Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
11:34:11
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geometry

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Problems

#	Name
2027A	Rectangle Arrangement geometry, implementation, math	800	x17707
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x15242
2009D	Satyam and Counting geometry, math	1400	x14083
2002C	Black Circles brute force, geometry, greedy, math	1200	x14954
1986A	X Axis brute force, geometry, math, sortings	800	x40364
1984H	Tower Capturing combinatorics, dp, geometry	3300	x168
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1438
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x9979
1952I	Dark Matter bitmasks, geometry		x538
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1859
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x111
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6181
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x10992
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x24
1936F	Grand Finale: Circles binary search, geometry	3300	x144
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6830
1928A	Rectangle Cutting geometry, math	800	x22735
1926B	Vlad and Shapes geometry, implementation	800	x32608
1924C	Fractal Origami geometry, math, matrices	2400	x1176
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x535
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8579
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x57
1906D	Spaceship Exploration binary search, geometry	2800	x124
1901F	Landscaping binary search, geometry, two pointers	2900	x155
1886B	Fear of the Dark binary search, geometry, math	1200	x16301
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x16432
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x446
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x280
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12626
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x23663
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x19591
1845B	Come Together geometry, implementation, math	900	x21722
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1635
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x501
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x385
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3623
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17656
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4024
1806A	Walking Master geometry, greedy, math	800	x25475
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12662
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1218
1795B	Ideal Point brute force, geometry, greedy	900	x22157
1791B	Following Directions geometry, implementation	800	x44925
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x236
1781A	Parallel Projection geometry, math	800	x15112
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x685
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1354
1765F	Chemistry Lab dp, geometry, probabilities	2200	x604
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x97
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x115
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13778
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2508
1735F	Pebbles and Beads data structures, geometry	2900	x232
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12932
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x87
1725G	Garage binary search, geometry, math	1500	x5925
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1647
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x530
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1747
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22026
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2488
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1238
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x278
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4243
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5163
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1475
1666G	Global Warming geometry, math	3100	x137
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3213
1662K	Pandemic Restrictions geometry, ternary search		x340
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x13098
1642A	Hard Way geometry	800	x16229
1641F	Covering Circle geometry	3500	x100
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x89
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x591
1622A	Construct a Rectangle geometry, math	800	x30204
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x21505
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12291
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x371
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8763
1584G	Eligible Segments geometry	3200	x210
1578I	Interactive Rays geometry, interactive	3300	x63
1578F	Framing Pictures geometry	2900	x163
1575M	Managing Telephone Poles data structures, geometry	2400	x252
1575B	Building an Amusement Park binary search, geometry	2300	x477
1572E	Polygon binary search, dp, geometry	3000	x298
1571H	Laser Beams *special problem, geometry, probabilities	2900	x49
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5942
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10233
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x263
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1475
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20174
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x962
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x572
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x824
1517H	Fly Around the World dp, geometry	3500	x73
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x25064
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x575
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x184
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x17128
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x16115

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