Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
381
flag of India
13.33
383
flag of India
13.33
384
flag of Germany
13.33
385
flag of India
13.33
386
flag of Brazil
13.33
388
flag of India
13.33
389
flag of India
13.33
391
flag of India
13.33
392
flag of India
13.33
393
flag of Brazil
13.33
395
flag of Colombia
13.33
396
flag of Hungary
13.33
397
flag of Germany
13.33
399
flag of Turkey
13.33
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