Problemset - Codeforces

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Codeforces Round 962 (Div. 3)
25:34:01
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number theory

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Problems

#	Name
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14283
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x723
1622F	Quadratic Set constructive algorithms, hashing, math, number theory	2900	x609
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x851
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22903
1614D2	Divan and Kostomuksha (hard version) dp, number theory	2300	x2259
1614D1	Divan and Kostomuksha (easy version) dp, number theory	2100	x3779
1612D	X-Magic Pair math, number theory	1600	x8992
1610D	Not Quite Lee combinatorics, dp, math, number theory	2000	x2657
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9627
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x16913
1608D	Dominoes combinatorics, fft, graphs, math, number theory	2400	x1367
1606C	Banknotes greedy, number theory	1400	x13975
1605E	Array Equalizer binary search, greedy, implementation, math, number theory, sortings, two pointers	2400	x1016
1605A	A.M. Deviation math, number theory	800	x20496
1603D	Artistic Partition divide and conquer, dp, number theory	3000	x649
1603C	Extreme Extension dp, greedy, math, number theory	2300	x2008
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13301
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16405
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14000
1593D2	Half of Same brute force, math, number theory	1900	x4890
1593D1	All are Same math, number theory	1100	x19870
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x2197
1583A	Windblume Ode math, number theory	800	x13665
1582G	Kuzya and Homework data structures, number theory	2600	x574
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13347
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4683
1575G	GCD Festival math, number theory	2200	x664
1575C	Cyclic Sum data structures, fft, number theory	3000	x159
1566H	Xor-quiz constructive algorithms, dp, interactive, math, number theory	3200	x129
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x388
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19383
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5534
1559E	Mocha and Stars combinatorics, dp, fft, math, number theory	2200	x2262
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4715
1554E	You dfs and similar, dp, math, number theory	2600	x1201
1553G	Common Divisor Graph brute force, constructive algorithms, dsu, graphs, hashing, math, number theory	2700	x992
1553A	Digits Sum math, number theory	800	x30632
1552H	Guess the Perimeter binary search, interactive, number theory	3300	x385
1549A	Gregor and Cryptography math, number theory	800	x31983
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x240
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1440
1548B	Integers Have Friends binary search, data structures, divide and conquer, math, number theory, two pointers	1800	x9570
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x5692
1543A	Exciting Bets greedy, math, number theory	900	x27311
1542C	Strange Function math, number theory	1600	x13917
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22645
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x27471
1538F	Interesting Function binary search, dp, math, number theory	1500	x18873
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13356
1537D	Deleting Divisors games, math, number theory	1700	x12151
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13864
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x30070
1526B	I Hate 1111 dp, math, number theory	1400	x29722
1525A	Potion-making math, number theory	800	x25232
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x21071
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x36277
1520B	Ordinary Numbers brute force, math, number theory	800	x43711
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x16467
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4212
1515G	Phoenix and Odometers dfs and similar, graphs, math, number theory	2700	x986
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24566
1514C	Product 1 Modulo N greedy, number theory	1600	x14727
1514A	Perfectly Imperfect Array math, number theory	800	x23947
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x5206
1512G	Short Task brute force, dp, math, number theory	1700	x7998
1511B	GCD Length constructive algorithms, math, number theory	1100	x22542
1510D	Digits dp, math, number theory	2100	x1853
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x756
1505B	DMCA *special problem, implementation, number theory	1600	x6061
1500B	Two chandeliers binary search, brute force, chinese remainder theorem, math, number theory	2200	x2023
1499D	The Number of Pairs dp, math, number theory	2100	x5634
1497E2	Square-Free Division (hard version) data structures, dp, greedy, math, number theory, two pointers	2500	x1595
1497E1	Square-Free Division (easy version) data structures, dp, greedy, math, number theory, two pointers	1700	x8160
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1509
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x384
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4838
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x2077
1488G	Painting Numbers *special problem, data structures, greedy, number theory	2500	x122
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x17430
1487B	Cat Cycle math, number theory	1200	x20353
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x5005
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9723
1485A	Add and Divide brute force, greedy, math, number theory	1000	x21629
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x201
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5780
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6607
1475A	Odd Divisor math, number theory	900	x57944
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x27559
1473B	String LCM brute force, math, number theory, strings	1000	x30689
1471A	Strange Partition greedy, math, number theory	900	x25362
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6248
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9314
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x318
1468F	Full Turn geometry, hashing, number theory	1700	x3670
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16538
1458A	Row GCD math, number theory	1600	x17035
1455A	Strange Functions math, number theory	800	x26276
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x20070
1444A	Division brute force, math, number theory	1500	x12844