My LeetCode grinding. Trying to do a problem a day.
Nevar pievienot vairāk kā 25 tēmas
Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
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- Given a positive integer num consisting only of digits 6 and 9.
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- Return the maximum number you can get by changing at most one digit (6 becomes 9, and 9 becomes 6).
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