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	x13391
1786B	Cake Assembly Line brute force, sortings	1300	x9045
1783B	Matrix of Differences constructive algorithms, math	1100	x17925
1780B	GCD Partition brute force, greedy, math, number theory	1100	x18480
1778B	The Forbidden Permutation greedy, math	1300	x13401
1776H	Beppa and SwerChat two pointers	1300	x6510
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x14185
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	x976
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x14317
1766C	Hamiltonian Wall dp, implementation	1300	x13748
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14758
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x17067
1760E	Binary Inversions data structures, greedy, math	1100	x20548
1759C	Thermostat greedy, math, shortest paths	1100	x17874
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x15120
1747C	Swap Game games	1200	x21420
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12904
1744D	Divisibility by 2^n greedy, math, sortings	1200	x21694
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x19311
1742E	Scuza binary search, greedy, math	1200	x25429
1742D	Coprime brute force, greedy, number theory	1100	x24211
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	x17882
1739B	Array Recovery constructive algorithms, greedy, math	1100	x22578
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x15902
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	x15202
1736B	Playing with GCD math, number theory	1200	x18207
1734C	Removing Smallest Multiples greedy, math	1200	x19092
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15797
1731B	Kill Demodogs greedy, math	1100	x18645
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16626
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x21151
1729C	Jumping on Tiles constructive algorithms, strings	1100	x20183
1726C	Jatayu's Balanced Bracket Sequence data structures, dsu, graphs, greedy	1300	x12444
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x15243
1722D	Line greedy, sortings	1100	x23620
1720C	Corners greedy, implementation	1200	x16917
1717C	Madoka and Formal Statement greedy	1300	x14748
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14883
1713C	Build Permutation constructive algorithms, dp, math	1200	x17497
1712C	Sort Zero greedy, sortings	1100	x19957
1711B	Party brute force, graphs	1300	x13466
1708B	Difference of GCDs constructive algorithms, math	1100	x21056
1706B	Making Towers dp, greedy, math	1100	x16634
1704C	Virus greedy, implementation, sortings	1200	x16206
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x20503
1703E	Mirror Grid implementation	1200	x18769
1703D	Double Strings brute force, data structures, strings	1100	x25952
1702C	Train and Queries data structures, greedy	1100	x22651
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18854
1698C	3SUM Closure brute force, data structures	1300	x18625
1694B	Paranoid String constructive algorithms, greedy	1200	x19273
1693A	Directional Increase greedy	1300	x16264
1692F	3SUM brute force, math	1300	x23139
1692E	Binary Deque binary search, implementation, two pointers	1200	x22623
1692D	The Clock brute force, implementation	1100	x19616
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x17240
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x18926
1681C	Double Sort implementation, sortings	1200	x17481
1679B	Stone Age Problem data structures, implementation	1200	x18938
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x16052
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16989
1676E	Eating Queries binary search, greedy, sortings	1100	x27000
1675D	Vertical Paths graphs, implementation, trees	1300	x13208
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	x17522
1670B	Dorms War brute force, implementation, strings	1100	x12809
1669H	Maximal AND bitmasks, greedy, math	1300	x19132
1669G	Fall Down dfs and similar, implementation	1200	x18589
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x26675
1669E	2-Letter Strings data structures, math, strings	1200	x18197
1669D	Colorful Stamp implementation	1100	x22556
1667A	Make it Increasing brute force, greedy, math	1300	x14775
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x18015
1660C	Get an Even String dp, greedy, strings	1300	x19734
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x11008
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16888
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x19345
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19293
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x13110
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16853
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	x20984
1637C	Andrew and Stones greedy, implementation	1200	x17845
1637B	MEX and Array brute force, dp, greedy, math	1100	x14878
1635C	Differential Sorting constructive algorithms, greedy	1200	x17894
1633C	Kill the Monster brute force, math	1100	x20149
1631B	Fun with Even Subarrays dp, greedy	1100	x20610
1627B	Not Sitting games, greedy, sortings	1300	x16708
1626B	Minor Reduction greedy, strings	1100	x22919