Problemset - Codeforces

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Problems

#	Name
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x35
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x36
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1170
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x311
1821F	Timber combinatorics, dp, fft, math	2600	x636
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x343
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x279
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x137
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x620
1726E	Almost Perfect combinatorics, fft, math	2400	x1282
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x501
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x67
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x159
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x90
1687F	Koishi's Unconscious Permutation fft, math	3500	x70
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x296
1667E	Centroid Probabilities combinatorics, dp, fft, math	3000	x525
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x65
1644F	Basis combinatorics, fft, math, number theory	2900	x297
1641E	Special Positions combinatorics, divide and conquer, fft, math	3300	x186
1613F	Tree Coloring combinatorics, divide and conquer, fft	2600	x596
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1318
1580F	Problems for Codeforces combinatorics, fft, math	3300	x123
1575C	Cyclic Sum data structures, fft, number theory	3000	x144
1574F	Occurrences combinatorics, dfs and similar, dp, dsu, fft, graphs	2700	x548
1559E	Mocha and Stars combinatorics, dp, fft, math, number theory	2200	x2153
1553I	Stairs combinatorics, divide and conquer, dp, fft, math	3400	x180
1548C	The Three Little Pigs combinatorics, dp, fft, math	2500	x1686
1542E2	Abnormal Permutation Pairs (hard version) combinatorics, dp, fft, math	2700	x743
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1122
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x881
1528F	AmShZ Farm combinatorics, fft, math	3300	x255
1488J	Flower Shop *special problem, data structures, fft, math	3100	x27
1487G	String Counting combinatorics, dp, fft, math	2700	x553
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x145
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x105
1473G	Tiles combinatorics, dp, fft, math	2800	x361
1450H1	Multithreading (Easy Version) combinatorics, fft, math	2900	x319
1439D	INOI Final Contests combinatorics, dp, fft	3100	x310
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x9785
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x809
1398G	Running Competition bitmasks, fft, math, number theory	2600	x706
1392I	Kevin and Grid fft, graphs, math	3300	x134
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x100
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x366
1342E	Placing Rooks combinatorics, fft, math	2300	x2652
1334G	Substring Search bitmasks, brute force, fft	2900	x342
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x207
1270I	Xor on Figures constructive algorithms, fft, math	3500	x207
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x541
1251F	Red-White Fence combinatorics, fft	2500	x762
1218E	Product Tuples divide and conquer, fft	2500	x340
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x289
1184A3	Heidi Learns Hashing (Hard) fft, math, number theory	3100	x127
1119H	Triple fft, math	3200	x455
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4413
1103E	Radix sum fft, math, number theory	3400	x207
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1276
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x156
1036E	Covered Points fft, geometry, number theory	2400	x1359
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x357
1010F	Tree fft, graphs, trees	3400	x194
993E	Nikita and Order Statistics chinese remainder theorem, fft, math	2300	x1294
986D	Perfect Encoding fft, math	3100	x311
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x254
960G	Bandit Blues combinatorics, dp, fft, math	2900	x944
958F3	Lightsabers (hard) fft	2600	x610
954I	Yet Another String Matching Problem fft, math	2200	x918
923E	Perpetual Subtraction fft, math, matrices	3100	x407
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x839
901E	Cyclic Cipher fft, math	3300	x79
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x365
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x190
827E	Rusty String fft, math, strings	2700	x763
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x169
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x774
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x465
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x317
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1851
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2353
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x513
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x504
528D	Fuzzy Search bitmasks, brute force, fft	2500	x1969
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x368
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1665
300D	Painting Square dp, fft	2300	x717
286E	Ladies' Shop constructive algorithms, fft, math	2800	x798