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