Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
181
flag of Republic of Korea
50.00
182
flag of United States
50.00
183
flag of India
50.00
188
flag of Italy
50.00
189
flag of Taiwan
50.00
190
flag of India
50.00
191
flag of United States
50.00
192
flag of India
50.00
193
flag of India
50.00
195
flag of India
50.00
196
flag of Turkey
50.00
197
flag of India
50.00
198
flag of India
50.00
199
flag of India
50.00
200
flag of India
50.00
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