經(jīng)過以下語句定義后,表達式z+=x>y?++x:++y的值為(). int x=1,y=2,z=3;
A.2 B.3 C.6 D.5
下列程序的輸出結(jié)果為(). main() {int m=7,n=4; float a=38.4,b=6.4,x; x=m/2+n*a/b+1/2; printf("%f\n",x); }
A.27.000000 B.27.500000 C.28.000000 D.28.500000
下列程序段的輸出結(jié)果為(). float x=213.82631; printf("%3d",(int)x);
A.213.82 B.213.83 C.213 D.3.8