Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x16220
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x13962
1945D	Seraphim the Owl dp, greedy	1300	x11653
1943A	MEX Game 1 games, greedy	1300	x14779
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x9198
1937B	Binary Path dp, greedy, implementation	1300	x12828
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15582
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18016
1926D	Vlad and Division bitmasks, greedy	1300	x13275
1922C	Closest Cities greedy, implementation, math	1300	x16688
1915E	Romantic Glasses data structures, greedy, math	1300	x18199
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13494
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12113
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10335
1899E	Queue Sort greedy, implementation, sortings	1300	x13762
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x12081
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11908
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14179
1881D	Divide and Equalize math, number theory	1300	x14196
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14771
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13675
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10673
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11098
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10490
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12531
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15918
1857D	Strong Vertices math, sortings, trees	1300	x17549
1851D	Prefix Permutation Sums implementation, math	1300	x14282
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x16966
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15250
1844C	Particles dp, greedy, implementation, math	1300	x14746
1839C	Insert Zero and Invert Prefix constructive algorithms	1300	x11328
1829F	Forever Winter dfs and similar, graphs, math	1300	x16036
1826C	Dreaming of Freedom greedy, math, number theory	1300	x12730
1823C	Strongly Composite greedy, math, number theory	1300	x11621
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13531
1819A	Constructive Problem brute force, greedy	1300	x12021
1815A	Ian and Array Sorting greedy, math	1300	x13387
1810C	Make It Permutation brute force, greedy, sortings	1300	x13731
1807E	Interview binary search, implementation, interactive	1300	x11767
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12390
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16391
1786B	Cake Assembly Line brute force, sortings	1300	x8584
1778B	The Forbidden Permutation greedy, math	1300	x12868
1776H	Beppa and SwerChat two pointers	1300	x5984
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x12436
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11521
1769C2	Подкрутка II *special problem, dp	1300	x908
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x13518
1766C	Hamiltonian Wall dp, implementation	1300	x13038
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14240
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x12302
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14392
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9160
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14448
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15049
1726C	Jatayu's Balanced Bracket Sequence data structures, dsu, graphs, greedy	1300	x11843
1717C	Madoka and Formal Statement greedy	1300	x14209
1711B	Party brute force, graphs	1300	x13080
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18030
1698C	3SUM Closure brute force, data structures	1300	x17843
1693A	Directional Increase greedy	1300	x15607
1692F	3SUM brute force, math	1300	x21161
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14067
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15729
1675D	Vertical Paths graphs, implementation, trees	1300	x12514
1669H	Maximal AND bitmasks, greedy, math	1300	x16033
1667A	Make it Increasing brute force, greedy, math	1300	x14321
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16924
1660C	Get an Even String dp, greedy, strings	1300	x18690
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10592
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x12642
1649B	Game of Ball Passing greedy, implementation	1300	x12755
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12338
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14337
1627B	Not Sitting games, greedy, sortings	1300	x16237
1618D	Array and Operations dp, greedy, math	1300	x18225
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14428
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15140
1612C	Chat Ban binary search, math	1300	x15714
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16355
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16080
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x13117
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x10840
1585C	Minimize Distance greedy	1300	x11480
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x16466
1571B	Epic Novel *special problem, math	1300	x674
1561C	Deep Down Below binary search, greedy, sortings	1300	x13440
1560D	Make a Power of Two greedy, math, strings	1300	x17606
1558A	Charmed by the Game brute force, math	1300	x10914
1556B	Take Your Places! implementation	1300	x12410
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20797
1555B	Two Tables brute force	1300	x15591
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13790
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x15937
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26865
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12468
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20699
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x16024
1493B	Planet Lapituletti brute force, implementation	1300	x11608

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