Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
19:36:46
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Problems

#	Name
1866A	Ambitious Kid math	800	x23159
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15443
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20386
1863C	MEX Repetition implementation, math	1100	x14118
1863B	Split Sort greedy, math, sortings	1100	x15383
1863A	Channel greedy, implementation	800	x17967
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20985
1862B	Sequence Game constructive algorithms	800	x32949
1862A	Gift Carpet dp, greedy, implementation, strings	800	x32699
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x21556
1861A	Prime Deletion constructive algorithms, math	800	x24009
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x17087
1860A	Not a Substring constructive algorithms, strings	900	x21818
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x17122
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x27825
1859A	United We Stand constructive algorithms, math, number theory	800	x33395
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x23249
1858A	Buttons games, greedy, math	800	x39675
1857C	Assembly via Minimums greedy, sortings	1200	x26617
1857B	Maximum Rounding greedy, implementation, math	1100	x23164
1857A	Array Coloring greedy, math	800	x49474
1856B	Good Arrays implementation, math	900	x24535
1856A	Tales of a Sort implementation	800	x26677
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x27392
1855A	Dalton the Teacher greedy, math	800	x28195
1853B	Fibonaccharsis binary search, brute force, math	1200	x17569
1853A	Desorting brute force, greedy, math	800	x32760
1851C	Tiles Comeback greedy	1000	x23537
1851B	Parity Sort greedy, sortings, two pointers	800	x29505
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29638
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x23713
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x37913
1850C	Word on the Paper implementation, strings	800	x44778
1850B	Ten Words of Wisdom implementation, sortings	800	x43313
1850A	To My Critics implementation, sortings	800	x57469
1849B	Monsters greedy, math, sortings	1000	x26511
1849A	Morning Sandwich implementation, math	800	x28911
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x15427
1848A	Vika and Her Friends games, math	900	x16937
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x20147
1847A	The Man who became a God greedy, sortings	800	x22060
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x19603
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x19289
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x26984
1846A	Rudolph and Cut the Rope implementation, math	800	x32606
1845B	Come Together geometry, implementation, math	900	x21739
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x28229
1844B	Permutations & Primes constructive algorithms, math	1000	x18321
1844A	Subtraction Game constructive algorithms, games	800	x24645
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x18287
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x33631
1843B	Long Long greedy, math, two pointers	800	x29186
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x34437
1842B	Tenzing and Books bitmasks, greedy, math	1100	x17377
1842A	Tenzing and Tsondu games, math	800	x19871
1841B	Keep it Beautiful implementation	1000	x21621
1841A	Game with Board constructive algorithms, games	800	x24779
1840C	Ski Resort combinatorics, math, two pointers	1000	x28410
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x22585
1840A	Cipher Shifer implementation, strings, two pointers	800	x34308
1839B	Lamps greedy, sortings	1100	x15221
1839A	The Good Array greedy, implementation, math	800	x17539
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x16512
1838A	Blackboard List constructive algorithms, math	800	x21611
1837C	Best Binary String constructive algorithms, greedy	1000	x22204
1837B	Comparison String greedy	900	x30537
1837A	Grasshopper on a Line constructive algorithms, math	800	x33316
1836B	Astrophysicists greedy, math	1100	x12706
1836A	Destroyer implementation, sortings	800	x20390
1834C	Game with Reversing games, greedy, math, strings	1200	x13442
1834B	Maximum Strength greedy, math	1000	x15369
1834A	Unit Array greedy, math	800	x25180
1833C	Vlad Building Beautiful Array greedy, math	800	x26227
1833B	Restore the Weather greedy, sortings	900	x26784
1833A	Musical Puzzle implementation, strings	800	x32806
1832C	Contrast Value greedy, implementation	1200	x21315
1832B	Maximum Sum brute force, sortings, two pointers	1100	x22560
1832A	New Palindrome strings	800	x25892
1831B	Array merging constructive algorithms, greedy	1000	x21357
1831A	Twin Permutations constructive algorithms	800	x27605
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x20336
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x26816
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x28829
1829B	Blank Space implementation	800	x47316
1829A	Love Story implementation, strings	800	x52160
1828B	Permutation Swap math, number theory	900	x23721
1828A	Divisible Array constructive algorithms, math	800	x23766
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x19370
1826B	Lunatic Never Content math, number theory	1100	x18079
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x15373
1825B	LuoTianyi and the Table greedy, math	1000	x14770
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19728
1823B	Sort with Step brute force, math, sortings	900	x16120
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x16202
1822D	Super-Permutation constructive algorithms, math	1200	x16898
1822C	Bun Lover math	800	x23143
1822B	Karina and Array greedy, math, sortings	800	x24904
1822A	TubeTube Feed brute force, implementation	800	x24405
1821B	Sort the Subarray brute force, greedy	1100	x18951
1821A	Matching combinatorics, math	800	x19953