Class Solution
- java.lang.Object
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- g1301_1400.s1323_maximum_69_number.Solution
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public class Solution extends Object
1323 - Maximum 69 Number.Easy
You are given a positive integer
num
consisting only of digits6
and9
.Return the maximum number you can get by changing at most one digit (
6
becomes9
, and9
becomes6
).Example 1:
Input: num = 9669
Output: 9969
Explanation:
Changing the first digit results in 6669.
Changing the second digit results in 9969.
Changing the third digit results in 9699.
Changing the fourth digit results in 9666.
The maximum number is 9969.
Example 2:
Input: num = 9996
Output: 9999
Explanation: Changing the last digit 6 to 9 results in the maximum number.
Example 3:
Input: num = 9999
Output: 9999
Explanation: It is better not to apply any change.
Constraints:
1 <= num <= 104
num
consists of only6
and9
digits.
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
maximum69Number(int num)
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