Problemset - Codeforces

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Codeforces Round #851 (Div. 2)
37:47:58
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geometry

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Problems

#	Name
1791B	Following Directions geometry, implementation	800	x26005
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x96
1781A	Parallel Projection geometry, math	800	x13022
1765F	Chemistry Lab dp, geometry, probabilities	2200	x404
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x68
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x53
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x12429
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x1992
1735F	Pebbles and Beads data structures, geometry	2900	x158
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x9153
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x55
1725G	Garage binary search, geometry, math	1500	x4069
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1092
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x426
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1203
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x20158
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x1991
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x990
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x184
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x3409
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4206
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1168
1666G	Global Warming geometry, math	3100	x107
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x2567
1662K	Pandemic Restrictions geometry, ternary search		x213
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x9967
1642A	Hard Way geometry	800	x14984
1641F	Covering Circle geometry	3500	x64
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x66
1627F	Not Splitting geometry, graphs, greedy, implementation, shortest paths	2700	x470
1622A	Construct a Rectangle geometry, math	800	x26436
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x16911
1616C	Representative Edges brute force, geometry, implementation, math	1500	x10638
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x310
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x7324
1584G	Eligible Segments geometry	3200	x163
1578I	Interactive Rays geometry, interactive	3300	x44
1578F	Framing Pictures geometry	2900	x139
1575M	Managing Telephone Poles data structures, geometry	2400	x185
1575B	Building an Amusement Park binary search, geometry	2300	x381
1572E	Polygon binary search, dp, geometry	3000	x206
1571H	Laser Beams *special problem, geometry, probabilities	2900	x30
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5358
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x8920
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x211
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1300
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x18008
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x812
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x309
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x709
1517H	Fly Around the World dp, geometry	3500	x48
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x21147
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x371
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x98
1495A	Diamond Miner geometry, greedy, math, sortings	1200	x15397
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x13666
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x1991
1468I	Plane Tiling geometry, implementation, math	2500	x424
1468G	Hobbits binary search, geometry	2500	x704
1468F	Full Turn geometry, hashing, number theory	1700	x3190
1466A	Bovine Dilemma brute force, geometry, math	800	x21500
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1311
1451D	Circle Game games, geometry, math	1700	x8549
1450B	Balls of Steel brute force, geometry, greedy	1000	x14089
1446F	Line Distance binary search, data structures, geometry	3200	x178
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x400
1427H	Prison Break binary search, games, geometry, ternary search	3500	x48
1423E	5G Antenna Towers geometry	2700	x57
1422A	Fence geometry, math	800	x19809
1402B	Roads *special problem, geometry, sortings	2900	x92
1401E	Divide Square data structures, geometry, implementation, sortings	2400	x1946
1398A	Bad Triangle geometry, math	800	x25326
1394C	Boboniu and String binary search, geometry, ternary search	2600	x756
1388E	Uncle Bogdan and Projections data structures, geometry, sortings	2700	x350
1386B	Mixture *special problem, data structures, geometry, math, sortings	2900	x103
1381E	Origami geometry, math, sortings	3300	x87
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x63
1369A	FashionabLee geometry, math	800	x32452
1368G	Shifting Dominoes data structures, geometry, graphs, trees	3200	x251
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x531
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x326
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5442
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x14384
1331E	Jordan Smiley *special problem, dfs and similar, geometry, implementation		x1148
1326G	Spiderweb Trees dp, geometry, trees	3500	x54
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x23439
1307B	Cow and Friend geometry, greedy, math	1300	x12168
1303G	Sum of Prefix Sums data structures, divide and conquer, geometry, trees	2700	x551
1299C	Water Balance data structures, geometry, greedy	2100	x3213
1299B	Aerodynamic geometry	1800	x4755
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x5482
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x947
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x9588
1270E	Divide Points constructive algorithms, geometry, math	2300	x1970
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1127
1248A	Integer Points geometry, math	1000	x12888
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x5571
1220G	Geolocation geometry	3400	x33
1218B	Guarding warehouses data structures, geometry	3000	x56
1216C	White Sheet geometry, math	1700	x7534

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