Simple python


  • 0
    S
    class Solution(object):
        def maximumSwap(self, num):
            """
            :type num: int
            :rtype: int
            """
            curr_max, candidate = -1, (-1,-1)
            nums = list(str(num))
            for i in xrange(-1,-len(nums)-1, -1):
                if nums[i] < nums[curr_max]:
                    candidate = (i, curr_max)
                elif nums[i] > nums[curr_max]:
                    curr_max = i      
            nums[candidate[0]],nums[candidate[1]] = nums[candidate[1]],nums[candidate[0]]
            return int(''.join(nums))
    

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