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Combine the legal minimum
topic description
Given an array, the array contains strings representing non-negative integers, combine all the values in the array to form a number, and output the smallest number.
enter description
An array, the array is not empty, and the array contains strings representing non-negative integers, which can start with 0, for example: ["13", "045", "09", "56"].
The size range of the array: [1, 50]
The length range of each element in the array: [1, 30]