Problemset - Codeforces

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Codeforces Round 878 (Div. 3)
32:39:05
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Problems

#	Name
1839D	Ball Sorting data structures, dp, sortings		x879
1839B	Lamps data structures, greedy, sortings		x9007
1838D	Bracket Walk constructive algorithms, data structures, implementation, sortings, strings		x932
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x4224
1833B	Restore the Weather greedy, sortings	900	x18926
1832B	Maximum Sum brute force, sortings, two pointers	1100	x13771
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings		x907
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x13036
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1068
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x10447
1823B	Sort with Step brute force, math, sortings	900	x11925
1822B	Karina and Array greedy, math, sortings	800	x19225
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x1581
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x2601
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x7707
1810F	M-tree data structures, math, sortings, trees	2800	x406
1810C	Make It Permutation brute force, greedy, sortings	1300	x10951
1808B	Playing in a Casino math, sortings	1200	x10369
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x13961
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x14459
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x178
1806F1	GCD Master (easy version) greedy, math, number theory, sortings	2900	x221
1805F2	Survival of the Weakest (hard version) greedy, math, sortings, two pointers	3100	x218
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x534
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x1406
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x2336
1801B	Buying gifts data structures, greedy, sortings	1800	x4445
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x590
1798A	Showstopper greedy, implementation, sortings	800	x17423
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x720
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x4879
1792A	GamingForces greedy, sortings	800	x24273
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x3409
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x16444
1791E	Negatives and Positives dp, greedy, sortings	1100	x19950
1790D	Matryoshkas data structures, greedy, sortings	1200	x14128
1786B	Cake Assembly Line brute force, sortings	1300	x7261
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x7439
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x23418
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x5820
1781B	Going to the Cinema brute force, greedy, sortings	1000	x11933
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1077
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1455
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x6204
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x5987
1776C	Library game games, greedy, interactive, sortings	2500	x483
1773E	Easy Assembly greedy, sortings	1400	x3446
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1036
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x1763
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x19066
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x11598
1767B	Block Towers data structures, greedy, sortings	800	x17894
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x762
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1032
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x11648
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x68
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x14196
1760F	Quests binary search, greedy, sortings	1500	x8594
1760C	Advantage data structures, implementation, sortings	800	x28903
1760A	Medium Number implementation, sortings	800	x39298
1759E	The Humanoid brute force, dp, sortings	1500	x7767
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x78
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x3903
1744D	Divisibility by 2^n greedy, math, sortings	1200	x16186
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x7537
1742B	Increasing greedy, implementation, sortings	800	x35600
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x1827
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x11889
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x151
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x9081
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x12824
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x12319
1738A	Glory Addicts greedy, implementation, sortings	800	x12803
1736A	Make A Equal to B brute force, greedy, sortings	800	x20860
1734A	Select Three Sticks brute force, greedy, sortings	800	x19402
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x12912
1733A	Consecutive Sum greedy, sortings	800	x19631
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x13874
1730A	Planets data structures, greedy, sortings	800	x21022
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x15535
1728C	Digital Logarithm data structures, greedy, sortings	1400	x12905
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x23241
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x192
1725F	Field Photography bitmasks, data structures, sortings	2100	x797
1725B	Basketball Together binary search, greedy, sortings	1000	x9006
1722D	Line greedy, sortings	1100	x18961
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x5324
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x19386
1713B	Optimal Reduction constructive algorithms, sortings	1000	x19054
1712C	Sort Zero greedy, sortings	1100	x17558
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1159
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x4955
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x5483
1705A	Mark the Photographer greedy, sortings	800	x23400
1704C	Virus greedy, implementation, sortings	1200	x12206
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x14642
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x4980
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1457
1697B	Promo greedy, sortings	900	x22205
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x12702

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