Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
5842
flag of India
16.67
5844
flag of India
16.67
5846
flag of India
16.67
5847
flag of India
16.67
5848
flag of India
16.67
5849
flag of India
16.67
5854
flag of India
16.67
5856
flag of United Kingdom
16.67

[deleted]

5857
flag of null
16.67
5860
flag of India
16.67
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