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Geometry problems
Problem Name Online Judge Year Contest Difficulty Level
1 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
2 Gleb And Pizza Categories Codeforces Codeforces Round #430 (Div. 2) 1
3 Is This Integration ? Categories UVA 1
4 Gerald's Hexagon Categories Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) 1
5 Beru-taxi Categories Codeforces Codeforces Round #367 (Div. 2) 1
6 One Geometry Problem Categories SPOJ 1
7 Han Solo and Lazer Gun Categories Codeforces Codeforces Round #291 (Div. 2) 1
8 The Grazing Cow Categories UVA 1
9 Lifting the Stone Categories SPOJ 1
10 Currency System in Geraldion Categories Codeforces Codeforces Round #313 (Div. 2) 1
11 Triangle From Centroid Categories SPOJ 1
12 Amr and Pins Categories Codeforces Codeforces Round #287 (Div. 2) 1
13 Area Categories UVA 1
14 Sphere in a tetrahedron Categories SPOJ 1
15 Julka Categories SPOJ 1
16 Equipment Box Categories SPOJ 1
17 Fancy Fence Categories Codeforces Codeforces Round #165 (Div. 2) 1
18 Colourful Flowers Categories UVA 1
19 Mahmoud and a Triangle Categories Codeforces Codeforces Round #396 (Div. 2) 1
20 Maximal Quadrilateral Area Categories SPOJ 1
21 Carmichael Numbers Categories UVA 1
22 Colourful Flowers Categories URI 2
23 Convex Hull Finding Categories UVA 2
24 Rings and Glue Categories UVA 2
25 Doors and Penguins Categories Live Archive 2006 North America - Mid-Atlantic USA & North America - Rocky Mountain 2
26 Sunny Mountains Categories UVA 2
27 Elevator Categories URI 2
28 Athletics Track Categories UVA 2
29 Trace Categories Codeforces Codeforces Round #110 (Div. 2) 2
30 Crazy Town Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 2
31 Goal for Raúl Categories SPOJ 2
32 Gleaming the Cubes Categories UVA 2
33 Area Categories TJU 2
34 The easiest way Categories UVA 2
35 Beavergnaw Categories UVA 2
36 The Ant Categories SPOJ 2
37 Packing polygons Categories UVA 2
38 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 2
39 Land Acquisition Categories SPOJ 2
40 Handball Categories UVA 2
41 Overlapping Rectangles Categories UVA 2
42 Pouring Rain Categories Codeforces Codeforces Round #349 (Div. 2) 2
43 Parallelogram is Back Categories Codeforces Codeforces Round #388 (Div. 2) 2
44 Soya Milk Categories UVA 2
45 Pipe Categories PKU 2
46 Railway Categories UVA 2
47 I Conduit Categories SPOJ 3
48 Anton and Lines Categories Codeforces Codeforces Round #329 (Div. 2) 3
49 Calculate the Area Categories SPOJ 3
50 Gifts in a Hexagonal Box Categories UVA 3
51 Geometry and a Square Categories SPOJ 3
52 New Year Table Categories Codeforces Codeforces Round #100 3
53 Bounding box Categories UVA 3
54 Chocolate Chip Cookies Categories UVA 3
55 Arpa and an exam about geometry Categories Codeforces Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) 3
56 Area of circles Categories SPOJ 3
57 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
58 Constellation Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 3
59 Coat of Anticubism Categories Codeforces Codeforces Round #349 (Div. 2) 3
60 A Problem about Polyline Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
61 The Sultan's Problem Categories UVA 3
62 Mister B and Angle in Polygon Categories Codeforces Codeforces Round #421 (Div. 2) 3
63 SPIRAL RUN Categories SPOJ 3
64 Air Strike Categories SPOJ 3
65 Treasure Hunt Categories PKU 3
66 Bright Lights Categories UVA 3
67 Convex Hull Categories UVA 3
68 Bicycle Race Categories Codeforces Codeforces Round #346 (Div. 2) 3
69 Geometry Problem Categories Live Archive 2009 Asia - Amritapuri 3
70 Depression Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 4
71 Dog Distance Categories UVA 4
72 Fence Categories PKU 4
73 Captain Marmot Categories Codeforces Codeforces Round #271 (Div. 2) 4
74 Peter and Snow Blower Categories Codeforces Codeforces Round #339 (Div. 1) & Codeforces Round #339 (Div. 2) 4
75 Vanya and Triangles Categories Codeforces Codeforces Round #308 (Div. 2) 4
76 Tell Your World Categories Codeforces Codeforces Round #431 (Div. 2) 4
77 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
78 Buns Categories Codeforces Codeforces Beta Round #82 (Div. 2) 4
79 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 4
80 Running Student Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 4
81 Hopscotch Categories Codeforces Codeforces Round #101 (Div. 2) 4
82 The Teacher's Side of Math Categories Live Archive 2007 Asia - Tokyo 4
83 Ancient Berland Circus Categories Codeforces Codeforces Beta Round #1 4
84 Intersection of Two Prisms Categories Live Archive 2010 Asia - Tokyo 4
85 Face the mate Categories SPOJ 4
86 View Angle Categories Codeforces Codeforces Round #159 (Div. 2) 4
87 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 4
88 Will Indiana Jones Get There Categories SPOJ 4
89 An overnight dance in discotheque Categories Codeforces Codeforces Round #418 (Div. 2) 5
90 Number of Parallelograms Categories Codeforces Educational Codeforces Round 11 5
91 Area in Triangle Categories PKU 5
92 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
93 Points on Plane Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 5
94 Tricky Function Categories Codeforces Codeforces Round #245 (Div. 1) 5
95 Surrounded Categories Codeforces Codeforces Round #120 (Div. 2) 5
96 Equilateral Triangle in a Triangle Grid Categories UVA 5
97 Kalila and Dimna in the Logging Industry Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 5
98 Nearest vectors Categories Codeforces Educational Codeforces Round 1 5
99 Chip 'n Dale Rescue Rangers Categories Codeforces Codeforces Round #327 (Div. 1) & Codeforces Round #327 (Div. 2) 5
100 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 5
101 4-point polyline Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 5
102 Restore Cube Categories Codeforces Codeforces Round #265 (Div. 1) 5
103 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
104 Cupboard and Balloons Categories Codeforces Codeforces Round #199 (Div. 2) 5
105 Area of Two Circles' Intersection Categories Codeforces Educational Codeforces Round 2 6
106 Heavy Disc Categories SGU 6
107 Hail Categories Timus 6
108 Maximal Area Quadrilateral Categories Codeforces Codeforces Round #198 (Div. 2) 6
109 Rectangle Puzzle Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 6
110 Rooter's Song Categories Codeforces Codeforces Round #431 (Div. 1) & Codeforces Round #431 (Div. 2) 6
111 Polygons Categories Codeforces Codeforces Round #113 (Div. 2) 6
112 Ada and Cucumber Categories SPOJ 6
113 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 6
114 Fighting Against a Polygonal Monster Categories UVA 6
115 Chris and Road Categories Codeforces Codeforces Round #365 (Div. 2) 6
116 Tower for Cellular Telephony Categories UVA 6
117 All Souls Night Categories UVA 6
118 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
119 Paint Tree Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 7
120 Pyramids Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 7
121 Set of Points Categories Codeforces Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2) 7
122 Robo-Footballer Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 7
123 Minimum Sum Categories Codeforces School Regional Team Contest, Saratov, 2011 7
124 Harry Potter and the Golden Snitch Categories Codeforces Codeforces Beta Round #60 7
125 Freelancer's Dreams Categories Codeforces Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2) 7
126 Product Sum Categories Codeforces Codeforces Round #344 (Div. 2) 7
127 Building Bridge Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 7
128 Turn Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 7
129 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
130 A Square and Equilateral Triangles Categories UVA 7
131 Vika and Segments Categories Codeforces Codeforces Round #337 (Div. 2) 7
132 Sequence of points Categories Codeforces Codeforces Beta Round #24 7
133 Hill Climbing Categories Codeforces Codeforces Round #238 (Div. 1) 7
134 Tavas and Pashmaks Categories Codeforces Codeforces Round #299 (Div. 2) & Codeforces Round #299 (Div. 1) 7
135 Commentator problem Categories Codeforces Codeforces Beta Round #2 7
136 Hide and seek Categories UVA 7
137 Area of a Star Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 8
138 Professor's task Categories Codeforces Codeforces Beta Round #64 8
139 Igloo Skyscraper Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) 8
140 Triangles Categories Codeforces Codeforces Beta Round #13 8
141 Zoo Categories Codeforces Croc Champ 2012 - Final 8
142 Alyona and Triangles Categories Codeforces Codeforces Round #358 (Div. 2) 8
143 Bear and Floodlight Categories Codeforces Codeforces Round #226 (Div. 2) 8
144 Sereja and Straight Lines Categories Codeforces Codeforces Round #187 (Div. 1) 8
145 Bear and Bowling 4 Categories Codeforces Educational Codeforces Round 11 8
146 Guard Towers Categories Codeforces Yandex.Algorithm 2011 Round 1 8
147 Max and Bike Categories Codeforces Codeforces Round #330 (Div. 1) & Codeforces Round #330 (Div. 2) 8
148 Mirror Box Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 8
149 Two Friends Categories Codeforces Codeforces Beta Round #8 8
150 Deformed Wheel Categories PKU 8
151 Happy Farm 5 Categories Codeforces Codeforces Beta Round #47 8
152 Special Olympics Categories Codeforces Codeforces Round #125 (Div. 2) 8
153 Cookie Categories UVA 8
154 Space Rescuers Categories Codeforces Codeforces Beta Round #82 (Div. 2) 8
155 Cheese Categories Timus 8
156 Summer Earnings Categories Codeforces Codeforces Round #194 (Div. 1) 8
157 Arrow Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 8
158 Letter A Categories Codeforces Codeforces Beta Round #13 8
159 The Child and Polygon Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 8
160 Very simple problem Categories Codeforces Codeforces Beta Round #51 8
161 Chapaev Categories Timus 8
162 Runaway to a Shadow Categories Codeforces Codeforces Round #357 (Div. 2) 9
163 The Last Hole! Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 9
164 New Year Tree Decorations Categories Codeforces Good Bye 2013 9
165 Intersect Until You're Sick of It Categories Timus 9
166 Inquisition Categories Codeforces Codeforces Beta Round #58 9
167 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 9
168 Ruminations on Ruminants Categories Codeforces Codeforces Round #334 (Div. 1) 9
169 Help Greg the Dwarf Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 9
170 Karen and Cards Categories Codeforces Codeforces Round #419 (Div. 1) 9
171 Cannon Categories Codeforces Codeforces Beta Round #44 (Div. 2) 9
172 Delivering Carcinogen Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 9
173 Corridor Categories Codeforces Yandex.Algorithm 2011 Qualification 2 9
174 Mouse Categories Timus 9
175 Hide-and-Seek Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 9
176 New Year Snowflake Categories Codeforces Codeforces Round #100 9
177 Ship's Shortest Path Categories Codeforces Codeforces Beta Round #67 (Div. 2) 9
178 Rotation Categories Codeforces Unknown Language Round #3 9
179 Tetragon Categories Codeforces Codeforces Beta Round #23 9
180 Save the City! Categories Codeforces Manthan 2011 9
181 Little Elephant and Triangle Categories Codeforces Codeforces Round #136 (Div. 1) 9
182 Randomizer Categories Codeforces Codeforces Round #313 (Div. 1) 9
183 Roland and Rose Categories Codeforces Codeforces Round #262 (Div. 2) 9
184 Martian Food Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
185 Ksusha and Square Categories Codeforces Croc Champ 2013 - Round 2 9
186 3D Geometry Categories A2 Online Judge 9
187 Space mines Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) 9
188 Max and Min Categories Codeforces VK Cup 2015 - Finals, online mirror 9
189 Bowls Categories Codeforces Codeforces Beta Round #36 9
190 Archer's Shot Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
191 Stars Categories Codeforces Codeforces Round #131 (Div. 1) 9
192 Light Categories Timus 9
193 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
194 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
195 Spectator Riots Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 10
196 Hongcow Draws a Circle Categories Codeforces Codeforces Round #385 (Div. 1) 10
197 BerPaint Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
198 Martian Colony Categories Codeforces Codeforces Round #109 (Div. 1) 10
199 Gears Categories Codeforces Codeforces Round #283 (Div. 1) 10
200 DravDe saves the world Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 10
201 Tennis Rackets Categories Codeforces Croc Champ 2013 - Finals (online version, Div. 1) 10
202 Alternative Reality Categories Codeforces Codeforces Beta Round #90 10
203 Spider Categories Codeforces Codeforces Round #138 (Div. 1) 10
204 Playing the ball Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 1) 10
205 Winding Number Categories Timus 10
206 Looking for Owls Categories Codeforces Codeforces Round #203 (Div. 2) 10
207 Plane of Tanks Categories Codeforces Codeforces Beta Round #66 10
208 Emperor's Problem Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 10
209 Planar Graph Categories Codeforces Codeforces Round #138 (Div. 1) 10
210 Multishot in the Secret Cow Level Categories Timus 10
211 Drawing Circles is Fun Categories Codeforces Codeforces Round #219 (Div. 1) 10
212 Gena and Second Distance Categories Codeforces Codeforces Round #253 (Div. 1) 10
213 Cross Sum Categories Codeforces Codeforces Round #336 (Div. 1) 10
214 Fox and Meteor Shower Categories Codeforces Codeforces Round #228 (Div. 1) 10
215 Triangles 3000 Categories Codeforces Codeforces Round #296 (Div. 1) 10
216 Mogohu-Rea Idol Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 10
217 Mobile Life Categories Timus 10
218 Iron Man Categories Codeforces Codeforces Round #366 (Div. 1) 10
219 Inna and Babies Categories Codeforces Codeforces Round #220 (Div. 2) 10
220 Armistice Area Apportionment Categories Codeforces CROC 2016 - Elimination Round 10
221 Vacuum ?leaner Categories Codeforces Codeforces Beta Round #50 10
222 Lightbulb for Minister Categories Codeforces Codeforces Round #231 (Div. 2) 10
223 Points in triangle Categories Codeforces VK Cup 2015 - Wild Card Round 1 10
224 Birthday Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) 10
225 Cut Length Categories Codeforces Educational Codeforces Round 1 10
226 Contact Categories Codeforces Codeforces Beta Round #62 10
227 Lada Malina Categories Codeforces Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) 10
228 Cookie Clicker Categories Codeforces Codeforces Round #222 (Div. 1) 10
229 Help Greg the Dwarf 2 Categories Codeforces Codeforces Round #102 (Div. 1) 10
230 Polygon Categories Codeforces Testing Round #6 10
231 Darts Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 10
232 BCPC Categories Codeforces Codeforces Round #328 (Div. 2) 10
233 New Year and Cake Categories Codeforces Good Bye 2015 10