Problemset - Codeforces

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Problems

#	Name
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3700
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x14123
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6905
1923C	Find B constructive algorithms, greedy	1400	x15326
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7811
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5760
1922C	Closest Cities greedy, implementation, math	1300	x18712
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3935
1921E	Eat the Chip brute force, games, greedy, math	1600	x9914
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5665
1920C	Partitioning the Array brute force, math, number theory	1600	x13908
1919C	Grouping Increases data structures, dp, greedy	1400	x19400
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4857
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x14210
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10610
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8598
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x6543
1915F	Greetings data structures, divide and conquer, sortings	1500	x14076
1915E	Romantic Glasses data structures, greedy, math	1300	x22284
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x4186
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12620
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12400
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x15211
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2570
1912D	Divisibility Test math	1900	x1530
1912A	Accumulator Apex data structures, implementation, sortings	1900	x2158
1910D	Remove and Add *special problem, greedy	1800	x358
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x638
1910B	Security Guard *special problem, greedy	1600	x681
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x119
1909D	Split Plus K greedy, math, number theory	1900	x4497
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x11344
1907F	Shift and Reverse greedy, sortings	1800	x4972
1907E	Good Triples brute force, combinatorics, number theory	1600	x10498
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x14594
1906M	Triangle Construction greedy, math	1700	x2794
1906E	Merge Not Sort constructive algorithms, dp	1900	x1631
1905C	Largest Subsequence greedy, strings	1400	x12462
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4515
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6890
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x13612
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5829
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x12119
1902E	Collapsing Strings data structures, strings, trees	1900	x4400
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x4209
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x13988
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x7128
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x12150
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x11707
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x3274
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7798
1899E	Queue Sort greedy, implementation, sortings	1300	x15757
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x13688
1898D	Absolute Beauty greedy, math	1900	x5331
1898C	Colorful Grid constructive algorithms	1700	x5627
1898B	Milena and Admirer greedy, math	1500	x12130
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5866
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9782
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x6140
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x11377
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x9027
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x12545
1891D	Suspicious logarithms binary search, brute force, math	1900	x4015
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13612
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7479
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x13367
1887B	Time Travel binary search, graphs, shortest paths	1900	x3074
1886C	Decreasing String implementation, strings	1600	x11729
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6200
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5479
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x11356
1883F	You Are So Beautiful data structures	1400	x9698
1883E	Look Back bitmasks, greedy	1700	x8239
1883D	In Love data structures, greedy	1500	x11716
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5594
1882C	Card Game brute force, greedy	1500	x12533
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x15613
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x7118
1881E	Block Sequence dp	1500	x14677
1881D	Divide and Equalize math, number theory	1300	x17772
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7571
1879C	Make it Alternating combinatorics, dp, greedy	1300	x17385
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4172
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13182
1878D	Reverse Madness data structures, greedy	1600	x8500
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8447
1875D	Jellyfish and Mex dp	1600	x8898
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11907
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7564
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13589
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15881
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6450
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13994
1870D	Prefix Purchase greedy, implementation, sortings	1800	x7089
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11631
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x7096
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x12135
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5873
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11381
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3075