Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
20:58:25
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Problems

#	Name
1985C	Good Prefixes greedy	1000	x25253
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x19320
1979B	XOR Sequences bitmasks, greedy	1000	x19591
1979A	Guess the Maximum brute force, greedy, implementation	800	x25665
1978B	New Bakery binary search, greedy, math, ternary search	800	x18229
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x20756
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x15214
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x16799
1974A	Phone Desktop greedy, math	800	x30162
1972A	Contest Proposal brute force, greedy, two pointers	800	x20801
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x16674
1968B	Prefiquence greedy, two pointers	800	x25612
1966A	Card Exchange constructive algorithms, games, greedy	800	x16284
1957A	Stickogon constructive algorithms, greedy	800	x21587
1956B	Nene and the Card Game games, greedy	800	x20022
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x20206
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x21979
1951A	Dual Trigger constructive algorithms, greedy, math	900	x17988
1946A	Median of an Array greedy, implementation, sortings	800	x24680
1945A	Setting up Camp greedy, math	800	x26027
1944A	Destroying Bridges graphs, greedy, math	800	x22222
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x31027
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x27643
1934A	Too Min Too Max greedy, math	800	x24179
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x36501
1932A	Thorns and Coins dp, greedy, implementation	800	x27818
1931C	Make Equal Again brute force, greedy, math	1000	x27133
1931B	Make Equal greedy	800	x30836
1930A	Maximise The Score greedy, sortings	800	x17714
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24305
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x29911
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26387
1927B	Following the String constructive algorithms, greedy, strings	900	x31288
1927A	Make it White greedy, strings	800	x40890
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27755
1923A	Moving Chips greedy, implementation	800	x23742
1921C	Sending Messages greedy, math	900	x27991
1921B	Arranging Cats greedy, implementation	800	x32581
1921A	Square greedy, math	800	x40988
1920A	Satisfying Constraints brute force, greedy, math	800	x26901
1919B	Plus-Minus Split greedy	800	x29134
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22697
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29245
1915D	Unnatural Language Processing greedy, implementation, strings	900	x28580
1903A	Halloumi Boxes brute force, greedy, sortings	800	x26536
1901A	Line Trip greedy, math	800	x27053
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x23516
1896B	AB Flipping greedy, strings, two pointers	900	x13876
1895B	Points and Minimum Distance greedy, math, sortings	800	x19939
1884A	Simple Design brute force, greedy, math	800	x16819
1882A	Increasing Sequence greedy	800	x24759
1879B	Chips on the Board constructive algorithms, greedy	900	x21648
1879A	Rigged! greedy	800	x22609
1878A	How Much Does Daytona Cost? greedy	800	x40610
1876A	Helmets in Night Light greedy, sortings	1000	x15719
1875A	Jellyfish and Undertale brute force, greedy	900	x22961
1873D	1D Eraser greedy, implementation, two pointers	800	x33616
1873B	Good Kid brute force, greedy, math	800	x45956
1872B	The Corridor or There and Back Again greedy, implementation	900	x27111
1872A	Two Vessels brute force, greedy, math	800	x37995
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18706
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19958
1863A	Channel greedy, implementation	800	x17629
1862A	Gift Carpet dp, greedy, implementation, strings	800	x31426
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20615
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25181
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22350
1858A	Buttons games, greedy, math	800	x35612
1857A	Array Coloring greedy, math	800	x45001
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x24739
1855A	Dalton the Teacher greedy, math	800	x27460
1853A	Desorting brute force, greedy, math	800	x29471
1851C	Tiles Comeback greedy	1000	x22690
1851B	Parity Sort greedy, sortings, two pointers	800	x28583
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x33807
1849B	Monsters greedy, math, sortings	1000	x23683
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19416
1847A	The Man who became a God greedy, sortings	800	x21796
1843B	Long Long greedy, math, two pointers	800	x28358
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33433
1839A	The Good Array greedy, implementation, math	800	x17200
1837C	Best Binary String constructive algorithms, greedy	1000	x21405
1837B	Comparison String greedy	900	x27501
1834B	Maximum Strength greedy, math	1000	x14782
1834A	Unit Array greedy, math	800	x22363
1833C	Vlad Building Beautiful Array greedy, math	800	x25736
1833B	Restore the Weather greedy, sortings	900	x25747
1831B	Array merging constructive algorithms, greedy	1000	x19267
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x27640
1825B	LuoTianyi and the Table greedy, math	1000	x14331
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19404
1822B	Karina and Array greedy, math, sortings	800	x24293
1818A	Politics greedy, implementation	800	x12772
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x14920
1811A	Insert Digit greedy, math, strings	800	x30391
1810A	Beautiful Sequence brute force, greedy	800	x20481
1809B	Points on Plane binary search, greedy, math	1000	x19266
1807C	Find and Replace greedy, implementation, strings	800	x29608
1807B	Grab the Candies greedy	800	x40494
1806B	Mex Master constructive algorithms, greedy	900	x17277

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