以下各选项企图说明一种新的类型名,其中正确的是()A. typedef vl int;B. typedef v2 =int;C. typedefvl int v3;D. typedef v4 : int;
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若变量已正确说明为float类型,要通过语句scanf("%f %f%f",&a,&b,&c);给a赋予10.0,b赋予22.0,c赋予33.0,正确的输入形式是()。
A. 102233
B. 10.0,22.0,33.0
C. 10.022.033.0
D. 10; 22;33
查看如下代码,输出结果为:#includevoid main(){ int a=2; printf("%2d\n",a);}
A. 2d
B. a
C. 2
D. 【空格】2
如下程序,输入错误的为:void main(){ int a; int b; scanf("%d%d",&a,&b); printf("%d %d",a,b);}
A. 1【空格】2【回车】
B. 1【 Tab】2【回车】
C. 1【回车】2【回车】
D. 1【分号】2【回车】
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