Problemset - Codeforces

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Codeforces Round 877 (Div. 2)
06:34:58
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Problems

#	Name
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4248
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x9279
1559E	Mocha and Stars combinatorics, dp, fft, math, number theory	2200	x2040
954I	Yet Another String Matching Problem fft, math	2200	x860
1342E	Placing Rooks combinatorics, fft, math	2300	x2481
993E	Nikita and Order Statistics chinese remainder theorem, fft, math	2300	x1211
300D	Painting Square dp, fft	2300	x687
632E	Thief in a Shop divide and conquer, dp, fft, math	2400	x2146
1036E	Covered Points fft, geometry, number theory	2400	x1314
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1234
1726E	Almost Perfect combinatorics, fft, math	2400	x1203
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1202
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1060
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x275
528D	Fuzzy Search bitmasks, brute force, fft	2500	x1828
1548C	The Three Little Pigs combinatorics, dp, fft, math	2500	x1576
1251F	Red-White Fence combinatorics, fft	2500	x727
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x550
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x475
1218E	Product Tuples divide and conquer, fft	2500	x327
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1740
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x835
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x796
1398G	Running Competition bitmasks, fft, math, number theory	2600	x666
958F3	Lightsabers (hard) fft	2600	x555
1613F	Tree Coloring combinatorics, divide and conquer, fft	2600	x538
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x504
1821F	Timber combinatorics, dp, fft, math	2600	x499
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x448
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x731
827E	Rusty String fft, math, strings	2700	x731
1542E2	Abnormal Permutation Pairs (hard version) combinatorics, dp, fft, math	2700	x695
1487G	String Counting combinatorics, dp, fft, math	2700	x519
1574F	Occurrences combinatorics, dfs and similar, dp, dsu, fft, graphs	2700	x514
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x268
286E	Ladies' Shop constructive algorithms, fft, math	2800	x784
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x352
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x345
1473G	Tiles combinatorics, dp, fft, math	2800	x328
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x318
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x214
960G	Bandit Blues combinatorics, dp, fft, math	2900	x900
1334G	Substring Search bitmasks, brute force, fft	2900	x329
1450H1	Multithreading (Easy Version) combinatorics, fft, math	2900	x306
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x298
1644F	Basis combinatorics, fft, math, number theory	2900	x286
1667E	Centroid Probabilities combinatorics, dp, fft, math	3000	x410
1575C	Cyclic Sum data structures, fft, number theory	3000	x127
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1557
923E	Perpetual Subtraction fft, math, matrices	3100	x387
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x348
986D	Perfect Encoding fft, math	3100	x295
1439D	INOI Final Contests combinatorics, dp, fft	3100	x279
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x220
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x193
1184A3	Heidi Learns Hashing (Hard) fft, math, number theory	3100	x112
1488J	Flower Shop *special problem, data structures, fft, math	3100	x23
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x728
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x467
1119H	Triple fft, math	3200	x424
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x142
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x481
1528F	AmShZ Farm combinatorics, fft, math	3300	x225
1641E	Special Positions combinatorics, divide and conquer, fft, math	3300	x176
1392I	Kevin and Grid fft, graphs, math	3300	x133
1580F	Problems for Codeforces combinatorics, fft, math	3300	x109
901E	Cyclic Cipher fft, math	3300	x72
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x290
1103E	Radix sum fft, math, number theory	3400	x199
1010F	Tree fft, graphs, trees	3400	x186
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x183
1553I	Stairs combinatorics, divide and conquer, dp, fft, math	3400	x155
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x155
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x122
1270I	Xor on Figures constructive algorithms, fft, math	3500	x188
1054H	Epic Convolution chinese remainder theorem, fft, math, number theory	3500	x150
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x119
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x99
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x92
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x79
1687F	Koishi's Unconscious Permutation fft, math	3500	x65
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x60
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x59