Problemset - Codeforces

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Codeforces Round #847 (Div. 3)
09:08:18
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Problems

#	Name
1792F2	Graph Coloring (hard version) brute force, divide and conquer, dp, fft, graphs		x101
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x180
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x93
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x460
1726E	Almost Perfect combinatorics, fft, math	2400	x1138
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x445
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x49
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x129
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x69
1687F	Koishi's Unconscious Permutation fft, math	3500	x51
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x245
1667E	Centroid Probabilities combinatorics, dp, fft, math	3000	x381
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x53
1644F	Basis combinatorics, fft, math, number theory	2900	x261
1641E	Special Positions combinatorics, divide and conquer, fft, math	3300	x167
1613F	Tree Coloring combinatorics, divide and conquer, fft	2600	x512
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1177
1580F	Problems for Codeforces combinatorics, fft, math	3300	x91
1575C	Cyclic Sum data structures, fft, number theory	3000	x116
1574F	Occurrences combinatorics, dfs and similar, dp, dsu, fft, graphs	2700	x489
1559E	Mocha and Stars combinatorics, dp, fft, math, number theory	2200	x1972
1553I	Stairs combinatorics, divide and conquer, dp, fft, math	3400	x143
1548C	The Three Little Pigs combinatorics, dp, fft, math	2500	x1524
1542E2	Abnormal Permutation Pairs (hard version) combinatorics, dp, fft, math	2700	x646
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1004
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x811
1528F	AmShZ Farm combinatorics, fft, math	3300	x189
1488J	Flower Shop *special problem, data structures, fft, math	3100	x21
1487G	String Counting combinatorics, dp, fft, math	2700	x500
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x111
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x93
1473G	Tiles combinatorics, dp, fft, math	2800	x306
1450H1	Multithreading (Easy Version) combinatorics, fft, math	2900	x289
1439D	INOI Final Contests combinatorics, dp, fft	3100	x266
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x9011
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x659
1398G	Running Competition bitmasks, fft, math, number theory	2600	x637
1392I	Kevin and Grid fft, graphs, math	3300	x123
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x84
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x301
1342E	Placing Rooks combinatorics, fft, math	2300	x2322
1334G	Substring Search bitmasks, brute force, fft	2900	x320
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x180
1270I	Xor on Figures constructive algorithms, fft, math	3500	x173
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x483
1251F	Red-White Fence combinatorics, fft	2500	x700
1218E	Product Tuples divide and conquer, fft	2500	x315
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x255
1184A3	Heidi Learns Hashing (Hard) fft, math, number theory	3100	x105
1119H	Triple fft, math	3200	x374
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4133
1103E	Radix sum fft, math, number theory	3400	x187
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1145
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x143
1036E	Covered Points fft, geometry, number theory	2400	x1289
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x309
1010F	Tree fft, graphs, trees	3400	x174
993E	Nikita and Order Statistics chinese remainder theorem, fft, math	2300	x1178
986D	Perfect Encoding fft, math	3100	x286
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x214
960G	Bandit Blues combinatorics, dp, fft, math	2900	x857
958F3	Lightsabers (hard) fft	2600	x520
954I	Yet Another String Matching Problem fft, math	2200	x821
923E	Perpetual Subtraction fft, math, matrices	3100	x370
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x739
901E	Cyclic Cipher fft, math	3300	x66
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x325
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x174
827E	Rusty String fft, math, strings	2700	x696
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x148
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x641
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x424
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x270
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1661
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2026
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x457
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x452
528D	Fuzzy Search bitmasks, brute force, fft	2500	x1771
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x330
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1495
300D	Painting Square dp, fft	2300	x675
286E	Ladies' Shop constructive algorithms, fft, math	2800	x757