We'll define S ( n ) for positive integer n as follows: the number of the n 's digits in the decimal base. For example, S (893)?=?3 , S (114514)?=?6 . You want to make a consecutive integer sequence starting from number m ( m ,? m ??1,?...
we'll define s(n) for positive integer n as follows: the number of the n's digits in the decimal base. for example,s(893)?=?3, s(114514)?=?6.
You want to make a consecutive integer sequence starting from number m (m,?m?+?1,?...). But you need to payS(n)·k to add the number n to the sequence.
You can spend a cost up to w, and you want to make the sequence as long as possible. Write a program that tells sequence's maximum length.
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