Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
05:08:56
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Before contest
Codeforces Round 941 (Div. 2)
05:08:56
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number theory

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Problems

#	Name
797A	k-Factorization implementation, math, number theory	1100	x13913
1826B	Lunatic Never Content math, number theory	1100	x15634
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16158
1780B	GCD Partition brute force, greedy, math, number theory	1100	x16491
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x17941
1932B	Chaya Calendar number theory	1100	x18152
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19485
1593D1	All are Same math, number theory	1100	x19538
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20216
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20411
1742D	Coprime brute force, greedy, number theory	1100	x21464
1872C	Non-coprime Split math, number theory	1100	x21846
1511B	GCD Length constructive algorithms, math, number theory	1100	x21924
483A	Counterexample brute force, implementation, math, number theory	1100	x22135
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22339
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23061
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x26787
177B1	Rectangular Game number theory	1000	x3987
299A	Ksusha and Array brute force, number theory, sortings	1000	x7718
1765M	Minimum LCM math, number theory	1000	x12525
1245A	Good ol' Numbers Coloring math, number theory	1000	x13877
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14386
1107B	Digital root math, number theory	1000	x14800
17A	Noldbach problem brute force, math, number theory	1000	x14999
1051B	Relatively Prime Pairs greedy, math, number theory	1000	x16467
1411B	Fair Numbers brute force, number theory	1000	x17716
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19151
1485A	Add and Divide brute force, greedy, math, number theory	1000	x20750
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21865
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23473
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24085
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x26231
1326A	Bad Ugly Numbers constructive algorithms, number theory	1000	x29336
1473B	String LCM brute force, math, number theory, strings	1000	x29602
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31009
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35228
577A	Multiplication Table implementation, number theory	1000	x37951
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x39722
122A	Lucky Division brute force, number theory	1000	x115609
267A	Subtractions math, number theory	900	x7120
84A	Toy Army math, number theory	900	x14537
1764B	Doremy's Perfect Math Class math, number theory	900	x15228
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x16645
1945B	Fireworks math, number theory	900	x19122
1828B	Permutation Swap math, number theory	900	x20519
1720A	Burenka Plays with Fractions math, number theory	900	x21695
1679A	AvtoBus brute force, greedy, math, number theory	900	x21739
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22351
1238A	Prime Subtraction math, number theory	900	x23223
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23587
1471A	Strange Partition greedy, math, number theory	900	x24414
199A	Hexadecimal's theorem brute force, constructive algorithms, implementation, number theory	900	x25003
1324A	Yet Another Tetris Problem implementation, number theory	900	x25247
1543A	Exciting Bets greedy, math, number theory	900	x26286
26A	Almost Prime number theory	900	x28423
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29522
313A	Ilya and Bank Account implementation, number theory	900	x53417
1475A	Odd Divisor math, number theory	900	x54857
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13238
1583A	Windblume Ode math, number theory	800	x13526
1789A	Serval and Mocha's Array brute force, math, number theory	800	x16858
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x16914
1810B	Candies constructive algorithms, math, number theory	800	x17116
664A	Complicated GCD math, number theory	800	x17370
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x17501
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18345
1762A	Divide and Conquer greedy, math, number theory	800	x18504
1717A	Madoka and Strange Thoughts math, number theory	800	x19103
1740A	Factorise N+M constructive algorithms, number theory	800	x19572
1605A	A.M. Deviation math, number theory	800	x20316
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21211
1629B	GCD Arrays greedy, math, number theory	800	x22944
1514A	Perfectly Imperfect Array math, number theory	800	x23767
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24419
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24440
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24527
1525A	Potion-making math, number theory	800	x25041
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x25282
1455A	Strange Functions math, number theory	800	x25982
1768A	Greatest Convex greedy, math, number theory	800	x27920
1859A	United We Stand constructive algorithms, math, number theory	800	x29077
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29566
1553A	Digits Sum math, number theory	800	x30063
1549A	Gregor and Cryptography math, number theory	800	x31267
822A	I'm bored with life implementation, math, number theory	800	x31612
1899A	Game with Integers games, math, number theory	800	x37311
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x38008
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x38227
1520B	Ordinary Numbers brute force, math, number theory	800	x42693
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46306
1370A	Maximum GCD greedy, implementation, math, number theory	800	x48567
472A	Design Tutorial: Learn from Math math, number theory	800	x56840
630A	Again Twenty Five! number theory	800	x61649

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