11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

87 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2223F	Zhily and Colorful Strings divide and conquer fft math	3400	109
2203B	Beautiful Numbers bitmasks dp fft greedy math	1000	16.2k
2201E	ABBA Counting fft math number theory strings	2900	300
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
2122G	Tree Parking combinatorics fft math trees	3300	1.4k
2096H	Wonderful XOR Problem bitmasks combinatorics dp fft math	3200	235
2095H	Blurry Vision *special fft math	unrated	851
2077C	Binary Subsequence Value Sum combinatorics data structures dp fft math matrices	2300	2.4k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2048I2	Kevin and Puzzle (Hard Version) bitmasks fft math	3500	68
2038F	Alternative Platforms combinatorics data structures fft math sortings	2500	492
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	482
1975G	Zimpha Fan Club fft greedy math strings	3000	349
1967E1	Again Counting Arrays (Easy Version) combinatorics dp fft math	3100	449
1936E	Yet Yet Another Permutation Problem divide and conquer fft math	3400	155
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
1770G	Koxia and Bracket divide and conquer fft math	3400	196
1731F	Function Sum brute force combinatorics dp fft math	2500	924
1726E	Almost Perfect combinatorics fft math	2400	1.8k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1704G	Mio and Lucky Array constructive algorithms fft math strings	3500	168
1704H1	Game of AI (easy version) combinatorics constructive algorithms dp fft math	3200	346
1704H2	Game of AI (hard version) combinatorics fft math	3500	119
1687F	Koishi's Unconscious Permutation fft math	3500	113
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	109
1644F	Basis combinatorics fft math number theory	2900	511
1641E	Special Positions combinatorics divide and conquer fft math	3300	365
1608D	Dominoes combinatorics fft graphs math number theory	2400	1.6k
1580F	Problems for Codeforces combinatorics fft math	3300	226
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
1536F	Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures	2600	1.2k
1528F	AmShZ Farm combinatorics fft math	3300	544
1488J	Flower Shop *special data structures fft math	3100	43
1487G	String Counting combinatorics dp fft math	2700	747
1479E	School Clubs dp fft math number theory probabilities	3500	469
1477F	Nezzar and Chocolate Bars combinatorics fft math probabilities	3500	369
1473G	Tiles combinatorics dp fft math	2800	499
1450H1	Multithreading (Easy Version) combinatorics fft math	2900	625
1398G	Running Competition bitmasks fft math number theory	2600	1.3k
1392I	Kevin and Grid fft graphs math	3300	320
1349F1	Slime and Sequences (Easy Version) dp fft math	3100	631
1349F2	Slime and Sequences (Hard Version) dp fft math	3500	142
1342E	Placing Rooks combinatorics fft math	2300	3.7k
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1270I	Xor on Figures constructive algorithms fft math	3500	391
1257G	Divisor Set divide and conquer fft greedy math number theory	2600	798
1184A3	Heidi Learns Hashing (Hard) fft math number theory	3100	171
1119H	Triple fft math	3200	952
1103E	Radix sum fft math number theory	3400	387
1054H	Epic Convolution chinese remainder theorem fft math number theory	3500	319
1033F	Boolean Computer bitmasks brute force fft math	2800	500
993E	Nikita and Order Statistics chinese remainder theorem fft math	2300	1.9k
986D	Perfect Encoding fft math	3100	376
981H	K Paths combinatorics data structures dp fft math	3100	453
960G	Bandit Blues combinatorics dp fft math	2900	1.3k
954I	Yet Another String Matching Problem fft math	2200	1.4k
923E	Perpetual Subtraction fft math matrices	3100	627
914G	Sum the Fibonacci bitmasks divide and conquer dp fft math	2600	1.3k
901E	Cyclic Cipher fft math	3300	106
850E	Random Elections bitmasks brute force divide and conquer fft math	2800	570
848E	Days of Floral Colours combinatorics divide and conquer dp fft math	3400	283
827E	Rusty String fft math strings	2700	1.3k
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
715E	Complete the Permutations combinatorics fft graphs math	3400	589
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
286E	Ladies' Shop constructive algorithms fft math	2800	1.1k

showing 1–87 of 87