26 lines
367 B
Markdown
26 lines
367 B
Markdown
# 670. Maximum Swap
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You are given an integer num. You can swap two digits at most once to get the maximum valued number.
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Return the maximum valued number you can get.
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Example 1:
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Input: num = 2736
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Output: 7236
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Explanation: Swap the number 2 and the number 7.
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Example 2:
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Input: num = 9973
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Output: 9973
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Explanation: No swap.
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Constraints:
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0 <= num <= 108
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