Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
15:56:44
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geometry

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Problems

#	Name
2009D	Satyam and Counting geometry, math	1400	x12030
2002C	Black Circles brute force, geometry, greedy, math	1200	x13997
1986A	X Axis brute force, geometry, math, sortings	800	x38862
1984H	Tower Capturing combinatorics, dp, geometry	3300	x164
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1384
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x9583
1952I	Dark Matter bitmasks, geometry		x531
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1721
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x101
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6043
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x10736
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x21
1936F	Grand Finale: Circles binary search, geometry	3300	x141
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6648
1928A	Rectangle Cutting geometry, math	800	x22349
1926B	Vlad and Shapes geometry, implementation	800	x32063
1924C	Fractal Origami geometry, math, matrices	2400	x1133
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x446
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8430
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x57
1906D	Spaceship Exploration binary search, geometry	2800	x110
1901F	Landscaping binary search, geometry, two pointers	2900	x152
1886B	Fear of the Dark binary search, geometry, math	1200	x16059
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x15965
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x442
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x274
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12303
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x22971
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x19278
1845B	Come Together geometry, implementation, math	900	x21543
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1610
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x486
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x375
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3554
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17548
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4001
1806A	Walking Master geometry, greedy, math	800	x24486
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12505
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1192
1795B	Ideal Point brute force, geometry, greedy	900	x21997
1791B	Following Directions geometry, implementation	800	x43984
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x228
1781A	Parallel Projection geometry, math	800	x15053
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x671
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1323
1765F	Chemistry Lab dp, geometry, probabilities	2200	x595
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x96
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x113
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13726
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2471
1735F	Pebbles and Beads data structures, geometry	2900	x229
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12576
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x86
1725G	Garage binary search, geometry, math	1500	x5828
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1615
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x516
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1709
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21963
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2447
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1183
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x272
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4193
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5096
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1435
1666G	Global Warming geometry, math	3100	x136
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3161
1662K	Pandemic Restrictions geometry, ternary search		x331
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x12694
1642A	Hard Way geometry	800	x16158
1641F	Covering Circle geometry	3500	x99
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x88
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x585
1622A	Construct a Rectangle geometry, math	800	x29978
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x21012
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12200
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x369
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8629
1584G	Eligible Segments geometry	3200	x208
1578I	Interactive Rays geometry, interactive	3300	x63
1578F	Framing Pictures geometry	2900	x160
1575M	Managing Telephone Poles data structures, geometry	2400	x246
1575B	Building an Amusement Park binary search, geometry	2300	x472
1572E	Polygon binary search, dp, geometry	3000	x286
1571H	Laser Beams *special problem, geometry, probabilities	2900	x48
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5898
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10150
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x241
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1453
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20025
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x948
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x561
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x819
1517H	Fly Around the World dp, geometry	3500	x70
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24822
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x565
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x182
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x17017
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x15897
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2302
1468I	Plane Tiling geometry, implementation, math	2500	x495

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