Problemset - Codeforces

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Problems

#	Name
1992G	Ultra-Meow combinatorics, dp, math	2000	x2249
1992F	Valuable Cards brute force, dp, greedy, number theory, two pointers	1900	x4611
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x5021
1988D	The Omnipotent Monster Killer brute force, dfs and similar, dp, trees	2000	x3914
1987D	World is Mine dp, games	1800	x6049
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x6538
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x5894
1978E	Computing Machine brute force, data structures, dp, greedy, implementation	2000	x3262
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x6040
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x9281
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x5351
1974E	Money Buys Happiness dp	1800	x7119
1970E2	Trails (Medium) dp, matrices	2000	x1012
1970E1	Trails (Easy) dp	1800	x1688
1970C3	Game on Tree (Hard) dfs and similar, dp, games, trees	1900	x1246
1970C2	Game on Tree (Medium) dfs and similar, dp, games, trees	1700	x2145
1969C	Minimizing the Sum dp, implementation	1700	x7731
1968G1	Division + LCP (easy version) binary search, data structures, dp, hashing, string suffix structures, strings	1900	x3858
1957D	A BIT of an Inequality bitmasks, brute force, dp, math	1900	x4154
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x8869
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3613
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x4118
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x6584
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x5602
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x4008
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees	1900	x1492
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x10027
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8986
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7732
1932F	Feed Cats data structures, dp, sortings	1900	x3796
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3917
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4474
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3304
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3435
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3502
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3650
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4530
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3901
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2244
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x116
1906E	Merge Not Sort constructive algorithms, dp	1900	x1416
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3904
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6556
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3956
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3144
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5834
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5212
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6483
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7048
1875D	Jellyfish and Mex dp	1600	x8196
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2979
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6555
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x6012
1861D	Sorting By Multiplication dp, greedy	1800	x6531
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6801
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5129
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11778
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4245
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7596
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5168
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7633
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x5195
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7461
1829G	Hits Different data structures, dp, implementation, math	1600	x9968
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3787
1826D	Running Miles brute force, dp, greedy	1700	x9207
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5869
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3700
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6334
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4533
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3345
1799D1	Hot Start Up (easy version) dp	1900	x4296
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3849
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x4154
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3482
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5961
1787C	Remove the Bracket dp, greedy, math	1600	x6916
1783D	Different Arrays brute force, dp, implementation	2000	x4307
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7728
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3383
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3425
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x375
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2709
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4281
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5461
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10853
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4527
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7499
1741E	Sending a Sequence Over the Network dp	1600	x11487
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4232
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x6185
1733D2	Zero-One (Hard Version) dp, greedy	2000	x4100
1731E	Graph Cost dp, greedy, math, number theory	2000	x2741
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6971
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x7061
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x3026
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10483
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5854
1718A2	Burenka and Traditions (hard version) data structures, dp, greedy	1900	x5116
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5633

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