Project Euler #44: Pentagon numbers

Hacker
Rank
Score
02
flag of Ukraine
100.00
03
flag of United States
100.00
04
flag of Belgium
100.00
05
flag of China
100.00
06
flag of Ukraine
100.00
07
flag of United States
100.00
08
flag of Ukraine
100.00
09
flag of Ukraine
100.00
10
flag of Czech Republic
100.00
11
flag of India
100.00
12
flag of India
100.00
14
flag of France
100.00
15
flag of United States
100.00
17
flag of Poland
100.00
18
flag of United Kingdom
100.00
19
flag of United States
100.00
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