Problemset - Codeforces

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Refact.ai Match 1 (Codeforces Round 985)
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Problems

#	Name
1872A	Two Vessels brute force, greedy, math	800	x39360
1870A	MEXanized Array constructive algorithms, greedy, math	800	x19088
1869A	Make It Zero constructive algorithms	900	x22170
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x20009
1866A	Ambitious Kid math	800	x22949
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20367
1863A	Channel greedy, implementation	800	x17957
1862B	Sequence Game constructive algorithms	800	x32787
1862A	Gift Carpet dp, greedy, implementation, strings	800	x32631
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x21523
1861A	Prime Deletion constructive algorithms, math	800	x23970
1860A	Not a Substring constructive algorithms, strings	900	x21797
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x27707
1859A	United We Stand constructive algorithms, math, number theory	800	x33234
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x23199
1858A	Buttons games, greedy, math	800	x39454
1857A	Array Coloring greedy, math	800	x49241
1856B	Good Arrays implementation, math	900	x24497
1856A	Tales of a Sort implementation	800	x26657
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x27267
1855A	Dalton the Teacher greedy, math	800	x28049
1853A	Desorting brute force, greedy, math	800	x32585
1851C	Tiles Comeback greedy	1000	x23502
1851B	Parity Sort greedy, sortings, two pointers	800	x29459
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29618
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x37706
1850C	Word on the Paper implementation, strings	800	x44645
1850B	Ten Words of Wisdom implementation, sortings	800	x43197
1850A	To My Critics implementation, sortings	800	x57121
1849B	Monsters greedy, math, sortings	1000	x26382
1849A	Morning Sandwich implementation, math	800	x28390
1848A	Vika and Her Friends games, math	900	x16910
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x20105
1847A	The Man who became a God greedy, sortings	800	x22038
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x26961
1846A	Rudolph and Cut the Rope implementation, math	800	x32587
1845B	Come Together geometry, implementation, math	900	x21712
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x28097
1844B	Permutations & Primes constructive algorithms, math	1000	x18305
1844A	Subtraction Game constructive algorithms, games	800	x24616
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x33542
1843B	Long Long greedy, math, two pointers	800	x29124
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x34396
1842A	Tenzing and Tsondu games, math	800	x19822
1841B	Keep it Beautiful implementation	1000	x21603
1841A	Game with Board constructive algorithms, games	800	x24750
1840C	Ski Resort combinatorics, math, two pointers	1000	x28270
1840A	Cipher Shifer implementation, strings, two pointers	800	x34247
1839A	The Good Array greedy, implementation, math	800	x17517
1838A	Blackboard List constructive algorithms, math	800	x21592
1837C	Best Binary String constructive algorithms, greedy	1000	x22172
1837B	Comparison String greedy	900	x30402
1837A	Grasshopper on a Line constructive algorithms, math	800	x33157
1836A	Destroyer implementation, sortings	800	x20377
1834B	Maximum Strength greedy, math	1000	x15354
1834A	Unit Array greedy, math	800	x25031
1833C	Vlad Building Beautiful Array greedy, math	800	x26192
1833B	Restore the Weather greedy, sortings	900	x26720
1833A	Musical Puzzle implementation, strings	800	x32746
1832A	New Palindrome strings	800	x25860
1831B	Array merging constructive algorithms, greedy	1000	x21264
1831A	Twin Permutations constructive algorithms	800	x27438
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x26727
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x28732
1829B	Blank Space implementation	800	x47004
1829A	Love Story implementation, strings	800	x51833
1828B	Permutation Swap math, number theory	900	x23554
1828A	Divisible Array constructive algorithms, math	800	x23737
1825B	LuoTianyi and the Table greedy, math	1000	x14746
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19708
1823B	Sort with Step brute force, math, sortings	900	x16103
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x16192
1822C	Bun Lover math	800	x23103
1822B	Karina and Array greedy, math, sortings	800	x24855
1822A	TubeTube Feed brute force, implementation	800	x24357
1821A	Matching combinatorics, math	800	x19923
1820A	Yura's New Name implementation, strings	800	x16750
1818B	Indivisible constructive algorithms	900	x15088
1818A	Politics greedy, implementation	800	x13001
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x15345
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17646
1814A	Coins implementation, math	800	x29575
1811B	Conveyor Belts implementation, math	1000	x20470
1811A	Insert Digit greedy, math, strings	800	x31255
1810B	Candies constructive algorithms, math, number theory	800	x17598
1810A	Beautiful Sequence brute force, greedy	800	x20780
1809B	Points on Plane binary search, greedy, math	1000	x20031
1809A	Garland implementation	800	x23980
1808A	Lucky Numbers brute force, implementation	900	x18364
1807D	Odd Queries data structures, implementation	900	x33700
1807C	Find and Replace greedy, implementation, strings	800	x30640
1807B	Grab the Candies greedy	800	x42377
1807A	Plus or Minus implementation	800	x63085
1806B	Mex Master constructive algorithms, greedy	900	x17866
1806A	Walking Master geometry, greedy, math	800	x25408
1805B	The String Has a Target greedy, strings	800	x18660
1805A	We Need the Zero bitmasks, brute force	800	x24049
1804B	Vaccination greedy, implementation	1000	x14312
1804A	Lame King greedy, math	800	x17993
1802B	Settlement of Guinea Pigs greedy, implementation, math	1000	x13387