Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
14:46:24
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
14:46:24
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

math

Add tag

Problems

#	Name
1735A	Working Week constructive algorithms, greedy, math	800	x19868
1520E	Arranging The Sheep greedy, math	1400	x19866
1204A	BowWow and the Timetable math	1000	x19861
835A	Key races math	800	x19847
1681B	Card Trick implementation, math	800	x19803
1726A	Mainak and Array greedy, math	900	x19743
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19728
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19689
1811B	Conveyor Belts implementation, math	1000	x19683
1257B	Magic Stick math	1000	x19625
1633C	Kill the Monster brute force, math	1100	x19588
1895B	Points and Minimum Distance greedy, math, sortings	800	x19583
1487B	Cat Cycle math, number theory	1200	x19580
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x19574
1199B	Water Lily geometry, math	1000	x19564
1366B	Shuffle math, two pointers	1300	x19548
1593D1	All are Same math, number theory	1100	x19538
1118A	Water Buying math	800	x19536
1203C	Common Divisors implementation, math	1300	x19525
515A	Drazil and Date math	1000	x19516
1047A	Little C Loves 3 I math	800	x19515
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x19507
1440A	Buy the String implementation, math	800	x19486
1476B	Inflation binary search, brute force, greedy, math	1300	x19441
1708B	Difference of GCDs constructive algorithms, math	1100	x19425
1842A	Tenzing and Tsondu games, math	800	x19419
1794B	Not Dividing constructive algorithms, greedy, math	900	x19343
1821A	Matching combinatorics, math	800	x19316
519C	A and B and Team Training greedy, implementation, math, number theory	1300	x19315
1656A	Good Pairs math, sortings	800	x19225
1733B	Rule of League constructive algorithms, math	900	x19221
1455C	Ping-pong constructive algorithms, games, math	1100	x19205
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19189
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19150
1920B	Summation Game games, greedy, math, sortings	1100	x19119
1760E	Binary Inversions data structures, greedy, math	1100	x19113
1945B	Fireworks math, number theory	900	x19105
1717A	Madoka and Strange Thoughts math, number theory	800	x19103
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x19095
1471B	Strange List brute force, greedy, implementation, math	1100	x19094
1332A	Exercising Walk greedy, implementation, math	1100	x19084
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19007
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19006
1291A	Even But Not Even greedy, math, strings	900	x19002
1371B	Magical Calendar math	1200	x18991
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x18991
1809B	Points on Plane binary search, greedy, math	1000	x18980
327B	Hungry Sequence math	1200	x18955
1195B	Sport Mafia binary search, brute force, math	1000	x18920
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18853
1244A	Pens and Pencils math	800	x18798
1594B	Special Numbers bitmasks, math	1100	x18776
1582B	Luntik and Subsequences combinatorics, math	900	x18720
1608A	Find Array constructive algorithms, math	800	x18681
1787A	Exponential Equation constructive algorithms, math	800	x18673
1409D	Decrease the Sum of Digits greedy, math	1500	x18640
1237A	Balanced Rating Changes implementation, math	1000	x18519
1762A	Divide and Conquer greedy, math, number theory	800	x18504
1877A	Goals of Victory math	800	x18471
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18461
1497B	M-arrays constructive algorithms, greedy, math	1200	x18458
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18440
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18440
1096A	Find Divisible greedy, implementation, math	800	x18362
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18345
1392B	Omkar and Infinity Clock implementation, math	800	x18335
1719B	Mathematical Circus constructive algorithms, math	800	x18280
1538F	Interesting Function binary search, dp, math, number theory	1500	x18280
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18252
1582A	Luntik and Concerts math	800	x18249
1915E	Romantic Glasses data structures, greedy, math	1300	x18238
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18236
1618D	Array and Operations dp, greedy, math	1300	x18235
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18223
1606B	Update Files greedy, implementation, math	1100	x18200
1661A	Array Balancing greedy, math	800	x18183
92A	Chips implementation, math	800	x18176
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18090
239A	Two Bags of Potatoes greedy, implementation, math	1200	x18085
1492B	Card Deck data structures, greedy, math	1100	x18082
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18071
1417A	Copy-paste greedy, math	800	x18037
1375A	Sign Flipping constructive algorithms, math	1100	x18029
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18020
1433E	Two Round Dances combinatorics, math	1300	x17992
1183B	Equalize Prices math	900	x17960
1213C	Book Reading math	1200	x17935
1373C	Pluses and Minuses math	1300	x17903
1556A	A Variety of Operations math	800	x17900
762A	k-th divisor math, number theory	1400	x17879
1288A	Deadline binary search, brute force, math, ternary search	1100	x17864
1594C	Make Them Equal brute force, greedy, math, strings	1200	x17831
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17815
353A	Domino implementation, math	1200	x17787
1080A	Petya and Origami math	800	x17749
1866A	Ambitious Kid math	800	x17723
1793A	Yet Another Promotion greedy, math	800	x17695
1735B	Tea with Tangerines greedy, math	900	x17682
1804A	Lame King greedy, math	800	x17653
1201B	Zero Array greedy, math	1500	x17627