Leetcode 1736. Latest Time by Replacing Hidden Digits

Posted 2021-08-01 SnailTyan

文章作者：Tyan
博客：noahsnail.com  |  CSDN  |  简书

1. Description

2. Solution

**解析：**枚举所有可能情况，替换对应的?即可。

• Version 1

class Solution:
    def maximumTime(self, time: str) -> str:
        result = ''
        if time[0] == '?':
            if time[1] < '4' or time[1] == '?':
                result += '2'
            else:
                result += '1'
        else:
            result += time[0]

        if time[1] == '?':
            result += '9' if result[-1] < '2' else '3'
        else:
            result += time[1]

        result += ':'
        result += '5' if time[3] == '?' else time[3]
        result += '9' if time[4] == '?' else time[4]
        return result

Reference

1. https://leetcode.com/problems/latest-time-by-replacing-hidden-digits/