Project Euler #189: Tri-colouring a triangular grid

Hacker
Rank
Score
201
flag of India
50.00
203
flag of India
50.00
204
flag of Turkey
50.00
205
flag of India
50.00
206
flag of India
50.00
207
flag of India
50.00
208
flag of India
50.00
209
flag of United Kingdom
50.00
210
flag of Russia
50.00
213
flag of India
50.00
214
flag of Philippines
50.00
215
flag of India
50.00
217
flag of India
50.00
218
flag of India
50.00
219
flag of Italy
50.00
220
flag of India
50.00
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