Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
1578C	Cactus Lady and her Cing	3500	x7
1773L	Lisa's Sequences dp	3500	x28
1773C	Cactus Meets Torus	3500	x28
1578G	Game of Chance math, probabilities	3500	x31
1938A	Antiparticle Antiphysics	3500	x35
1938M	Zig-zag	3500	x44
1930I	Counting Is Fun combinatorics	3500	x48
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x52
1909H	Parallel Swaps Sort constructive algorithms, data structures	3500	x56
1666H	Heroes of Might math	3500	x59
1776E	Crossing the Railways data structures, dp	3500	x60
1943F	Minimum Hamming Distance dp	3500	x63
1776N	Count Permutations math	3500	x63
1517H	Fly Around the World dp, geometry	3500	x63
1423A	Wakanda Forever	3500	x65
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x66
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x67
1868F	LIS? data structures, greedy, implementation	3500	x67
1874G	Jellyfish and Inscryption dp	3500	x68
1654H	Three Minimums combinatorics, constructive algorithms, divide and conquer, dp, fft, math	3500	x68
1427H	Prison Break binary search, games, geometry, ternary search	3500	x68
1863H	Goldberg Machine 3 dp, trees	3500	x69
1326G	Spiderweb Trees dp, geometry, trees	3500	x69
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x71
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x71
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x72
1491I	Ruler Of The Zoo brute force, data structures	3500	x72
1545E1	AquaMoon and Time Stop (easy version) data structures, dp	3500	x73
1446E	Long Recovery constructive algorithms, dfs and similar	3500	x74
1055G	Jellyfish Nightmare	3500	x74
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x75
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x75
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x76
1687F	Koishi's Unconscious Permutation fft, math	3500	x76
1276E	Four Stones constructive algorithms	3500	x77
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x78
1545E2	AquaMoon and Time Stop (hard version) data structures, dp	3500	x78
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x80
1864I	Future Dominators graphs, greedy	3500	x81
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x83
1428H	Rotary Laser Lock binary search, interactive	3500	x83
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x84
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x84
1677F	Tokitsukaze and Gems dp, math	3500	x85
1609H	Pushing Robots	3500	x85
1781H2	Window Signals (hard version)	3500	x86
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x87
1322F	Assigning Fares dp, trees	3500	x87
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x88
1071E	Rain Protection binary search, geometry	3500	x88
1667F	Yin Yang implementation	3500	x89
1656I	Neighbour Ordering constructive algorithms, graphs	3500	x92
1641F	Covering Circle geometry	3500	x93
1852F	Panda Meetups data structures, dp, flows	3500	x95
1761G	Centroid Guess interactive, probabilities, trees	3500	x95
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x95
1081H	Palindromic Magic data structures, hashing, strings	3500	x96
1540E	Tasty Dishes math, matrices	3500	x97
1876F	Indefinite Clownfish binary search, graphs	3500	x100
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x101
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x101
1648F	Two Avenues data structures, dfs and similar, graphs	3500	x101
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x101
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x103
1827F	Copium Permutation constructive algorithms, data structures, greedy	3500	x104
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x106
799G	Cut the pie binary search, data structures, geometry	3500	x106
1854F	Mark and Spaceship brute force, dp	3500	x107
1737G	Ela Takes Dancing Class binary search, data structures	3500	x107
1621I	Two Sequences data structures, hashing, string suffix structures	3500	x107
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x107
1305H	Kuroni the Private Tutor binary search, greedy	3500	x107
1470F	Strange Covering divide and conquer	3500	x112
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x114
1508F	Optimal Encoding brute force, data structures	3500	x115
1237G	Balanced Distribution data structures, dp, greedy	3500	x116
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x120
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x121
1824E	LuoTianyi and Cartridge data structures, trees	3500	x123
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x125
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x125
1394E	Boboniu and Banknote Collection strings	3500	x125
1774H	Maximum Permutation constructive algorithms	3500	x127
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x129
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x129
1423C	Dušan's Railway divide and conquer, graphs, trees	3500	x129
1916G	Optimizations From Chelsu divide and conquer, dp, number theory, trees	3500	x131
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x134
1685E	The Ultimate LIS Problem data structures, greedy	3500	x134
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x138
1208H	Red Blue Tree data structures, implementation, trees	3500	x140
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x141
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x142
1423N	BubbleSquare Tokens	3500	x143
1608G	Alphabetic Tree binary search, data structures, dfs and similar, hashing, string suffix structures, strings, trees	3500	x146
1320F	Blocks and Sensors brute force	3500	x148
1874F	Jellyfish and OEIS dp	3500	x150
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x154
1246F	Cursor Distance	3500	x155
1210G	Mateusz and Escape Room dp	3500	x155

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