The exercise it to take an array of strings and, using pointers, concatenate them in a new string. I made it work by hard coding the values at each string array index, but I can't figure out how to make it work if the array has NO elements. I think I need to entirely restructure my code...The exercise it to take an array of strings and
阅读背景：
使基于数组的程序在没有元素的情况下工作
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