Problemset - Codeforces

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Codeforces Round 942 (Div. 1)
00:27:08

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Codeforces Round 942 (Div. 2)
00:27:09

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Problems

#	Name
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x2963
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3178
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5573
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4608
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3315
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8892
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8025
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7053
1932F	Feed Cats data structures, dp, sortings	1900	x3330
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3654
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4118
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2897
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3191
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3126
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3412
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4217
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3649
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2000
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x73
1906E	Merge Not Sort constructive algorithms, dp	1900	x1286
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3644
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6108
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3673
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2995
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5402
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x4950
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5954
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6544
1875D	Jellyfish and Mex dp	1600	x7521
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2831
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6312
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5626
1861D	Sorting By Multiplication dp, greedy	1800	x6237
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6516
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4877
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10990
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4033
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7291
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4963
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7281
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4917
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7025
1829G	Hits Different data structures, dp, implementation, math	1600	x9339
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3651
1826D	Running Miles brute force, dp, greedy	1700	x8504
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5542
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3564
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6026
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4413
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3208
1799D1	Hot Start Up (easy version) dp	1900	x4059
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3690
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x3871
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3336
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5741
1787C	Remove the Bracket dp, greedy, math	1600	x6687
1783D	Different Arrays brute force, dp, implementation	2000	x4164
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7475
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3206
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3306
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x367
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2635
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4153
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5249
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10415
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4415
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7274
1741E	Sending a Sequence Over the Network dp	1600	x10743
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4098
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x6002
1733D2	Zero-One (Hard Version) dp, greedy	2000	x3969
1731E	Graph Cost dp, greedy, math, number theory	2000	x2651
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6693
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6833
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x2841
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x9998
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5710
1718A2	Burenka and Traditions (hard version) data structures, dp, greedy	1900	x4989
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5481
1716D	Chip Move brute force, dp, math	2000	x4976
1716C	Robot in a Hallway data structures, dp, greedy, implementation, ternary search	2000	x4003
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8579
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9963
1700D	River Locks binary search, dp, greedy, math	1900	x5824
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10351
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8045
1692H	Gambling data structures, dp, greedy, math	1700	x7029
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4027
1689C	Infected Tree dfs and similar, dp, trees	1600	x10465
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9254
1680E	Moving Chips bitmasks, dp, greedy	2000	x3628
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4557
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6384
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8101
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4999
1674G	Remove Directed Edges dfs and similar, dp, graphs	2000	x2381
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5100
1646D	Weight the Tree constructive algorithms, dfs and similar, dp, implementation, trees	2000	x3531
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7352
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5988

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