Project Euler #56: Powerful digit sum

Hacker
Rank
Score
61
flag of India
100.00
63
flag of India
100.00
64
flag of India
100.00
65
flag of India
100.00
66
flag of Ukraine
100.00
67
flag of United States
100.00
70
flag of India
100.00
71
flag of India
100.00
72
flag of India
100.00
73
flag of India
100.00
74
flag of United Kingdom
100.00
75
flag of United States
100.00
76
flag of India
100.00
77
flag of China
100.00
78
flag of Czech Republic
100.00
79
flag of China
100.00
80
flag of United States
100.00
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