问交换结构

EN

# include <stdio.h>
# include <stdlib.h>

typedef struct
{
int Employee_id;
char Employee_Name[50];
float Employee_salary;

} employee;

void swap(employee *a,employee *b);

int main(int argc,char* argv[])
{
    int n;
    int iter,iter2,iter3,iter4;
    scanf("%d",&n);
    employee *start = (employee *)malloc(n*sizeof(employee));

    employee temp;

    for (iter = 0; iter < n;iter++)
        {
            scanf("%d",&((*(start+iter)).Employee_id));
            scanf("%s",(*(start+iter)).Employee_Name);
            scanf("%f",&((*(start+iter)).Employee_salary));

        }


    //USING BUBBLE SORT TO SORT ON BASIS OF IDS
    for (iter2 = 1; iter2 <=n; iter2++)
    {
        for (iter3 = 0; iter3 <n-iter2 ; iter3++)
        {
            if ((start[iter3]).Employee_id > (start[iter3+1]).Employee_id)
            {
                swap(&start[iter3+1],&start[iter3]);
            }
        }
    }

    //PRINTING
    for (iter4 = 0; iter4 < n; iter4++)
    {
        printf("%d\n",(*(start+iter4)).Employee_id);
        printf("%s\n",(*(start+iter4)).Employee_Name);
        printf("%f\n",(*(start+iter4)).Employee_salary);
        printf("\n");

    }
    free(start);

return EXIT_SUCCESS;
}





void swap(employee  *a,employee *b)
{
employee temp = *a;
*a = *b;
*b = temp;
}