main()
{
float a,b;
int s=a-b;
char c;
printf("請輸入a、b的值:\n");
scanf("%f%f",&a,&b);
printf("if判斷的結果:\n");
if(a==b)
printf("a=b\n");
else if(a<b)
printf("a<b\n");
else
printf("a>b\n");
printf("switch判斷的結果:\n");
if(a>b)s=1;
else if(a<b)s=2;
switch(s)
{
case 0:c='=';break;
case 1:c='>';break;
default:c='<';break;
}
printf("a%cb\n",c);
getch();
}
我就答壹問!!以後有空再答!!