include [HTML_REMOVED]
using namespace std;
int main()
{
double a,b,c,d;
double sum,x,y,z;
cin >> a >>b >> c >> d;
sum=a2+b3+c*4+d;
x=sum/10;
printf(“Media: %.1f\n”,sum/10);
if(x>=7.0)printf(“Aluno aprovado.\n”);
if(x<5.0)printf(“Aluno reprovado.\n”);
if(x>=5.0&&x<7.0)
{
printf(“Aluno em exame.\n”);
cin >>y;
printf(“Nota do exame: %.1f\n”,y);
z=(x+y)/2;
if(z>=5)printf(“Aluno aprovado.\n”);
else printf(“Aluno reprovado.\n”);
printf(“Media final: %.1f\n”,z);
}
}
这样的代码风格不太好看,建议改一下。