Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
5482
flag of Vietnam
66.67
5483
flag of India
50.00
5484
flag of India
50.00
5485
flag of India
50.00
5486
flag of India
50.00
5487
flag of India
50.00
5488
flag of India
50.00
5489
flag of India
50.00
5490
flag of India
50.00
5491
flag of India
50.00
5492
flag of India
50.00
5493
flag of India
50.00
5494
flag of India
50.00
5495
flag of India
50.00
5496
flag of India
50.00
5497
flag of India
50.00
5498
flag of India
50.00

[deleted]

5499
flag of null
50.00
5500
flag of India
50.00
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