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Geometry problems
Problem Name Online Judge Year Contest Difficulty Level
1 Gerald's Hexagon Categories Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) 1
2 Triangle From Centroid Categories SPOJ 1
3 Han Solo and Lazer Gun Categories Codeforces Codeforces Round #291 (Div. 2) 1
4 The Grazing Cow Categories UVA 1
5 Beavergnaw Categories UVA 1
6 Sphere in a tetrahedron Categories SPOJ 1
7 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
8 Currency System in Geraldion Categories Codeforces Codeforces Round #313 (Div. 2) 1
9 Equipment Box Categories SPOJ 1
10 Amr and Pins Categories Codeforces Codeforces Round #287 (Div. 2) 1
11 Maximal Quadrilateral Area Categories SPOJ 1
12 Julka Categories SPOJ 1
13 Fancy Fence Categories Codeforces Codeforces Round #165 (Div. 2) 1
14 Colourful Flowers Categories UVA 1
15 Carmichael Numbers Categories UVA 1
16 One Geometry Problem Categories SPOJ 1
17 Lifting the Stone Categories SPOJ 1
18 Is This Integration ? Categories UVA 1
19 The easiest way Categories UVA 2
20 Doors and Penguins Categories Live Archive 2006 North America - Mid-Atlantic USA & North America - Rocky Mountain 2
21 Coat of Anticubism Categories Codeforces Codeforces Round #349 (Div. 2) 2
22 Packing polygons Categories UVA 2
23 Overlapping Rectangles Categories UVA 2
24 Goal for Raúl Categories SPOJ 2
25 Pouring Rain Categories Codeforces Codeforces Round #349 (Div. 2) 2
26 Trace Categories Codeforces Codeforces Round #110 (Div. 2) 2
27 Area Categories UVA 2
28 Area Categories TJU 2
29 Soya Milk Categories UVA 2
30 The Ant Categories SPOJ 2
31 Bicycle Race Categories Codeforces Codeforces Round #346 (Div. 2) 2
32 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 2
33 Land Acquisition Categories SPOJ 2
34 Railway Categories UVA 2
35 Convex Hull Finding Categories UVA 2
36 Sunny Mountains Categories UVA 2
37 Elevator Categories URI 2
38 Pipe Categories PKU 2
39 Crazy Town Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 2
40 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 3
41 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
42 Constellation Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 3
43 A Problem about Polyline Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
44 SPIRAL RUN Categories SPOJ 3
45 New Year Table Categories Codeforces Codeforces Round #100 3
46 Handball Categories UVA 3
47 Calculate the Area Categories SPOJ 3
48 Bright Lights Categories UVA 3
49 I Conduit Categories SPOJ 3
50 Convex Hull Categories UVA 3
51 Geometry and a Square Categories SPOJ 3
52 Hopscotch Categories Codeforces Codeforces Round #101 (Div. 2) 3
53 Treasure Hunt Categories PKU 3
54 Area of circles Categories SPOJ 3
55 Colourful Flowers Categories URI 3
56 Anton and Lines Categories Codeforces Codeforces Round #329 (Div. 2) 3
57 Vanya and Triangles Categories Codeforces Codeforces Round #308 (Div. 2) 3
58 Gifts in a Hexagonal Box Categories UVA 3
59 Athletics Track Categories UVA 3
60 Bounding box Categories UVA 3
61 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 4
62 Air Strike Categories SPOJ 4
63 Depression Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 4
64 Fence Categories PKU 4
65 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 4
66 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
67 View Angle Categories Codeforces Codeforces Round #159 (Div. 2) 4
68 Running Student Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 4
69 Ancient Berland Circus Categories Codeforces Codeforces Beta Round #1 4
70 Captain Marmot Categories Codeforces Codeforces Round #271 (Div. 2) 4
71 Peter and Snow Blower Categories Codeforces Codeforces Round #339 (Div. 1) & Codeforces Round #339 (Div. 2) 4
72 Will Indiana Jones Get There Categories SPOJ 4
73 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
74 Equilateral Triangle in a Triangle Grid Categories UVA 5
75 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 5
76 Area in Triangle Categories PKU 5
77 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
78 Chip 'n Dale Rescue Rangers Categories Codeforces Codeforces Round #327 (Div. 1) & Codeforces Round #327 (Div. 2) 5
79 Surrounded Categories Codeforces Codeforces Round #120 (Div. 2) 5
80 4-point polyline Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 5
81 Dog Distance Categories UVA 5
82 Restore Cube Categories Codeforces Codeforces Round #265 (Div. 1) 5
83 Cupboard and Balloons Categories Codeforces Codeforces Round #199 (Div. 2) 5
84 Number of Parallelograms Categories Codeforces Educational Codeforces Round 11 5
85 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 5
86 Face the mate Categories SPOJ 5
87 Points on Plane Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 5
88 Tricky Function Categories Codeforces Codeforces Round #245 (Div. 1) 6
89 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 6
90 Rectangle Puzzle Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 6
91 Nearest vectors Categories Codeforces Educational Codeforces Round 1 6
92 All Souls Night Categories UVA 6
93 Maximal Area Quadrilateral Categories Codeforces Codeforces Round #198 (Div. 2) 6
94 Heavy Disc Categories SGU 6
95 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 7
96 Commentator problem Categories Codeforces Codeforces Beta Round #2 7
97 Freelancer's Dreams Categories Codeforces Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2) 7
98 Turn Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 7
99 A Square and Equilateral Triangles Categories UVA 7
100 Vika and Segments Categories Codeforces Codeforces Round #337 (Div. 2) 7
101 Minimum Sum Categories Codeforces School Regional Team Contest, Saratov, 2011 7
102 Harry Potter and the Golden Snitch Categories Codeforces Codeforces Beta Round #60 7
103 Polygons Categories Codeforces Codeforces Round #113 (Div. 2) 7
104 Hill Climbing Categories Codeforces Codeforces Round #238 (Div. 1) 7
105 Robo-Footballer Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 7
106 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
107 Area of Two Circles' Intersection Categories Codeforces Educational Codeforces Round 2 7
108 Sequence of points Categories Codeforces Codeforces Beta Round #24 7
109 Building Bridge Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 7
110 Pyramids Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 7
111 Set of Points Categories Codeforces Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2) 7
112 Sereja and Straight Lines Categories Codeforces Codeforces Round #187 (Div. 1) 8
113 Hide and seek Categories UVA 8
114 Max and Bike Categories Codeforces Codeforces Round #330 (Div. 1) & Codeforces Round #330 (Div. 2) 8
115 Igloo Skyscraper Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) 8
116 Mirror Box Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 8
117 Triangles Categories Codeforces Codeforces Beta Round #13 8
118 Product Sum Categories Codeforces Codeforces Round #344 (Div. 2) 8
119 Zoo Categories Codeforces Croc Champ 2012 - Final 8
120 Guard Towers Categories Codeforces Yandex.Algorithm 2011 Round 1 8
121 Summer Earnings Categories Codeforces Codeforces Round #194 (Div. 1) 8
122 Two Friends Categories Codeforces Codeforces Beta Round #8 8
123 3D Geometry Categories A2 Online Judge 8
124 Paint Tree Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 8
125 Arrow Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 8
126 Deformed Wheel Categories PKU 8
127 Happy Farm 5 Categories Codeforces Codeforces Beta Round #47 8
128 The Child and Polygon Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 8
129 Tavas and Pashmaks Categories Codeforces Codeforces Round #299 (Div. 2) & Codeforces Round #299 (Div. 1) 8
130 Cookie Categories UVA 8
131 Area of a Star Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 8
132 Runaway to a Shadow Categories Codeforces Codeforces Round #357 (Div. 2) 8
133 Space Rescuers Categories Codeforces Codeforces Beta Round #82 (Div. 2) 8
134 Letter A Categories Codeforces Codeforces Beta Round #13 8
135 Special Olympics Categories Codeforces Codeforces Round #125 (Div. 2) 8
136 Alyona and Triangles Categories Codeforces Codeforces Round #358 (Div. 2) 8
137 Very simple problem Categories Codeforces Codeforces Beta Round #51 8
138 Bear and Floodlight Categories Codeforces Codeforces Round #226 (Div. 2) 8
139 Bear and Bowling 4 Categories Codeforces Educational Codeforces Round 11 9
140 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
141 Professor's task Categories Codeforces Codeforces Beta Round #64 9
142 Inquisition Categories Codeforces Codeforces Beta Round #58 9
143 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 9
144 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 9
145 Randomizer Categories Codeforces Codeforces Round #313 (Div. 1) 9
146 Help Greg the Dwarf Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 9
147 Roland and Rose Categories Codeforces Codeforces Round #262 (Div. 2) 9
148 Cannon Categories Codeforces Codeforces Beta Round #44 (Div. 2) 9
149 Stars Categories Codeforces Codeforces Round #131 (Div. 1) 9
150 Ksusha and Square Categories Codeforces Croc Champ 2013 - Round 2 9
151 Corridor Categories Codeforces Yandex.Algorithm 2011 Qualification 2 9
152 Hide-and-Seek Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 9
153 New Year Snowflake Categories Codeforces Codeforces Round #100 9
154 Max and Min Categories Codeforces VK Cup 2015 - Finals, online mirror 9
155 Ship's Shortest Path Categories Codeforces Codeforces Beta Round #67 (Div. 2) 9
156 Rotation Categories Codeforces Unknown Language Round #3 9
157 Tetragon Categories Codeforces Codeforces Beta Round #23 9
158 Save the City! Categories Codeforces Manthan 2011 9
159 Delivering Carcinogen Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 9
160 The Last Hole! Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 9
161 Martian Food Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
162 New Year Tree Decorations Categories Codeforces Good Bye 2013 9
163 Space mines Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) 9
164 Looking for Owls Categories Codeforces Codeforces Round #203 (Div. 2) 9
165 Bowls Categories Codeforces Codeforces Beta Round #36 9
166 Ruminations on Ruminants Categories Codeforces Codeforces Round #334 (Div. 1) 9
167 Archer's Shot Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
168 Emperor's Problem Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 10
169 Gena and Second Distance Categories Codeforces Codeforces Round #253 (Div. 1) 10
170 BerPaint Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
171 Drawing Circles is Fun Categories Codeforces Codeforces Round #219 (Div. 1) 10
172 Martian Colony Categories Codeforces Codeforces Round #109 (Div. 1) 10
173 Cross Sum Categories Codeforces Codeforces Round #336 (Div. 1) 10
174 Alternative Reality Categories Codeforces Codeforces Beta Round #90 10
175 Fox and Meteor Shower Categories Codeforces Codeforces Round #228 (Div. 1) 10
176 Triangles 3000 Categories Codeforces Codeforces Round #296 (Div. 1) 10
177 Ada and Cucumber Categories SPOJ 10
178 Plane of Tanks Categories Codeforces Codeforces Beta Round #66 10
179 Inna and Babies Categories Codeforces Codeforces Round #220 (Div. 2) 10
180 Armistice Area Apportionment Categories Codeforces CROC 2016 - Elimination Round 10
181 Lightbulb for Minister Categories Codeforces Codeforces Round #231 (Div. 2) 10
182 Points in triangle Categories Codeforces VK Cup 2015 - Wild Card Round 1 10
183 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
184 Cut Length Categories Codeforces Educational Codeforces Round 1 10
185 Cookie Clicker Categories Codeforces Codeforces Round #222 (Div. 1) 10
186 Polygon Categories Codeforces Testing Round #6 10
187 Spider Categories Codeforces Codeforces Round #138 (Div. 1) 10
188 BCPC Categories Codeforces Codeforces Round #328 (Div. 2) 10
189 New Year and Cake Categories Codeforces Good Bye 2015 10
190 Mogohu-Rea Idol Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 10
191 Spectator Riots Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 10
192 Vacuum ?leaner Categories Codeforces Codeforces Beta Round #50 10
193 Gears Categories Codeforces Codeforces Round #283 (Div. 1) 10
194 DravDe saves the world Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 10
195 Tennis Rackets Categories Codeforces Croc Champ 2013 - Finals (online version, Div. 1) 10
196 Planar Graph Categories Codeforces Codeforces Round #138 (Div. 1) 10
197 Birthday Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) 10
198 Playing the ball Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 1) 10
199 Contact Categories Codeforces Codeforces Beta Round #62 10
200 Help Greg the Dwarf 2 Categories Codeforces Codeforces Round #102 (Div. 1) 10
201 Darts Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 10