Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x24570
1926B	Vlad and Shapes geometry, implementation	800	x30976
1926A	Vlad and the Best of Five implementation	800	x44425
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2360
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x346
1923B	Monsters Attack! dp, greedy, implementation	1100	x16813
1923A	Moving Chips greedy, implementation	800	x23841
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5379
1922C	Closest Cities greedy, implementation, math	1300	x17445
1922A	Tricky Template constructive algorithms, implementation, strings	800	x26334
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1173
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3592
1921B	Arranging Cats greedy, implementation	800	x32676
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5277
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x802
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x811
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1623
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4444
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13134
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22772
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29329
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1700
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9744
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17144
1916A	2023 constructive algorithms, implementation, math, number theory	800	x25012
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5731
1915D	Unnatural Language Processing greedy, implementation, strings	900	x28718
1915C	Can I Square? binary search, implementation	800	x39401
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x39958
1915A	Odd One Out bitmasks, implementation	800	x52377
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x19405
1914A	Problemsolving Log implementation, strings	800	x30525
1913A	Rating Increase implementation	800	x22842
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x808
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1943
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x607
1910A	Username *special problem, implementation	1100	x1666
1909A	Distinct Buttons implementation, math	800	x15981
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1810
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x24175
1907A	Rook implementation	800	x35082
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3619
1904F	Beautiful Tree data structures, dfs and similar, graphs, implementation, trees	2800	x320
1904E	Tree Queries data structures, dfs and similar, graphs, implementation, trees	2500	x863
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4037
1904A	Forked! brute force, implementation	900	x17385
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x932
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3825
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6449
1900F	Local Deletions binary search, data structures, implementation	2800	x268
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1896
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x23812
1899E	Queue Sort greedy, implementation, sortings	1300	x14517
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x19040
1898A	Milica and String brute force, implementation, strings	800	x15439
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x318
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x670
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10475
1894A	Secret Sport implementation, strings	800	x18443
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2514
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11673
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x794
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x17004
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x541
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x12469
1886C	Decreasing String implementation, strings	1600	x10721
1884E	Hard Design greedy, implementation, math	2800	x271
1881C	Perfect Square brute force, implementation	1200	x16350
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1209
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1130
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x16387
1873D	1D Eraser greedy, implementation, two pointers	800	x33759
1873C	Target Practice implementation, math	800	x37320
1873A	Short Sort brute force, implementation	800	x50910
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5992
1872B	The Corridor or There and Back Again greedy, implementation	900	x27174
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6610
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11060
1868F	LIS? data structures, greedy, implementation	3500	x71
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x257
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1107
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2325
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6677
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11538
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5522
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x416
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x255
1864F	Exotic Queries data structures, implementation, sortings	2300	x1354
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19992
1863C	MEX Repetition implementation, math	1100	x13647
1863A	Channel greedy, implementation	800	x17668
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20083
1862A	Gift Carpet dp, greedy, implementation, strings	800	x31523
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1650
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9722
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x266
1857B	Maximum Rounding greedy, implementation, math	1100	x22469
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1335
1856B	Good Arrays implementation, math	900	x23611
1856A	Tales of a Sort implementation	800	x26103