Problemset - Codeforces

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Codeforces Round (Div. 2)
2 days
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Problems

#	Name
1873C	Target Practice implementation, math	800	x37856
1873B	Good Kid brute force, greedy, math	800	x46614
1873A	Short Sort brute force, implementation	800	x51479
1872A	Two Vessels brute force, greedy, math	800	x38298
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18822
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19672
1866A	Ambitious Kid math	800	x19853
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20069
1863A	Channel greedy, implementation	800	x17711
1862B	Sequence Game constructive algorithms	800	x30351
1862A	Gift Carpet dp, greedy, implementation, strings	800	x31701
1861A	Prime Deletion constructive algorithms, math	800	x23569
1859A	United We Stand constructive algorithms, math, number theory	800	x30752
1858A	Buttons games, greedy, math	800	x36242
1857A	Array Coloring greedy, math	800	x45674
1856A	Tales of a Sort implementation	800	x26155
1855A	Dalton the Teacher greedy, math	800	x27610
1853A	Desorting brute force, greedy, math	800	x29985
1851B	Parity Sort greedy, sortings, two pointers	800	x28776
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29154
1850C	Word on the Paper implementation, strings	800	x42743
1850B	Ten Words of Wisdom implementation, sortings	800	x41739
1850A	To My Critics implementation, sortings	800	x53559
1849A	Morning Sandwich implementation, math	800	x27499
1847A	The Man who became a God greedy, sortings	800	x21870
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x26539
1846A	Rudolph and Cut the Rope implementation, math	800	x32067
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x25882
1844A	Subtraction Game constructive algorithms, games	800	x24254
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x32145
1843B	Long Long greedy, math, two pointers	800	x28560
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33671
1842A	Tenzing and Tsondu games, math	800	x19649
1841A	Game with Board constructive algorithms, games	800	x24487
1840A	Cipher Shifer implementation, strings, two pointers	800	x33439
1839A	The Good Array greedy, implementation, math	800	x17278
1838A	Blackboard List constructive algorithms, math	800	x21307
1837A	Grasshopper on a Line constructive algorithms, math	800	x30711
1836A	Destroyer implementation, sortings	800	x20074
1834A	Unit Array greedy, math	800	x22852
1833C	Vlad Building Beautiful Array greedy, math	800	x25824
1833A	Musical Puzzle implementation, strings	800	x32140
1832A	New Palindrome strings	800	x25227
1831A	Twin Permutations constructive algorithms	800	x25452
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x27858
1829B	Blank Space implementation	800	x43177
1829A	Love Story implementation, strings	800	x48401
1828A	Divisible Array constructive algorithms, math	800	x23375
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19477
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15970
1822C	Bun Lover math	800	x22648
1822B	Karina and Array greedy, math, sortings	800	x24446
1822A	TubeTube Feed brute force, implementation	800	x23977
1821A	Matching combinatorics, math	800	x19610
1820A	Yura's New Name implementation, strings	800	x16525
1818A	Politics greedy, implementation	800	x12810
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17129
1814A	Coins implementation, math	800	x27034
1811A	Insert Digit greedy, math, strings	800	x30574
1810B	Candies constructive algorithms, math, number theory	800	x17322
1810A	Beautiful Sequence brute force, greedy	800	x20568
1809A	Garland implementation	800	x23678
1807C	Find and Replace greedy, implementation, strings	800	x29806
1807B	Grab the Candies greedy	800	x40826
1807A	Plus or Minus implementation	800	x58730
1806A	Walking Master geometry, greedy, math	800	x23404
1805B	The String Has a Target greedy, strings	800	x18382
1805A	We Need the Zero bitmasks, brute force	800	x22154
1804A	Lame King greedy, math	800	x17804
1802A	Likes greedy, implementation	800	x15645
1800A	Is It a Cat? implementation, strings	800	x30722
1799A	Recent Actions data structures, greedy, implementation, math	800	x11471
1798A	Showstopper greedy, implementation, sortings	800	x19515
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17188
1796A	Typical Interview Problem brute force, implementation, strings	800	x18694
1795A	Two Towers brute force, implementation, strings	800	x23441
1794A	Prefix and Suffix Array strings	800	x16925
1793A	Yet Another Promotion greedy, math	800	x17870
1792A	GamingForces greedy, sortings	800	x27670
1791C	Prepend and Append implementation, two pointers	800	x42753
1791B	Following Directions geometry, implementation	800	x43017
1791A	Codeforces Checking implementation, strings	800	x57706
1790B	Taisia and Dice greedy, greedy, math	800	x27032
1790A	Polycarp and the Day of Pi implementation, math, strings	800	x36376
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15998
1789A	Serval and Mocha's Array brute force, math, number theory	800	x17871
1788A	One and Two brute force, implementation, math	800	x28903
1787A	Exponential Equation constructive algorithms, math	800	x18955
1786A2	Alternating Deck (hard version) implementation	800	x11311
1786A1	Non-alternating Deck (easy version) implementation	800	x13702
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x28645
1781A	Parallel Projection geometry, math	800	x14985
1780A	Hayato and School constructive algorithms, greedy	800	x21296
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x23022
1778A	Flip Flop Sum greedy, implementation	800	x23957
1777A	Everybody Likes Good Arrays! greedy, math	800	x22947
1776A	Walking Boy greedy	800	x6863
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19481
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22232
1773F	Football constructive algorithms	800	x4023