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	x24511
1926B	Vlad and Shapes geometry, implementation	800	x30912
1926A	Vlad and the Best of Five implementation	800	x44337
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2354
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x345
1923B	Monsters Attack! dp, greedy, implementation	1100	x16787
1923A	Moving Chips greedy, implementation	800	x23818
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5377
1922C	Closest Cities greedy, implementation, math	1300	x17426
1922A	Tricky Template constructive algorithms, implementation, strings	800	x26322
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1171
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3587
1921B	Arranging Cats greedy, implementation	800	x32649
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5271
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x801
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x810
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1620
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4439
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13112
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22752
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29306
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1698
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9730
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17122
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24999
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5712
1915D	Unnatural Language Processing greedy, implementation, strings	900	x28680
1915C	Can I Square? binary search, implementation	800	x39344
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x39910
1915A	Odd One Out bitmasks, implementation	800	x52280
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x19363
1914A	Problemsolving Log implementation, strings	800	x30500
1913A	Rating Increase implementation	800	x22812
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x808
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1936
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x607
1910A	Username *special problem, implementation	1100	x1661
1909A	Distinct Buttons implementation, math	800	x15975
1907G	Lights brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	2200	x1806
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x24144
1907A	Rook implementation	800	x35053
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3613
1904F	Beautiful Tree data structures, dfs and similar, graphs, implementation, trees	2800	x319
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	x4028
1904A	Forked! brute force, implementation	900	x17340
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x929
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3814
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6439
1900F	Local Deletions binary search, data structures, implementation	2800	x268
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1891
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x23719
1899E	Queue Sort greedy, implementation, sortings	1300	x14483
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x19006
1898A	Milica and String brute force, implementation, strings	800	x15416
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	x10450
1894A	Secret Sport implementation, strings	800	x18427
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2510
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11648
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x793
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16983
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x541
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x12446
1886C	Decreasing String implementation, strings	1600	x10693
1884E	Hard Design greedy, implementation, math	2800	x271
1881C	Perfect Square brute force, implementation	1200	x16325
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1208
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1129
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x16368
1873D	1D Eraser greedy, implementation, two pointers	800	x33719
1873C	Target Practice implementation, math	800	x37255
1873A	Short Sort brute force, implementation	800	x50835
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5989
1872B	The Corridor or There and Back Again greedy, implementation	900	x27157
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6608
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11052
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	x1106
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2322
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6671
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11528
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5515
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	x1353
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19985
1863C	MEX Repetition implementation, math	1100	x13643
1863A	Channel greedy, implementation	800	x17660
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20067
1862A	Gift Carpet dp, greedy, implementation, strings	800	x31494
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1648
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9707
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x266
1857B	Maximum Rounding greedy, implementation, math	1100	x22459
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1335
1856B	Good Arrays implementation, math	900	x23593
1856A	Tales of a Sort implementation	800	x26093