[C] 구조체 배열, 데이터 담아서 sorting 하기(버블정렬)

구조체 배열, 데이터 담아서 sorting 하기(버블정렬)

#include <stdio.h>

#include <string.h>

typedef struct _employee

{

    char name[10];

    int  age;

    char company[20];

}employee;

employee em_arr[3];

int main (void)

{

    int i;

    for ( i=0; i<3; i++)

    {

    printf("Input [%d]st employee's information\n", i+1);

    printf("name:");

    scanf("%s", em_arr[i].name);

    printf("age:");

    scanf("%d", &em_arr[i].age);

    printf("company:");

    scanf("%s", em_arr[i].company);

    }

    //sorting

    int j;

    char temp_name[10];

    int  temp_age;

    char temp_company[20];

    for ( i=0; i<3; i++)

    {

        for ( j=0; j<3-(i+1); j++)

        {

            if (strcmp(em_arr[j].name, em_arr[j+1].name) > 0 )

            {

                strcpy (temp_name, em_arr[j].name);

                temp_age =  em_arr[j].age;

                strcpy (temp_company, em_arr[j].company);

                strcpy (em_arr[j].name, em_arr[j+1].name);

                em_arr[j].age = em_arr[j+1].age;

                strcpy (em_arr[j].company, em_arr[j+1].company);

                

                strcpy (em_arr[j+1].name, temp_name);

                em_arr[j+1].age = temp_age;

                strcpy (em_arr[j+1].company, temp_company);

             }

        }

    }

    for ( i=0; i<3; i++)

    {

        printf("\n====%dst employee's information ====\n", i+1);

        printf("name:%s\n", em_arr[i].name);

        printf("age: %d\n", em_arr[i].age);

        printf("company: %s\n", em_arr[i].company);

    }

    return 0;

}