Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
1787B	Number Factorization greedy, math, number theory	1100	x13392
1786B	Cake Assembly Line brute force, sortings	1300	x9046
1783B	Matrix of Differences constructive algorithms, math	1100	x17940
1780B	GCD Partition brute force, greedy, math, number theory	1100	x18487
1778B	The Forbidden Permutation greedy, math	1300	x13404
1776H	Beppa and SwerChat two pointers	1300	x6513
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x14187
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x12123
1769C2	Подкрутка II *special problem, dp	1300	x976
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x977
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x14318
1766C	Hamiltonian Wall dp, implementation	1300	x13749
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14760
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17068
1760E	Binary Inversions data structures, greedy, math	1100	x20554
1759C	Thermostat greedy, math, shortest paths	1100	x17878
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x15124
1747C	Swap Game games	1200	x21425
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12906
1744D	Divisibility by 2^n greedy, math, sortings	1200	x21700
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x19313
1742E	Scuza binary search, greedy, math	1200	x25439
1742D	Coprime brute force, greedy, number theory	1100	x24217
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x15410
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17883
1739B	Array Recovery constructive algorithms, greedy, math	1100	x22578
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x15917
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9455
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x15203
1736B	Playing with GCD math, number theory	1200	x18213
1734C	Removing Smallest Multiples greedy, math	1200	x19096
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15797
1731B	Kill Demodogs greedy, math	1100	x18650
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16629
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x21153
1729C	Jumping on Tiles constructive algorithms, strings	1100	x20186
1726C	Jatayu's Balanced Bracket Sequence data structures, dsu, graphs, greedy	1300	x12445
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x15250
1722D	Line greedy, sortings	1100	x23623
1720C	Corners greedy, implementation	1200	x16918
1717C	Madoka and Formal Statement greedy	1300	x14751
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14885
1713C	Build Permutation constructive algorithms, dp, math	1200	x17499
1712C	Sort Zero greedy, sortings	1100	x19958
1711B	Party brute force, graphs	1300	x13466
1708B	Difference of GCDs constructive algorithms, math	1100	x21060
1706B	Making Towers dp, greedy, math	1100	x16634
1704C	Virus greedy, implementation, sortings	1200	x16209
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x20506
1703E	Mirror Grid implementation	1200	x18773
1703D	Double Strings brute force, data structures, strings	1100	x25957
1702C	Train and Queries data structures, greedy	1100	x22653
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18855
1698C	3SUM Closure brute force, data structures	1300	x18627
1694B	Paranoid String constructive algorithms, greedy	1200	x19276
1693A	Directional Increase greedy	1300	x16268
1692F	3SUM brute force, math	1300	x23143
1692E	Binary Deque binary search, implementation, two pointers	1200	x22634
1692D	The Clock brute force, implementation	1100	x19617
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x17240
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x18934
1681C	Double Sort implementation, sortings	1200	x17482
1679B	Stone Age Problem data structures, implementation	1200	x18942
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x16055
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16991
1676E	Eating Queries binary search, greedy, sortings	1100	x27007
1675D	Vertical Paths graphs, implementation, trees	1300	x13210
1675C	Detective Task implementation	1100	x18342
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x16494
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15447
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x13296
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17527
1670B	Dorms War brute force, implementation, strings	1100	x12809
1669H	Maximal AND bitmasks, greedy, math	1300	x19141
1669G	Fall Down dfs and similar, implementation	1200	x18596
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x26689
1669E	2-Letter Strings data structures, math, strings	1200	x18201
1669D	Colorful Stamp implementation	1100	x22563
1667A	Make it Increasing brute force, greedy, math	1300	x14777
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x18017
1660C	Get an Even String dp, greedy, strings	1300	x19734
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x11010
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16890
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x19348
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19296
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x13113
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16855
1649B	Game of Ball Passing greedy, implementation	1300	x13128
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12673
1647B	Madoka and the Elegant Gift brute force, constructive algorithms, graphs, implementation	1200	x15469
1641A	Great Sequence brute force, greedy, sortings	1200	x17984
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14776
1638B	Odd Swap Sort data structures, math, sortings	1100	x20987
1637C	Andrew and Stones greedy, implementation	1200	x17846
1637B	MEX and Array brute force, dp, greedy, math	1100	x14878
1635C	Differential Sorting constructive algorithms, greedy	1200	x17897
1633C	Kill the Monster brute force, math	1100	x20149
1631B	Fun with Even Subarrays dp, greedy	1100	x20614
1627B	Not Sitting games, greedy, sortings	1300	x16709
1626B	Minor Reduction greedy, strings	1100	x22920