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A decimal number is called deci-binary if each of its digits is either 0 or 1 without any leading zeros. For example, 101 and 1100 are deci-binary, while 112 and 3001 are not.
Given a string n that represents a positive decimal integer, return the minimum number of positive deci-binary numbers needed so that they sum up to n.
Example 1:
Input: n = "32"
Output: 3
Explanation: 10 + 11 + 11 = 32
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Example 2:
Input: n = "82734"
Output: 8
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Example 3:
Input: n = "27346209830709182346"
Output: 9
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Constraints:
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1 <= n.length <= 105
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n consists of only digits.
•
n does not contain any leading zeros and represents a positive integer.
