Project Euler #56: Powerful digit sum

Hacker
Rank
Score
642
flag of United States
100.00
643
flag of Israel
100.00
644
flag of United Kingdom
100.00
645
flag of India
100.00
646
flag of United States
100.00
647
flag of United States
100.00
648
flag of United States
100.00
649
flag of Viet Nam
100.00
651
flag of India
100.00
652
flag of India
100.00
653
flag of United States
100.00
654
flag of India
100.00
655
flag of India
100.00
656
flag of India
100.00
657
flag of India
100.00
658
flag of India
100.00
659
flag of India
100.00
660
flag of Germany
100.00
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