Problemset - Codeforces

→ Pay attention

Before contest
Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
5 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1672A	Log Chopping games, implementation, math	800	x16161
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17511
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18628
1671A	String Building implementation	800	x20581
1670B	Dorms War brute force, implementation, strings	1100	x12808
1670A	Prof. Slim greedy, implementation, sortings	800	x15474
1669G	Fall Down dfs and similar, implementation	1200	x18583
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x26644
1669E	2-Letter Strings data structures, math, strings	1200	x18187
1669D	Colorful Stamp implementation	1100	x22549
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x35258
1669B	Triple implementation, sortings	800	x44186
1669A	Division? implementation	800	x65051
1668B	Social Distance greedy, math, sortings	900	x16779
1668A	Direction Change implementation, math	800	x16358
1666D	Deletive Editing greedy	900	x8921
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20866
1665A	GCD vs LCM constructive algorithms, math	800	x23757
1661A	Array Balancing greedy, math	800	x18430
1660B	Vlad and Candies math	800	x28213
1660A	Vasya and Coins greedy, math	800	x36271
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x19236
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18664
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20378
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16887
1657B	XY Sequence greedy	800	x22922
1657A	Integer Moves brute force, math	800	x24053
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x19339
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19283
1656A	Good Pairs math, sortings	800	x19725
1654B	Prefix Removals strings	800	x15659
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18703
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19699
1651A	Playoff implementation	800	x25762
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16851
1650B	DIV + MOD math	900	x27848
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34910
1649A	Game implementation	800	x15601
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x15463
1647A	Madoka and Math Dad implementation, math	800	x22840
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21263
1646A	Square Counting math	800	x24373
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20745
1644A	Doors and Keys implementation	800	x27458
1642B	Power Walking greedy	900	x17039
1642A	Hard Way geometry	800	x16245
1641A	Great Sequence brute force, greedy, sortings	1200	x17979
1638B	Odd Swap Sort data structures, math, sortings	1100	x20982
1638A	Reverse constructive algorithms, greedy, math	800	x21522
1637C	Andrew and Stones greedy, implementation	1200	x17829
1637B	MEX and Array brute force, dp, greedy, math	1100	x14876
1637A	Sorting Parts brute force, sortings	800	x22415
1635C	Differential Sorting constructive algorithms, greedy	1200	x17881
1635B	Avoid Local Maximums greedy	800	x17960
1635A	Min Or Sum bitmasks, greedy	800	x23071
1634C	OKEA constructive algorithms	1000	x18276
1634A	Reverse and Concatenate greedy, strings	800	x23958
1633C	Kill the Monster brute force, math	1100	x20143
1633B	Minority greedy	800	x27912
1633A	Div. 7 brute force	800	x33490
1632B	Roof Construction bitmasks, constructive algorithms	1000	x22716
1632A	ABC implementation	800	x29598
1631B	Fun with Even Subarrays dp, greedy	1100	x20601
1631A	Min Max Swap greedy	800	x29599
1629B	GCD Arrays greedy, math, number theory	800	x23576
1629A	Download More RAM brute force, greedy, sortings	800	x29363
1627A	Not Shading constructive algorithms, implementation	800	x24094
1626B	Minor Reduction greedy, strings	1100	x22912
1626A	Equidistant Letters constructive algorithms, sortings	800	x29073
1625B	Elementary Particles brute force, greedy, sortings	1100	x16133
1625A	Ancient Civilization bitmasks, greedy, math	800	x17299
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x25004
1624B	Make AP implementation, math	900	x37499
1624A	Plus One on the Subset math	800	x52655
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x14127
1623A	Robot Cleaner brute force, implementation, math	800	x20091
1622B	Berland Music data structures, greedy, math, sortings	1000	x21173
1622A	Construct a Rectangle geometry, math	800	x30253
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23885
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x21591
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21671
1619C	Wrong Addition implementation	1200	x21139
1619B	Squares and Cubes implementation, math	800	x31045
1619A	Square String? implementation, strings	800	x52689
1618C	Paint the Array math	1100	x23453
1618B	Missing Bigram implementation	800	x22761
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32506
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x23613
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16310
1616B	Mirror in the String greedy, strings	1100	x19757
1616A	Integer Diversity implementation	800	x22844
1615A	Closing The Gap greedy, math	800	x20837
1614B	Divan and a New Project constructive algorithms, sortings	1000	x19653
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23521
1613C	Poisoned Dagger binary search	1200	x24893
1613B	Absent Remainder greedy, implementation, sortings	1000	x21811
1613A	Long Comparison implementation, math	900	x24696
1612B	Special Permutation constructive algorithms, greedy	900	x17304
1612A	Distance brute force, constructive algorithms	800	x17708
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x18469