Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
164
flag of Armenia
61.11
165
flag of United States
61.11
166
flag of India
61.11
167
flag of Germany
58.89
168
flag of Poland
55.56
169
flag of China
53.33
170
flag of United States
50.00
171
flag of Hungary
50.00
172
flag of Turkey
50.00
173
flag of India
50.00
176
flag of India
50.00
177
flag of Republic of Korea
50.00
178
flag of India
50.00
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