Problemset - Codeforces

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Educational Codeforces Round 97 (Rated for Div. 2)
40:07:58
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geometry

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Problems

#	Name
1427H	Prison Break binary search, games, geometry, ternary search	3500	x14
1423E	5G Antenna Towers geometry	2700	x27
1422A	Fence geometry, math	800	x13931
1402B	Roads *special problem, geometry, sortings	2900	x59
1401E	Divide Square data structures, geometry, implementation, sortings	2400	x1451
1398A	Bad Triangle geometry, math	800	x19744
1394C	Boboniu and String binary search, geometry, ternary search	2600	x553
1388E	Uncle Bogdan and Projections data structures, geometry, sortings	2700	x267
1386B	Mixture *special problem, data structures, geometry, math, sortings	2900	x70
1381E	Origami geometry, math, sortings	3300	x55
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x39
1368G	Shifting Dominoes data structures, geometry, graphs, trees	3200	x106
1369A	FashionabLee geometry, math	800	x22723
1366F	Jog Around The Graph binary search, dp, geometry, graphs	2700	x363
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x232
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x11575
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x4504
1331E	Jordan Smiley dfs and similar, geometry, implementation		x1009
1326G	Spiderweb Trees dp, geometry, trees	3500	x32
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x18015
1307B	Cow and Friend geometry, greedy, math	1300	x9585
1303G	Sum of Prefix Sums data structures, divide and conquer, geometry, trees	2700	x314
1299C	Water Balance data structures, geometry, greedy	2100	x2558
1299B	Aerodynamic geometry	1800	x4086
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x4291
1284E	New Year and Castle Construction combinatorics, geometry, math, sortings	2500	x735
1270E	Divide Points constructive algorithms, geometry, math	2300	x1478
1271C	Shawarma Tent brute force, geometry, greedy, implementation	1300	x7402
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x869
1248A	Integer Points geometry, math	1000	x10146
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x4592
1216C	White Sheet geometry, math	1700	x4568
1220G	Geolocation geometry	3400	x27
1218B	Guarding warehouses data structures, geometry	3000	x28
1199B	Water Lily geometry, math	1000	x12719
1193C	Scissors and Tape *special problem, constructive algorithms, geometry		x19
1195F	Geometers Anonymous Club data structures, geometry, math, sortings	2500	x408
1194E	Count The Rectangles bitmasks, brute force, data structures, geometry, sortings	2200	x1246
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x105
1167G	Low Budget Inception brute force, geometry	3100	x103
1158D	Winding polygonal line constructive algorithms, geometry, greedy, math	2600	x416
1163C1	Power Transmission (Easy Edition) brute force, geometry	1900	x2318
1163C2	Power Transmission (Hard Edition) data structures, geometry, implementation, math	1900	x2424
1156A	Inscribed Figures geometry	1400	x6026
1146H	Satanic Panic dp, geometry	2900	x221
1142C	U2 geometry	2400	x737
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x7425
1096C	Polygon for the Angle brute force, geometry	1600	x5085
1083E	The Fair Nut and Rectangles data structures, dp, geometry	2400	x1404
1032D	Barcelonian Distance geometry, implementation	1900	x2101
1044C	Optimal Polygon Perimeter dp, geometry	2100	x902
1071E	Rain Protection binary search, geometry	3500	x59
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x43
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2068
1064A	Make a triangle! brute force, geometry, math	800	x13713
1059D	Nature Reserve binary search, geometry, ternary search	2200	x1910
1030D	Vasya and Triangle geometry, number theory	1800	x4606
1030B	Vasya and Cornfield geometry	1100	x8912
1046I	Say Hello geometry	2300	x206
1045F	Shady Lady geometry, math	3400	x72
1045E	Ancient civilizations constructive algorithms, geometry	3200	x52
1047B	Cover Points geometry, math	900	x11889
1036E	Covered Points fft, geometry, number theory	2400	x1030
1028C	Rectangles geometry, implementation, sortings	1600	x3519
1025F	Disjoint Triangles geometry	2700	x427
1019D	Large Triangle binary search, geometry, sortings	2700	x396
1017E	The Supersonic Rocket geometry, hashing, strings	2400	x595
1016E	Rest In The Shades binary search, geometry	2400	x688
995C	Leaving the Bar brute force, data structures, geometry, greedy, math, sortings	2300	x1213
993C	Careful Maneuvering bitmasks, brute force, geometry	2100	x1161
993A	Two Squares geometry, implementation	1600	x3153
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x171
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x420
982E	Billiard geometry, number theory	2600	x393
975E	Hag's Khashba geometry	2600	x251
975D	Ghosts geometry, math	2000	x1545
958E3	Guard Duty (hard) geometry	2700	x139
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1126
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x73
961D	Pair Of Lines geometry	2000	x2708
949F	Astronomy geometry, probabilities	3300	x32
935C	Fifa and Fafa geometry	1600	x3973
932F	Escape Through Leaf data structures, dp, geometry	2700	x898
933C	A Colourful Prospect geometry, graphs	2700	x414
908C	New Year and Curling brute force, geometry, implementation, math	1500	x5628
900A	Find Extra One geometry, implementation	800	x9705
886F	Symmetric Projections geometry	2900	x206
887E	Little Brother binary search, geometry, sortings	2800	x93
859B	Lazy Security Guard brute force, geometry, math	1000	x4981
853E	Lada Malina data structures, geometry	3400	x42
851B	Arpa and an exam about geometry geometry, math	1400	x4290
850A	Five Dimensional Points brute force, geometry, math	1700	x2647
852H	Bob and stages dp, geometry	3000	x68
849B	Tell Your World brute force, geometry	1600	x2984
848B	Rooter's Song constructive algorithms, data structures, geometry, implementation, sortings, two pointers	1900	x1410
842B	Gleb And Pizza geometry	1100	x7958
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x4382
815D	Karen and Cards binary search, combinatorics, data structures, geometry	2800	x342
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x1616
794B	Cutting Carrot geometry, math	1200	x4776

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