Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
262
flag of India
50.00
263
flag of India
50.00
264
flag of United States
48.89
265
flag of Russia
48.89
266
flag of Turkey
40.00
269
flag of Sweden
38.89
270
flag of India
38.89
272
flag of India
38.89
274
flag of United Kingdom
38.89
275
flag of Austria
38.89
277
flag of United States
38.89
278
flag of Uzbekistan
38.89
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