Project Euler #163: Cross-hatched triangles

Hacker
Rank
Score
241
flag of India
100.00
245
flag of India
100.00
246
flag of India
100.00
249
flag of India
100.00
251
flag of Colombia
100.00
252
flag of India
100.00
253
flag of India
100.00
254
flag of India
100.00
255
flag of India
100.00
259
flag of India
100.00
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