Project Euler #42: Coded triangle numbers

Hacker
Rank
Score
02
flag of Ukraine
100.00
04
flag of Ukraine
100.00
05
flag of India
100.00
06
flag of Czech Republic
100.00
08
flag of India
100.00
09
flag of Poland
100.00
12
flag of Monaco
100.00
13
flag of United States
100.00
15
flag of France
100.00
17
flag of India
100.00
18
flag of India
100.00
19
flag of India
100.00
20
flag of United States
100.00
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