Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
16:23:06
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Before contest
Codeforces Round 941 (Div. 2)
16:23:05
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geometry

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Problems

#	Name
961D	Pair Of Lines geometry	2000	x4090
140A	New Year Table geometry, math	1700	x4081
227A	Where do I Turn? geometry	1300	x4035
231D	Magic Box brute force, geometry	1600	x4028
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4021
598C	Nearest vectors geometry, sortings	2300	x3943
593B	Anton and Lines geometry, sortings	1600	x3940
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x3935
993A	Two Squares geometry, implementation	1600	x3875
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3838
660D	Number of Parallelograms geometry	1900	x3805
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x3776
1299C	Water Balance data structures, geometry, greedy	2100	x3636
1468F	Full Turn geometry, hashing, number theory	1700	x3585
1163C2	Power Transmission (Hard Edition) data structures, geometry, implementation, math	1900	x3516
849B	Tell Your World brute force, geometry	1600	x3476
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3413
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3411
1163C1	Power Transmission (Easy Edition) brute force, geometry	1900	x3247
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3221
613A	Peter and Snow Blower binary search, geometry, ternary search	1900	x3178
772B	Volatile Kite geometry	1800	x3090
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3075
474C	Captain Marmot brute force, geometry	2000	x3061
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3050
850A	Five Dimensional Points brute force, geometry, math	1700	x2992
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2787
190B	Surrounded geometry	1800	x2784
1032D	Barcelonian Distance geometry, implementation	1900	x2622
763B	Timofey and rectangles constructive algorithms, geometry	2100	x2575
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2573
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2539
932F	Escape Through Leaf data structures, dp, geometry	2700	x2510
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x2389
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2348
135B	Rectangle and Square brute force, geometry, math	1600	x2295
1270E	Divide Points constructive algorithms, geometry, math	2300	x2202
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2199
631E	Product Sum data structures, dp, geometry	2600	x2199
1401E	Divide Square data structures, geometry, implementation, sortings	2400	x2152
600D	Area of Two Circles' Intersection geometry	2000	x2133
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x2124
166B	Polygons geometry, sortings	2100	x2120
340B	Maximal Area Quadrilateral brute force, geometry	2100	x2019
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1976
975D	Ghosts geometry, math	2000	x1867
342C	Cupboard and Balloons geometry	1900	x1814
848B	Rooter's Song constructive algorithms, data structures, geometry, implementation, sortings, two pointers	1900	x1813
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1806
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1729
995C	Leaving the Bar brute force, data structures, geometry, greedy, math, sortings	2300	x1726
590B	Chip 'n Dale Rescue Rangers binary search, geometry, math	2100	x1693
464B	Restore Cube brute force, geometry	2000	x1661
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1596
703C	Chris and Road geometry, implementation	2100	x1580
2C	Commentator problem geometry	2600	x1570
1725C	Circular Mirror binary search, combinatorics, geometry, math, two pointers	2000	x1533
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1524
660F	Bear and Bowling 4 binary search, data structures, divide and conquer, geometry, ternary search	2500	x1505
993C	Careful Maneuvering bitmasks, brute force, geometry	2100	x1478
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1467
280A	Rectangle Puzzle geometry	2000	x1441
610D	Vika and Segments constructive algorithms, data structures, geometry, two pointers	2300	x1434
1548D1	Gregor and the Odd Cows (Easy) bitmasks, geometry, math, number theory	2300	x1426
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1425
1036E	Covered Points fft, geometry, number theory	2400	x1406
203D	Hit Ball geometry, implementation, math	1700	x1398
1666I	Interactive Treasure Hunt brute force, constructive algorithms, geometry, interactive, math	2200	x1381
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1260
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1238
793C	Mice problem geometry, implementation, math, sortings	2300	x1230
630Q	Pyramids geometry, math	1700	x1209
24C	Sequence of points geometry, implementation, math	1800	x1208
1044C	Optimal Polygon Perimeter dp, geometry	2100	x1199
1331E	Jordan Smiley *special problem, dfs and similar, geometry, implementation		x1197
1142C	U2 geometry	2400	x1164
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1151
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1135
33D	Knights geometry, graphs, shortest paths, sortings	2000	x1128
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1124
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x1094
630M	Turn geometry, math	1800	x1093
605C	Freelancer's Dreams geometry	2400	x1093
333E	Summer Earnings binary search, bitmasks, brute force, geometry, sortings	2500	x1066
630P	Area of a Star geometry	2100	x1056
1949I	Disks dfs and similar, geometry, graph matchings, graphs		x1044
1924C	Fractal Origami geometry, math, matrices	2400	x1027
195D	Analyzing Polyline geometry, math, sortings	1900	x998
70D	Professor's task data structures, geometry	2700	x932
1016E	Rest In The Shades binary search, geometry	2400	x928
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x913
120J	Minimum Sum divide and conquer, geometry, sortings	1900	x907
85E	Guard Towers binary search, dsu, geometry, graphs, sortings	2600	x904
1394C	Boboniu and String binary search, geometry, ternary search	2600	x899
250D	Building Bridge geometry, ternary search, two pointers	1900	x873
106E	Space Rescuers geometry, ternary search	2100	x836
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x823
1017E	The Supersonic Rocket geometry, hashing, strings	2400	x807
13B	Letter A geometry, implementation	2000	x804
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x799