Python | Leetcode Python题解之第443题压缩字符串

题目：

题解：

class Solution:
    def compress(self, chars: List[str]) -> int:
        def reverse(left: int, right: int) -> None:
            while left < right:
                chars[left], chars[right] = chars[right], chars[left]
                left += 1
                right -= 1

        n = len(chars)
        write = left = 0
        for read in range(n):
            if read == n - 1 or chars[read] != chars[read + 1]:
                chars[write] = chars[read]
                write += 1
                num = read - left + 1
                if num > 1:
                    anchor = write
                    while num > 0:
                        chars[write] = str(num % 10)
                        write += 1
                        num //= 10
                    reverse(anchor, write - 1)
                left = read + 1
        return write

原文地址：https://blog.csdn.net/Mopes__/article/details/142625536

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