Friend sent today a very special topic：
Topics：There are two array a,b，Size n,Any of the values of the array elements，Disorder；
Requirements：Through the exchange of a,Elements in the b，Elements of array a and b elements in the array, and the difference between the minimum。
I feel familiar at first glance the problem ... ... And domestic c exams almost，But a closer look seems to be a bit more difficult，Do not look like that has a clue what the problem。Ok，[……]