Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
2275A	In Search of Convenience geometry, implementation		x24564
2253D	Hypercarp and Interdimensional Jumps binary search, brute force, geometry, greedy, implementation, math	1800	x3736
2225E	Covering Points with Circles constructive algorithms, geometry, math	2200	x1365
2215E	Star Map constructive algorithms, data structures, geometry, greedy, sortings	2700	x244
2211G	Rational Bubble Sort constructive algorithms, geometry, greedy	3100	x387
2206E	Parallel Sums data structures, geometry	2500	x569
2195H	Codeforces Heuristic Contest 001 brute force, constructive algorithms, geometry, implementation	2400	x552
2181I	Irrigation Interlock geometry	3500	x84
2179E	Blackslex and Girls constructive algorithms, geometry, math	1800	x6218
2172I	Birthday geometry	2000	x1233
2167E	khba Loves to Sleep! binary search, data structures, geometry, greedy, implementation	1600	x9934
2159D1	Inverse Minimum Partition (Easy Version) binary search, brute force, dp, geometry, greedy, math, two pointers	2500	x2433
2153C	Symmetrical Polygons constructive algorithms, geometry, greedy, implementation, sortings	1500	x12593
2148B	Lasers geometry	800	x34991
2141G	Good Robot Paths *special problem, data structures, geometry, sortings	2800	x66
2138F	Ode to the Bridge Builder constructive algorithms, geometry	3500	x100
2122F	Colorful Polygon constructive algorithms, divide and conquer, geometry	3400	x217
2122C	Manhattan Pairs constructive algorithms, geometry, greedy, math, sortings	1700	x10759
2120B	Square Pool geometry	1000	x18289
2120A	Square of Rectangles geometry, math	800	x20735
2119B	Line Segments geometry, greedy, math	1200	x19140
2118E	Grid Coloring constructive algorithms, geometry, greedy, math	2400	x1468
2097C	Bermuda Triangle chinese remainder theorem, geometry, implementation, math, number theory	2400	x1077
2095G	Definitely a Geometry Problem *special problem, geometry		x977
2095D	Where Am I? *special problem, geometry		x5359
2074G	Game With Triangles: Season 2 dp, geometry	2100	x2278
2074E	Empty Triangle geometry, interactive, probabilities	1600	x6983
2074D	Counting Points brute force, data structures, geometry, implementation, two pointers	1400	x12525
2074C	XOR and Triangle bitmasks, brute force, geometry, greedy, probabilities	1100	x22651
2074B	The Third Side geometry, greedy, math	800	x35796
2074A	Draw a Square geometry, implementation	800	x45767
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search, brute force, constructive algorithms, dp, geometry, greedy, math	1500	x12846
2063D	Game With Triangles binary search, brute force, data structures, geometry, greedy, implementation, math, ternary search, two pointers	2000	x5247
2062G	Permutation Factory flows, geometry, graph matchings, graphs	3500	x227
2062F	Traveling Salescat constructive algorithms, dp, geometry, graphs, greedy, math, sortings	2900	x651
2061B	Kevin and Geometry binary search, geometry	1100	x15123
2055F	Cosmic Divide brute force, geometry, hashing, math, strings	3200	x92
2053A	Tender Carpenter dp, geometry, greedy, math	800	x21456
2052G	Geometric Balance data structures, geometry, implementation	2800	x214
2038C	DIY data structures, geometry, greedy, sortings	1400	x7364
2027A	Rectangle Arrangement geometry, implementation, math	800	x22409
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x20759
2009D	Satyam and Counting geometry, math	1400	x19528
2002C	Black Circles brute force, geometry, greedy, math	1200	x18135
1986A	X Axis brute force, geometry, math, sortings	800	x49143
1984H	Tower Capturing combinatorics, dp, geometry	3300	x311
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1894
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x12999
1952I	Dark Matter *special problem, bitmasks, geometry		x656
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x2941
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x227
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x7025
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x12646
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x31
1936F	Grand Finale: Circles binary search, geometry	3300	x185
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x8340
1928A	Rectangle Cutting geometry, math	800	x24699
1926B	Vlad and Shapes geometry, implementation	800	x37142
1924C	Fractal Origami geometry, math, matrices	2400	x1421
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x701
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x9950
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x66
1906D	Spaceship Exploration binary search, geometry	2800	x176
1901F	Landscaping binary search, geometry, two pointers	2900	x282
1886B	Fear of the Dark binary search, geometry, math	1200	x18437
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x28790
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x598
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x364
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x16042
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x38921
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x23172
1845B	Come Together geometry, implementation, math	900	x24161
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1926
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x651
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x494
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x4399
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x19098
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4329
1806A	Walking Master geometry, greedy, math	800	x49691
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x14506
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1447
1795B	Ideal Point brute force, geometry, greedy	900	x24565
1791B	Following Directions geometry, implementation	800	x54271
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x357
1781A	Parallel Projection geometry, math	800	x16176
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x949
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1612
1765F	Chemistry Lab dp, geometry, probabilities	2200	x810
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x126
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x323
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x14427
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2841
1735F	Pebbles and Beads data structures, geometry	2900	x269
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x18817
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x120
1725G	Garage binary search, geometry, math	1500	x6841
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x2030
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x612
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x2469
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22941

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