编程题：为枚举类型变量赋值。将整型值强制类型转换成枚举类型赋值

编程题：为枚举类型变量赋值。将整型值强制类型转换成枚举类型赋值  

#include<stdio.h>

void main()

{ enum season {spring,summer,autumn,winter}s1,s2;

  s1=summer;

  s2=(enum season)2;

  printf("s1=%d,s2=%d\n",s1,s2);

}