Problemset - Codeforces

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Codeforces Round (Div. 2)
5 days

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Difficulty: —

geometry

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Problems

#	Name
2225E	Covering Points with Circles constructive algorithms, geometry, math		x1131
2215E	Star Map constructive algorithms, data structures, geometry, greedy, sortings	2700	x171
2211G	Rational Bubble Sort constructive algorithms, geometry, greedy	2900	x286
2206E	Parallel Sums data structures, geometry	2500	x406
2195H	Codeforces Heuristic Contest 001 brute force, constructive algorithms, geometry, implementation	2400	x471
2181I	Irrigation Interlock geometry	3500	x50
2179E	Blackslex and Girls constructive algorithms, geometry, math	1800	x5798
2172I	Birthday geometry	2000	x1080
2167E	khba Loves to Sleep! binary search, data structures, geometry, greedy, implementation	1600	x9096
2159D1	Inverse Minimum Partition (Easy Version) binary search, brute force, dp, geometry, greedy, math, two pointers	2500	x1037
2153C	Symmetrical Polygons constructive algorithms, geometry, greedy, implementation, sortings	1500	x11804
2148B	Lasers geometry	800	x33089
2141G	Good Robot Paths *special problem, data structures, geometry, sortings	2800	x62
2138F	Ode to the Bridge Builder constructive algorithms, geometry	3500	x82
2122F	Colorful Polygon constructive algorithms, divide and conquer, geometry	3400	x130
2122C	Manhattan Pairs constructive algorithms, geometry, greedy, math, sortings	1700	x8503
2120B	Square Pool geometry	1000	x17761
2120A	Square of Rectangles geometry, math	800	x20344
2119B	Line Segments geometry, greedy, math	1200	x18334
2118E	Grid Coloring constructive algorithms, geometry, greedy, math	2400	x1429
2097C	Bermuda Triangle chinese remainder theorem, geometry, implementation, math, number theory	2400	x1024
2095G	Definitely a Geometry Problem *special problem, geometry		x961
2095D	Where Am I? *special problem, geometry		x5303
2074G	Game With Triangles: Season 2 dp, geometry	2100	x2169
2074E	Empty Triangle geometry, interactive, probabilities	1600	x6665
2074D	Counting Points brute force, data structures, geometry, implementation, two pointers	1400	x12077
2074C	XOR and Triangle bitmasks, brute force, geometry, greedy, probabilities	1100	x21986
2074B	The Third Side geometry, greedy, math	800	x34785
2074A	Draw a Square geometry, implementation	800	x44349
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search, brute force, constructive algorithms, dp, geometry, greedy, math	1500	x12287
2063D	Game With Triangles binary search, brute force, data structures, geometry, greedy, implementation, math, ternary search, two pointers	2000	x5047
2062G	Permutation Factory flows, geometry, graph matchings, graphs	3500	x176
2062F	Traveling Salescat constructive algorithms, dp, geometry, graphs, greedy, math, sortings	2900	x614
2061B	Kevin and Geometry binary search, geometry	1100	x14699
2055F	Cosmic Divide brute force, geometry, hashing, math, strings	3200	x90
2053A	Tender Carpenter dp, geometry, greedy, math	800	x21268
2052G	Geometric Balance data structures, geometry, implementation	2800	x208
2038C	DIY data structures, geometry, greedy, sortings	1400	x6938
2027A	Rectangle Arrangement geometry, implementation, math	800	x22028
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x20278
2009D	Satyam and Counting geometry, math	1400	x18798
2002C	Black Circles brute force, geometry, greedy, math	1200	x17714
1986A	X Axis brute force, geometry, math, sortings	800	x48017
1984H	Tower Capturing combinatorics, dp, geometry	3300	x210
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1812
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x12486
1952I	Dark Matter *special problem, bitmasks, geometry		x650
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x2759
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x203
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x6877
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x12430
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x30
1936F	Grand Finale: Circles binary search, geometry	3300	x171
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x8079
1928A	Rectangle Cutting geometry, math	800	x24425
1926B	Vlad and Shapes geometry, implementation	800	x36469
1924C	Fractal Origami geometry, math, matrices	2400	x1378
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x642
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x9779
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x66
1906D	Spaceship Exploration binary search, geometry	2800	x169
1901F	Landscaping binary search, geometry, two pointers	2900	x188
1886B	Fear of the Dark binary search, geometry, math	1200	x18034
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x25797
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x559
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x322
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x15492
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x35085
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x22461
1845B	Come Together geometry, implementation, math	900	x23726
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1832
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x608
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x459
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x4224
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x18867
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4304
1806A	Walking Master geometry, greedy, math	800	x43611
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x14185
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1403
1795B	Ideal Point brute force, geometry, greedy	900	x24102
1791B	Following Directions geometry, implementation	800	x52701
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x337
1781A	Parallel Projection geometry, math	800	x16092
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x895
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1555
1765F	Chemistry Lab dp, geometry, probabilities	2200	x761
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x112
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x152
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x14353
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2780
1735F	Pebbles and Beads data structures, geometry	2900	x254
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x17294
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x106
1725G	Garage binary search, geometry, math	1500	x6700
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1947
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x589
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x2137
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22825
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2796
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1450

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