Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
05:34:36
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Before contest
Codeforces Round 941 (Div. 2)
05:34:36
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Problems

#	Name
1847A	The Man who became a God greedy, sortings	800	x21628
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17880
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x367
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32865
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1239
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x469
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4115
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x12705
1839D	Ball Sorting data structures, dp, sortings	2100	x2166
1839B	Lamps greedy, sortings	1100	x14446
1836A	Destroyer implementation, sortings	800	x19752
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4335
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6621
1833B	Restore the Weather greedy, sortings	900	x25303
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19505
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings	2400	x1514
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17385
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1493
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14465
1823B	Sort with Step brute force, math, sortings	900	x15279
1822B	Karina and Array greedy, math, sortings	800	x24023
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2230
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3414
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10134
1810F	M-tree data structures, math, sortings, trees	2800	x533
1810C	Make It Permutation brute force, greedy, sortings	1300	x13746
1808B	Playing in a Casino math, sortings	1200	x14555
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17599
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17779
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x265
1806F1	GCD Master (easy version) greedy, math, number theory, sortings	2900	x328
1805F2	Survival of the Weakest (hard version) greedy, math, sortings, two pointers	3100	x319
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x807
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2033
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3199
1801B	Buying gifts data structures, greedy, sortings	1800	x5774
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x766
1798A	Showstopper greedy, implementation, sortings	800	x19313
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x923
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5859
1792A	GamingForces greedy, sortings	800	x27091
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4449
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20380
1791E	Negatives and Positives dp, greedy, sortings	1100	x25418
1790D	Matryoshkas data structures, greedy, sortings	1200	x18066
1786B	Cake Assembly Line brute force, sortings	1300	x8587
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8762
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x27101
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7017
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13201
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1368
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1684
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7460
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7674
1776C	Library game games, greedy, interactive, sortings	2500	x754
1773E	Easy Assembly greedy, sortings	1400	x4634
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1261
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2218
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x21987
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13523
1767B	Block Towers data structures, greedy, sortings	800	x19552
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x876
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1176
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x13859
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x97
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16158
1760F	Quests binary search, greedy, sortings	1500	x11242
1760C	Advantage data structures, implementation, sortings	800	x34823
1760A	Medium Number implementation, sortings	800	x53223
1759E	The Humanoid brute force, dp, sortings	1500	x9889
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x88
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4413
1744D	Divisibility by 2^n greedy, math, sortings	1200	x20169
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9769
1742B	Increasing greedy, implementation, sortings	800	x44108
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x2212
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14406
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x177
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10535
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13531
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x14717
1738A	Glory Addicts greedy, implementation, sortings	800	x13319
1736A	Make A Equal to B brute force, greedy, sortings	800	x22399
1734A	Select Three Sticks brute force, greedy, sortings	800	x20705
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15061
1733A	Consecutive Sum greedy, sortings	800	x20644
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16022
1730A	Planets data structures, greedy, sortings	800	x22487
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18744
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15038
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24327
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x282
1725F	Field Photography bitmasks, data structures, sortings	2100	x937
1725B	Basketball Together binary search, greedy, sortings	1000	x11584
1722D	Line greedy, sortings	1100	x22158
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6276
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20733
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20706
1712C	Sort Zero greedy, sortings	1100	x19186
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1381