Problem 59736. Counting the occurrences of a digit in a book

The printer has printed a book with 'p' pages. How many times did they use the character 'd'? In other words, how many times does the digit 'd' appear when writing numbers from 1 to 'p'?
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50.0% Correct | 50.0% Incorrect
Last Solution submitted on Apr 28, 2024

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