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Geometry problems
Problem Name Online Judge Year Contest Difficulty Level
1 Maximal Quadrilateral Area Categories SPOJ 1
2 Equipment Box Categories SPOJ 1
3 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 1
4 Trace Categories Codeforces Codeforces Round #110 (Div. 2) 1
5 One Geometry Problem Categories SPOJ 1
6 Lifting the Stone Categories SPOJ 1
7 Triangle From Centroid Categories SPOJ 1
8 Sphere in a tetrahedron Categories SPOJ 1
9 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
10 The Ant Categories SPOJ 2
11 Depression Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 2
12 Pipe Categories PKU 2
13 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 2
14 Hopscotch Categories Codeforces Codeforces Round #101 (Div. 2) 2
15 Goal for Ral Categories SPOJ 2
16 New Year Table Categories Codeforces Codeforces Round #100 2
17 Area Categories TJU 2
18 Geometry and a Square Categories SPOJ 3
19 Area of circles Categories SPOJ 3
20 I Conduit Categories SPOJ 3
21 Ancient Berland Circus Categories Codeforces Codeforces Beta Round #1 3
22 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 3
23 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 3
24 Doors and Penguins Categories Live Archive 2006 North America - Mid-Atlantic USA & North America - Rocky Mountain 3
25 Calculate the Area Categories SPOJ 3
26 Treasure Hunt Categories PKU 3
27 Handball Categories UVA 4
28 Surrounded Categories Codeforces Codeforces Round #120 (Div. 2) 4
29 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
30 Running Student Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 4
31 Fence Categories PKU 4
32 Air Strike Categories SPOJ 4
33 Dog Distance Categories UVA 5
34 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
35 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 5
36 Will Indiana Jones Get There Categories SPOJ 5
37 Area in Triangle Categories PKU 5
38 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
39 Maximal Area Quadrilateral Categories Codeforces Codeforces Round #198 (Div. 2) 5
40 Land Acquisition Categories SPOJ 5
41 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
42 Face the mate Categories SPOJ 6
43 Building Bridge Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 6
44 Polygons Categories Codeforces Codeforces Round #113 (Div. 2) 6
45 All Souls Night Categories UVA 6
46 Sequence of points Categories Codeforces Codeforces Beta Round #24 6
47 Special Olympics Categories Codeforces Codeforces Round #125 (Div. 2) 7
48 Zoo Categories Codeforces Croc Champ 2012 - Final 7
49 Robo-Footballer Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 7
50 Space Rescuers Categories Codeforces Codeforces Beta Round #82 (Div. 2) 7
51 Paint Tree Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 7
52 Letter A Categories Codeforces Codeforces Beta Round #13 7
53 Commentator problem Categories Codeforces Codeforces Beta Round #2 7
54 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
55 Harry Potter and the Golden Snitch Categories Codeforces Codeforces Beta Round #60 7
56 Minimum Sum Categories Codeforces School Regional Team Contest, Saratov, 2011 7
57 Happy Farm 5 Categories Codeforces Codeforces Beta Round #47 7
58 New Year Snowflake Categories Codeforces Codeforces Round #100 8
59 Two Friends Categories Codeforces Codeforces Beta Round #8 8
60 Cookie Categories UVA 8
61 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 8
62 Very simple problem Categories Codeforces Codeforces Beta Round #51 8
63 Hide and seek Categories UVA 8
64 Stars Categories Codeforces Codeforces Round #131 (Div. 1) 8
65 Guard Towers Categories Codeforces Yandex.Algorithm 2011 Round 1 8
66 Deformed Wheel Categories PKU 8
67 Delivering Carcinogen Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 8
68 Triangles Categories Codeforces Codeforces Beta Round #13 8
69 Bowls Categories Codeforces Codeforces Beta Round #36 9
70 Space mines Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) 9
71 Save the City! Categories Codeforces Manthan 2011 9
72 Corridor Categories Codeforces Yandex.Algorithm 2011 Qualification 2 9
73 Ship's Shortest Path Categories Codeforces Codeforces Beta Round #67 (Div. 2) 9
74 Igloo Skyscraper Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) 9
75 Hide-and-Seek Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 9
76 Tetragon Categories Codeforces Codeforces Beta Round #23 9
77 Martian Food Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
78 Inquisition Categories Codeforces Codeforces Beta Round #58 9
79 Cannon Categories Codeforces Codeforces Beta Round #44 (Div. 2) 9
80 Help Greg the Dwarf Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 9
81 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
82 Archer's Shot Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
83 Professor's task Categories Codeforces Codeforces Beta Round #64 9
84 Rotation Categories Codeforces Unknown Language Round #3 9
85 Planar Graph Categories Codeforces Codeforces Round #138 (Div. 1) 10
86 Plane of Tanks Categories Codeforces Codeforces Beta Round #66 10
87 Vacuum ?leaner Categories Codeforces Codeforces Beta Round #50 10
88 Birthday Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) 10
89 Darts Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 10
90 BerPaint Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
91 Help Greg the Dwarf 2 Categories Codeforces Codeforces Round #102 (Div. 1) 10
92 Alternative Reality Categories Codeforces Codeforces Beta Round #90 10
93 Contact Categories Codeforces Codeforces Beta Round #62 10
94 Spider Categories Codeforces Codeforces Round #138 (Div. 1) 10
95 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
96 Martian Colony Categories Codeforces Codeforces Round #109 (Div. 1) 10
97 Mogohu-Rea Idol Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 10