nextBeautifulYear
It seems like the year of 2013 came only yesterday. Do you know a curious fact? The year of 2013 is the first year after the old 1987 with only distinct digits.
Now you are suggested to solve the following problem: given a year number, find the minimum year number which is strictly larger than the given one and has only distinct digits.
Example
- For
y = 1987the output should benextBeautifulYear(y) = 2013
Input/Output
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[Execution time limit] 0.5 seconds.
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[Input] integer y
Guaranteed constraints:1000 <= y <= 9000 - [Output] integer
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