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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 Sphere in a tetrahedron Categories SPOJ 1
3 Triangle From Centroid Categories SPOJ 1
4 Maximal Quadrilateral Area Categories SPOJ 1
5 Equipment Box Categories SPOJ 1
6 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 1
7 Lifting the Stone Categories SPOJ 1
8 One Geometry Problem Categories SPOJ 1
9 Goal for Raúl Categories SPOJ 2
10 New Year Table Categories Codeforces Codeforces Round #100 2
11 The Ant Categories SPOJ 2
12 Depression Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 2
13 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 2
14 Area Categories TJU 2
15 Trace Categories Codeforces Codeforces Round #110 (Div. 2) 2
16 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 2
17 Hopscotch Categories Codeforces Codeforces Round #101 (Div. 2) 2
18 Pipe Categories PKU 2
19 Calculate the Area Categories SPOJ 3
20 Treasure Hunt Categories PKU 3
21 Ancient Berland Circus Categories Codeforces Codeforces Beta Round #1 3
22 Area of circles Categories SPOJ 3
23 I Conduit Categories SPOJ 3
24 Geometry and a Square Categories SPOJ 3
25 Doors and Penguins Categories Live Archive 2006 North America - Mid-Atlantic USA & North America - Rocky Mountain 3
26 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 3
27 Fence Categories PKU 4
28 Land Acquisition Categories SPOJ 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 Surrounded Categories Codeforces Codeforces Round #120 (Div. 2) 4
32 Handball Categories UVA 4
33 Air Strike Categories SPOJ 4
34 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 4
35 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
36 Area in Triangle Categories PKU 5
37 Maximal Area Quadrilateral Categories Codeforces Codeforces Round #198 (Div. 2) 5
38 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
39 Dog Distance Categories UVA 5
40 Will Indiana Jones Get There Categories SPOJ 5
41 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 5
42 Sequence of points Categories Codeforces Codeforces Beta Round #24 6
43 All Souls Night Categories UVA 6
44 Shooting Gallery Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 6
45 Building Bridge Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 6
46 Polygons Categories Codeforces Codeforces Round #113 (Div. 2) 6
47 Face the mate Categories SPOJ 6
48 Harry Potter and the Golden Snitch Categories Codeforces Codeforces Beta Round #60 7
49 Happy Farm 5 Categories Codeforces Codeforces Beta Round #47 7
50 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
51 Minimum Sum Categories Codeforces School Regional Team Contest, Saratov, 2011 7
52 Special Olympics Categories Codeforces Codeforces Round #125 (Div. 2) 7
53 Zoo Categories Codeforces Croc Champ 2012 - Final 7
54 Robo-Footballer Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 7
55 Space Rescuers Categories Codeforces Codeforces Beta Round #82 (Div. 2) 7
56 Letter A Categories Codeforces Codeforces Beta Round #13 7
57 Commentator problem Categories Codeforces Codeforces Beta Round #2 7
58 Paint Tree Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 7
59 Guard Towers Categories Codeforces Yandex.Algorithm 2011 Round 1 8
60 Hide and seek Categories UVA 8
61 Triangles Categories Codeforces Codeforces Beta Round #13 8
62 Deformed Wheel Categories PKU 8
63 Two Friends Categories Codeforces Codeforces Beta Round #8 8
64 New Year Snowflake Categories Codeforces Codeforces Round #100 8
65 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 8
66 Very simple problem Categories Codeforces Codeforces Beta Round #51 8
67 Cookie Categories UVA 8
68 Stars Categories Codeforces Codeforces Round #131 (Div. 1) 8
69 Martian Food Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
70 Help Greg the Dwarf Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 9
71 Delivering Carcinogen Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 9
72 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
73 Archer's Shot Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
74 Professor's task Categories Codeforces Codeforces Beta Round #64 9
75 Rotation Categories Codeforces Unknown Language Round #3 9
76 Save the City! Categories Codeforces Manthan 2011 9
77 Bowls Categories Codeforces Codeforces Beta Round #36 9
78 Space mines Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) 9
79 Corridor Categories Codeforces Yandex.Algorithm 2011 Qualification 2 9
80 Ship's Shortest Path Categories Codeforces Codeforces Beta Round #67 (Div. 2) 9
81 Igloo Skyscraper Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) 9
82 Tetragon Categories Codeforces Codeforces Beta Round #23 9
83 Inquisition Categories Codeforces Codeforces Beta Round #58 9
84 Cannon Categories Codeforces Codeforces Beta Round #44 (Div. 2) 9
85 Hide-and-Seek Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 9
86 Alternative Reality Categories Codeforces Codeforces Beta Round #90 10
87 Contact Categories Codeforces Codeforces Beta Round #62 10
88 Help Greg the Dwarf 2 Categories Codeforces Codeforces Round #102 (Div. 1) 10
89 Cubes Categories Codeforces Codeforces Round #150 (Div. 1) 10
90 Spider Categories Codeforces Codeforces Round #138 (Div. 1) 10
91 Martian Colony Categories Codeforces Codeforces Round #109 (Div. 1) 10
92 Mogohu-Rea Idol Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 10
93 Vacuum ?leaner Categories Codeforces Codeforces Beta Round #50 10
94 Planar Graph Categories Codeforces Codeforces Round #138 (Div. 1) 10
95 Plane of Tanks Categories Codeforces Codeforces Beta Round #66 10
96 BerPaint Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
97 Birthday Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) 10
98 Darts Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) 10