Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
10:37:20
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Before contest
Codeforces Round 941 (Div. 2)
10:37:20
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Problems

#	Name
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5446
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4489
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14052
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8812
1945D	Seraphim the Owl dp, greedy	1300	x11736
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x7992
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x16313
1937B	Binary Path dp, greedy, implementation	1300	x12875
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7030
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16371
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3647
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18056
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9802
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22706
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12197
1919C	Grouping Increases data structures, dp, greedy	1400	x16683
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17948
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x1986
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6092
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10350
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10036
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5393
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5946
1881E	Block Sequence dp	1500	x11514
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6523
1879C	Make it Alternating combinatorics, dp, greedy	1300	x14804
1875D	Jellyfish and Mex dp	1600	x7499
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11805
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10680
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6307
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5619
1861D	Sorting By Multiplication dp, greedy	1800	x6216
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12349
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6509
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16255
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10573
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4868
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10971
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9365
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12172
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17877
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7284
1845C	Strong Password binary search, dp, greedy, strings	1400	x13279
1844C	Particles dp, greedy, implementation, math	1300	x14762
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4957
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16960
1842C	Tenzing and Balls dp	1500	x11566
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7272
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4911
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12361
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7006
1829G	Hits Different data structures, dp, implementation, math	1600	x9324
1826D	Running Miles brute force, dp, greedy	1700	x8485
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5534
1811E	Living Sequence binary search, dp, math, number theory	1500	x11495
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6016
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5736
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8028
1787C	Remove the Bracket dp, greedy, math	1600	x6680
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7459
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11530
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12762
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x367
1769C2	Подкрутка II *special problem, dp	1300	x911
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x928
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9381
1766C	Hamiltonian Wall dp, implementation	1300	x13050
1759E	The Humanoid brute force, dp, sortings	1500	x9889
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9753
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14252
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10402
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7266
1741E	Sending a Sequence Over the Network dp	1600	x10726
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4095
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8683
1738C	Even Number Addicts dp, games, greedy, math	1500	x10500
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x6000
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6680
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6824
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x2839
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x9990
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5709
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5468
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8569
1713C	Build Permutation constructive algorithms, dp, math	1200	x16788
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14412
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9949
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18060
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10344
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8038
1692H	Gambling data structures, dp, greedy, math	1700	x7023
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15832
1689C	Infected Tree dfs and similar, dp, trees	1600	x10453
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9250
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6379
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8099
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14085
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4994
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11643
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16934

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