Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
46:45:52
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Problems

#	Name
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14688
1869A	Make It Zero constructive algorithms	900	x19063
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11300
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10674
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15992
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19324
1866A	Ambitious Kid math	800	x18649
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12743
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14858
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19850
1863C	MEX Repetition implementation, math	1100	x13507
1863B	Split Sort greedy, math, sortings	1100	x14689
1863A	Channel greedy, implementation	800	x17537
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16220
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19837
1862B	Sequence Game constructive algorithms	800	x29238
1862A	Gift Carpet dp, greedy, implementation, strings	800	x31103
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20362
1861A	Prime Deletion constructive algorithms, math	800	x23257
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16193
1860A	Not a Substring constructive algorithms, strings	900	x20957
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16423
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24674
1859A	United We Stand constructive algorithms, math, number theory	800	x29767
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22106
1858A	Buttons games, greedy, math	800	x34915
1857D	Strong Vertices math, sortings, trees	1300	x17954
1857C	Assembly via Minimums greedy, sortings	1200	x23392
1857B	Maximum Rounding greedy, implementation, math	1100	x22272
1857A	Array Coloring greedy, math	800	x44214
1856B	Good Arrays implementation, math	900	x23317
1856A	Tales of a Sort implementation	800	x25901
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x24230
1855A	Dalton the Teacher greedy, math	800	x27302
1853B	Fibonaccharsis binary search, brute force, math	1200	x16646
1853A	Desorting brute force, greedy, math	800	x28713
1851D	Prefix Permutation Sums implementation, math	1300	x14482
1851C	Tiles Comeback greedy	1000	x22445
1851B	Parity Sort greedy, sortings, two pointers	800	x28277
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28785
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17504
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x21152
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32961
1850C	Word on the Paper implementation, strings	800	x41626
1850B	Ten Words of Wisdom implementation, sortings	800	x40799
1850A	To My Critics implementation, sortings	800	x51908
1849B	Monsters greedy, math, sortings	1000	x23100
1849A	Morning Sandwich implementation, math	800	x27187
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13594
1848A	Vika and Her Friends games, math	900	x16311
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19232
1847A	The Man who became a God greedy, sortings	800	x21727
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15564
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18491
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x18086
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x26201
1846A	Rudolph and Cut the Rope implementation, math	800	x31601
1845B	Come Together geometry, implementation, math	900	x20997
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24931
1844C	Particles dp, greedy, implementation, math	1300	x14987
1844B	Permutations & Primes constructive algorithms, math	1000	x17584
1844A	Subtraction Game constructive algorithms, games	800	x23999
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17176
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x31366
1843B	Long Long greedy, math, two pointers	800	x28183
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33157
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15890
1842A	Tenzing and Tsondu games, math	800	x19537
1841B	Keep it Beautiful implementation	1000	x20734
1841A	Game with Board constructive algorithms, games	800	x24328
1840C	Ski Resort combinatorics, math, two pointers	1000	x25033
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x21640
1840A	Cipher Shifer implementation, strings, two pointers	800	x32851
1839C	Insert Zero and Invert Prefix constructive algorithms	1300	x11451
1839B	Lamps greedy, sortings	1100	x14551
1839A	The Good Array greedy, implementation, math	800	x17133
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15892
1838A	Blackboard List constructive algorithms, math	800	x21124
1837C	Best Binary String constructive algorithms, greedy	1000	x21237
1837B	Comparison String greedy	900	x26976
1837A	Grasshopper on a Line constructive algorithms, math	800	x29593
1836B	Astrophysicists greedy, math	1100	x12315
1836A	Destroyer implementation, sortings	800	x19892
1834C	Game with Reversing games, greedy, math, strings	1200	x12731
1834B	Maximum Strength greedy, math	1000	x14632
1834A	Unit Array greedy, math	800	x21736
1833C	Vlad Building Beautiful Array greedy, math	800	x25600
1833B	Restore the Weather greedy, sortings	900	x25539
1833A	Musical Puzzle implementation, strings	800	x31733
1832C	Contrast Value greedy, implementation	1200	x18626
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19966
1832A	New Palindrome strings	800	x25001
1831B	Array merging constructive algorithms, greedy	1000	x18794
1831A	Twin Permutations constructive algorithms	800	x24576
1829F	Forever Winter dfs and similar, graphs, math	1300	x16353
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18571
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24479
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x27332
1829B	Blank Space implementation	800	x41481
1829A	Love Story implementation, strings	800	x46686