Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
5381
flag of India
100.00
5383
flag of Switzerland
100.00
5385
flag of Viet Nam
100.00
5387
flag of India
100.00
5388
flag of India
100.00
5389
flag of India
100.00
5390
flag of India
100.00
5392
flag of India
100.00
5397
flag of India
100.00
5398
flag of India
100.00
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