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[Leetcode/Greedy] 1323. Maximum 69 Number 본문

IT/Computer Science

[Leetcode/Greedy] 1323. Maximum 69 Number

Diana Kang 2025. 5. 23. 22:19 

class Solution:
    def maximum69Number (self, num: int) -> int:
        num_str = list(str(num))
        for i in range(len(num_str)):
            if num_str[i] == '6':
                num_str[i] = '9'
                break  # Only change the single element
        return int(''.join(num_str))

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