题目：输入一个正整数数组，将它们连接起来排成一个数，输出能排出的所有数字中最小的一个。

For each test case, output the minimum number we can get after no more than M operations.

youdao

题目：输入一个正整数数组，将它们连接起来排成一个数，输出能排出的所有数字中最小的一个。

For each test case, output the minimum number we can get after no more than M operations.

youdao