Problemset - Codeforces

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Codeforces Global Round 26
09:46:38
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geometry

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Problems

#	Name
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers		x752
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x7940
1952I	Dark Matter bitmasks, geometry		x386
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1327
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x91
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5662
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x9902
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x20
1936F	Grand Finale: Circles binary search, geometry	3300	x71
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6182
1928A	Rectangle Cutting geometry, math	800	x21511
1926B	Vlad and Shapes geometry, implementation	800	x30369
1924C	Fractal Origami geometry, math, matrices	2400	x1064
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x421
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8005
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x55
1906D	Spaceship Exploration binary search, geometry	2800	x93
1901F	Landscaping binary search, geometry, two pointers	2900	x146
1886B	Fear of the Dark binary search, geometry, math	1200	x15379
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14802
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x415
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x266
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11452
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x21280
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18552
1845B	Come Together geometry, implementation, math	900	x21032
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1552
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x478
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x340
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3462
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x16996
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x3956
1806A	Walking Master geometry, greedy, math	800	x22781
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12120
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1164
1795B	Ideal Point brute force, geometry, greedy	900	x21362
1791B	Following Directions geometry, implementation	800	x42322
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x203
1781A	Parallel Projection geometry, math	800	x14918
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x642
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1252
1765F	Chemistry Lab dp, geometry, probabilities	2200	x589
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x90
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x106
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13611
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2413
1735F	Pebbles and Beads data structures, geometry	2900	x219
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12046
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x82
1725G	Garage binary search, geometry, math	1500	x5659
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1557
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x504
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1629
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21712
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2369
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1149
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x266
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4058
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4989
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1388
1666G	Global Warming geometry, math	3100	x135
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3093
1662K	Pandemic Restrictions geometry, ternary search		x308
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11963
1642A	Hard Way geometry	800	x16026
1641F	Covering Circle geometry	3500	x96
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x85
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x556
1622A	Construct a Rectangle geometry, math	800	x29587
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x19875
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12030
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x358
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8448
1584G	Eligible Segments geometry	3200	x203
1578I	Interactive Rays geometry, interactive	3300	x58
1578F	Framing Pictures geometry	2900	x148
1575M	Managing Telephone Poles data structures, geometry	2400	x241
1575B	Building an Amusement Park binary search, geometry	2300	x456
1572E	Polygon binary search, dp, geometry	3000	x281
1571H	Laser Beams *special problem, geometry, probabilities	2900	x45
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5798
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x9975
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x239
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1435
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x19685
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x918
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x535
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x810
1517H	Fly Around the World dp, geometry	3500	x65
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24304
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x533
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x136
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x16774
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x15399
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2215
1468I	Plane Tiling geometry, implementation, math	2500	x475
1468G	Hobbits binary search, geometry	2500	x801
1468F	Full Turn geometry, hashing, number theory	1700	x3620
1466A	Bovine Dilemma brute force, geometry, math	800	x22319
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1440

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