Project Euler #56: Powerful digit sum

Hacker
Rank
Score
421
flag of United States
100.00
422
flag of India
100.00
423
flag of India
100.00
424
flag of Israel
100.00
425
flag of United Kingdom
100.00
426
flag of India
100.00
427
flag of Ukraine
100.00
428
flag of Canada
100.00
429
flag of India
100.00
430
flag of India
100.00
431
flag of India
100.00
432
flag of India
100.00
433
flag of Russian Federation
100.00
434
flag of Mongolia
100.00
435
flag of United States
100.00
436
flag of Mongolia
100.00
437
flag of India
100.00
438
flag of United Kingdom
100.00
439
flag of United Kingdom
100.00
440
flag of India
100.00
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