华为面试sort

#include <string.h>
struct A{
       int id;
       char *name;
}

int compare_A(const struct A* a1, const struct A* a2 ){
       if (a1->id > a2-> id)
               return 1;
       else if (a1->id < a2->id)
               return -1;
       else{
               if(strcmp(a1->name. a2->name) >= 0)
                       return 1;
               else
                       return -1;
       }
}

void sort_A(struct A [] input, unsigned int n){
       int i,j;
   int temp;
   for(i=1;i<n;i++)
   {
               temp = input[i];
               for(j=i ; j>0 && compare_A(temp, input[j-1]) < 0 ; j--)
               {
                       input[j]=input[j-1];
               }
       input[j+1]=temp;

}