft math	3400	369
1548C	The Three Little Pigs combinatorics dp fft math	2500	2.1k
1542E1	Abnormal Permutation Pairs (easy version) combinatorics dp fft math	2400	1.5k
1542E2	Abnormal Permutation Pairs (hard version) combinatorics dp fft math	2700	1.1k
1487G	String Counting combinatorics dp fft math	2700	745
1479E	School Clubs dp fft math number theory probabilities	3500	432
1473G	Tiles combinatorics dp fft math	2800	499
1349F1	Slime and Sequences (Easy Version) dp fft math	3100	631
1349F2	Slime and Sequences (Hard Version) dp fft math	3500	142
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
981H	K Paths combinatorics data structures dp fft math	3100	453
960G	Bandit Blues combinatorics dp fft math	2900	1.3k
914G	Sum the Fibonacci bitmasks divide and conquer dp fft math	2600	1.3k
848E	Days of Floral Colours combinatorics divide and conquer dp fft math	3400	283
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
662C	Binary Table bitmasks brute force divide and conquer dp fft math	2600	2.6k
632E	Thief in a Shop divide and conquer dp fft math	2400	3.7k
623E	Transforming Sequence combinatorics dp fft math	3300	715
553E	Kyoya and Train dp fft graphs math probabilities	3200	730

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