main()
{
int x,y;
printf("please input a number:/n");
scanf("%d",&x);
printf("y=%d",x+2);
}
已通过编译
Void main()
{
float x;
scanf("please intput x=%f",&x);
print("y=%f",&(x+2));
}
晕,这么简单都要问
int x;
int y;
scanf("%d",&x);
printf("y=x+2=%d",y=(x+2));
这种程序还是自己编吧