题解 | #最大值#

简单记录

class Solution:
    def maxValue(self , s , k ):
        # 尽量大数在前 
        if len(s) <=k:
            return int(s)
        max_ans = 0
        for i in range(len(s)-k+1):
            num = int(s[i:i+k])
            if num > max_ans:
                max_ans = num 
        return max_ans