Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
301
flag of United States
36.67
303
flag of India
34.44
304
flag of Japan
30.00
305
flag of United States
28.89
306
flag of India
28.89
307
flag of India
27.78
308
flag of Spain
27.78
310
flag of India
26.67
311
flag of Georgia
26.67
312
flag of India
26.67
313
flag of India
26.67
314
flag of India
26.67
315
flag of India
26.67
316
flag of India
26.67
317
flag of India
26.67
318
flag of India
26.67
319
flag of India
26.67
320
flag of India
26.67
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