Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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geometry

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Problems

#	Name
2055F	Cosmic Divide brute force, geometry, hashing, math, strings		x42
2053A	Tender Carpenter dp, geometry, greedy, math	800	x18320
2052G	Geometric Balance data structures, geometry, implementation	2800	x129
2038C	DIY data structures, geometry, greedy, sortings	1400	x4494
2027A	Rectangle Arrangement geometry, implementation, math	800	x19812
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x17241
2009D	Satyam and Counting geometry, math	1400	x15369
2002C	Black Circles brute force, geometry, greedy, math	1200	x15589
1986A	X Axis brute force, geometry, math, sortings	800	x42117
1984H	Tower Capturing combinatorics, dp, geometry	3300	x173
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1508
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x10514
1952I	Dark Matter bitmasks, geometry		x550
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1981
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x121
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6318
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x11320
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x24
1936F	Grand Finale: Circles binary search, geometry	3300	x148
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x7115
1928A	Rectangle Cutting geometry, math	800	x23113
1926B	Vlad and Shapes geometry, implementation	800	x33439
1924C	Fractal Origami geometry, math, matrices	2400	x1191
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x546
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8880
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x57
1906D	Spaceship Exploration binary search, geometry	2800	x129
1901F	Landscaping binary search, geometry, two pointers	2900	x157
1886B	Fear of the Dark binary search, geometry, math	1200	x16587
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x17210
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x457
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x285
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x13180
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x24847
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x20086
1845B	Come Together geometry, implementation, math	900	x21970
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1656
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x511
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x404
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3686
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17792
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4062
1806A	Walking Master geometry, greedy, math	800	x26734
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12893
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1250
1795B	Ideal Point brute force, geometry, greedy	900	x22473
1791B	Following Directions geometry, implementation	800	x46165
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x241
1781A	Parallel Projection geometry, math	800	x15200
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x710
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1395
1765F	Chemistry Lab dp, geometry, probabilities	2200	x627
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	x13878
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2568
1735F	Pebbles and Beads data structures, geometry	2900	x234
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x13337
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x88
1725G	Garage binary search, geometry, math	1500	x6054
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1679
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x533
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1797
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22145
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2524
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1256
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x281
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4289
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5246
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1517
1666G	Global Warming geometry, math	3100	x138
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3306
1662K	Pandemic Restrictions geometry, ternary search		x342
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x13561
1642A	Hard Way geometry	800	x16290
1641F	Covering Circle geometry	3500	x104
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x90
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x603
1622A	Construct a Rectangle geometry, math	800	x30559
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x22201
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12431
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x372
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8875
1584G	Eligible Segments geometry	3200	x218
1578I	Interactive Rays geometry, interactive	3300	x63
1578F	Framing Pictures geometry	2900	x164
1575M	Managing Telephone Poles data structures, geometry	2400	x254
1575B	Building an Amusement Park binary search, geometry	2300	x481
1572E	Polygon binary search, dp, geometry	3000	x318
1571H	Laser Beams *special problem, geometry, probabilities	2900	x51
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5980
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10310
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x266
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1490
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20406
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x978
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x585
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x832
1517H	Fly Around the World dp, geometry	3500	x75
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x25340

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