Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
341
flag of United Kingdom
100.00
342
flag of India
100.00
343
flag of India
100.00
344
flag of India
100.00
345
flag of India
100.00
346
flag of United States
100.00
347
flag of India
100.00
348
flag of United Kingdom
100.00
349
flag of Singapore
100.00
351
flag of India
100.00

[deleted]

352
flag of null
100.00
353
flag of India
100.00
354
flag of United States
100.00
355
flag of United States
100.00
356
flag of Singapore
100.00
357
flag of India
100.00
358
flag of United States
100.00
359
flag of India
100.00
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