9 lines
363 B
Markdown
9 lines
363 B
Markdown
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An irrational decimal fraction is created by concatenating the positive integers:
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0.123456789101112131415161718192021...
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It can be seen that the 12th digit of the fractional part is 1.
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If d(n) represents the nth digit of the fractional part, find the value of the following expression.
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d(1) × d(10) × d(100) × d(1000) × d(10000) × d(100000) × d(1000000)
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