Class Solution
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- g0201_0300.s0233_number_of_digit_one.Solution
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public class Solution extends Object
233 - Number of Digit One\. Hard Given an integer `n`, count _the total number of digit_ `1` _appearing in all non-negative integers less than or equal to_ `n`. **Example 1:** **Input:** n = 13 **Output:** 6 **Example 2:** **Input:** n = 0 **Output:** 0 **Constraints:** *0 <= n <= 109
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
countDigitOne(int n)
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