Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7075
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1395
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5832
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5157
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2208
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7957
1876A	Helmets in Night Light greedy, sortings	1000	x16310
1873E	Building an Aquarium binary search, sortings	1100	x24920
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6664
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x15378
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19697
1866F	Freak Joker Process binary search, data structures, sortings	3100	x130
1864F	Exotic Queries data structures, implementation, sortings	2300	x1359
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2525
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15113
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2680
1863B	Split Sort greedy, math, sortings	1100	x14920
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2769
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20270
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x268
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6800
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25770
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4271
1857E	Power of Points math, sortings	1500	x12018
1857D	Strong Vertices math, sortings, trees	1300	x18681
1857C	Assembly via Minimums greedy, sortings	1200	x24513
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4311
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x3108
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9916
1851B	Parity Sort greedy, sortings, two pointers	800	x28838
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11860
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x34662
1850B	Ten Words of Wisdom implementation, sortings	800	x41830
1850A	To My Critics implementation, sortings	800	x53687
1849B	Monsters greedy, math, sortings	1000	x24253
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x14213
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x872
1847A	The Man who became a God greedy, sortings	800	x21877
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x18528
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x393
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33719
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1273
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x480
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4278
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13399
1839D	Ball Sorting data structures, dp, sortings	2100	x2253
1839B	Lamps greedy, sortings	1100	x14837
1836A	Destroyer implementation, sortings	800	x20088
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4518
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x7081
1833B	Restore the Weather greedy, sortings	900	x25999
1832B	Maximum Sum brute force, sortings, two pointers	1100	x20838
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings	2400	x1583
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x18301
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1562
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14872
1823B	Sort with Step brute force, math, sortings	900	x15757
1822B	Karina and Array greedy, math, sortings	800	x24490
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2327
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3507
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10550
1810F	M-tree data structures, math, sortings, trees	2800	x560
1810C	Make It Permutation brute force, greedy, sortings	1300	x14228
1808B	Playing in a Casino math, sortings	1200	x15853
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x18517
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x18389
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x285
1806F1	GCD Master (easy version) greedy, math, number theory, sortings	2900	x345
1805F2	Survival of the Weakest (hard version) greedy, math, sortings, two pointers	3100	x337
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x863
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2128
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3344
1801B	Buying gifts data structures, greedy, sortings	1800	x6052
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x786
1798A	Showstopper greedy, implementation, sortings	800	x19530
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x960
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x6084
1792A	GamingForces greedy, sortings	800	x27715
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4648
1791G1	Teleporters (Easy Version) greedy, sortings	1100	x21653
1791E	Negatives and Positives dp, greedy, sortings	1100	x27033
1790D	Matryoshkas data structures, greedy, sortings	1200	x19214
1786B	Cake Assembly Line brute force, sortings	1300	x8827
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x9088
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x28759
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7382
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13404
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1417
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1726
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7726
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x8257
1776C	Library game games, greedy, interactive, sortings	2500	x772
1773E	Easy Assembly greedy, sortings	1400	x4765
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1312
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2312
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x22544
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13887
1767B	Block Towers data structures, greedy, sortings	800	x20103
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x942
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1206