Problemset - Codeforces

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Codeforces Round 944 (Div. 4)
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Problems

#	Name
1850A	To My Critics implementation, sortings	800	x51122
1849B	Monsters greedy, math, sortings	1000	x22692
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13363
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x854
1847A	The Man who became a God greedy, sortings	800	x21671
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17940
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x368
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32974
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1244
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x471
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4131
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x12848
1839D	Ball Sorting data structures, dp, sortings	2100	x2176
1839B	Lamps greedy, sortings	1100	x14483
1836A	Destroyer implementation, sortings	800	x19787
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4353
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6695
1833B	Restore the Weather greedy, sortings	900	x25394
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19629
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings	2400	x1528
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17468
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1500
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14499
1823B	Sort with Step brute force, math, sortings	900	x15315
1822B	Karina and Array greedy, math, sortings	800	x24075
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2245
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3431
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10180
1810F	M-tree data structures, math, sortings, trees	2800	x540
1810C	Make It Permutation brute force, greedy, sortings	1300	x13781
1808B	Playing in a Casino math, sortings	1200	x14658
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17693
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x17847
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x267
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	x327
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x816
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2039
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3223
1801B	Buying gifts data structures, greedy, sortings	1800	x5801
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x767
1798A	Showstopper greedy, implementation, sortings	800	x19330
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x930
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5880
1792A	GamingForces greedy, sortings	800	x27127
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4472
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x20508
1791E	Negatives and Positives dp, greedy, sortings	1100	x25605
1790D	Matryoshkas data structures, greedy, sortings	1200	x18172
1786B	Cake Assembly Line brute force, sortings	1300	x8617
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x8813
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x27255
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7047
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13222
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1372
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1688
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7497
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x7813
1776C	Library game games, greedy, interactive, sortings	2500	x756
1773E	Easy Assembly greedy, sortings	1400	x4650
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1269
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2231
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x22040
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13552
1767B	Block Towers data structures, greedy, sortings	800	x19567
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x912
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1179
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x13898
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x99
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16190
1760F	Quests binary search, greedy, sortings	1500	x11305
1760C	Advantage data structures, implementation, sortings	800	x35041
1760A	Medium Number implementation, sortings	800	x53838
1759E	The Humanoid brute force, dp, sortings	1500	x9959
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	x4425
1744D	Divisibility by 2^n greedy, math, sortings	1200	x20277
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9855
1742B	Increasing greedy, implementation, sortings	800	x44469
1741F	Multi-Colored Segments binary search, data structures, math, sortings	2000	x2228
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14476
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x178
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10573
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13540
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x14773
1738A	Glory Addicts greedy, implementation, sortings	800	x13331
1736A	Make A Equal to B brute force, greedy, sortings	800	x22434
1734A	Select Three Sticks brute force, greedy, sortings	800	x20742
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15101
1733A	Consecutive Sum greedy, sortings	800	x20660
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16054
1730A	Planets data structures, greedy, sortings	800	x22524
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18840
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15163
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24364
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x282
1725F	Field Photography bitmasks, data structures, sortings	2100	x938
1725B	Basketball Together binary search, greedy, sortings	1000	x11696
1722D	Line greedy, sortings	1100	x22262
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6297