#include <stdio.h>

int main(int argc, char * argv[])

{

    int i;

    scanf("%d",&i);

    switch(i)

    {

        case :

        {printf("春");

            break;

        }

        case :

        {

            printf("夏");

            break;

        }

        case :

        {

            printf("秋");

            break;

        }

        case :

        { printf("冬");

        }

        default:

            break;

}

}

enum Season

{
spring,
summer,
autumn,
winter
}
//默认从零开始
enum Season aeason=0;
scanf（"%d,&season"）;
switch(season)
{
case spring:
{
printf("spring");
}
case summer:

{
printf("spring");
}
case autumn:
{
printf("autumn");
]

}

#include <stdio.h>

enum Season

{

    spring=,

    summer,

    autumn,

    winter

};

typedef enum Season myseason ;//为现有类型创建一个别名

int main(int argc, char * argv[])

{

        //默认从零开始

    myseason season=;

    scanf("%d",&season);

    switch(season)

    {

        case spring:

        {

            printf("spring");

            break;        }

        case summer:

        {

            printf("summer");

            break;

        }

        case autumn:

        {

            printf("autumn");

            break;

        }

            case winter:

        {

            printf("winter");

            break;

        }

            default:

        {

            printf("未知");

        }

}

}