Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
321
flag of Norway
100.00
322
flag of China
100.00
323
flag of United States
100.00
324
flag of India
100.00
325
flag of United States
100.00
326
flag of India
100.00
327
flag of Sri Lanka
100.00
328
flag of Switzerland
100.00
329
flag of India
100.00
330
flag of India
100.00
331
flag of India
100.00
332
flag of Denmark
100.00
333
flag of Canada
100.00
334
flag of United States
100.00
336
flag of India
100.00
337
flag of United States
100.00
338
flag of France
100.00
339
flag of India
100.00
340
flag of India
100.00
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