有如下程序运行后,输出结果是( )。main(){ float x=2.0,y;if(x<0.0) y=0.0;else if(x<10.0)y=1.0/x;else y=1.0; printf("%f\n",y);}
·0.000000
·0.250000
·0.500000
·1.000000