#include<iostream>
using namespace std;
int main()
{
聽聽聽 double a,b,c;
聽聽聽 char x,y,z;
聽聽聽 cout<<"璇疯緭鍏ョ?鐩?細"<<endl;
聽聽聽 cin>>x>>y>>z;
聽聽聽 cout<<"璇疯緭鍏ュ?搴旀垚缁╋細"<<endl;
聽聽聽 cin>>a>>b>>c;
聽聽聽 cout<<endl;
聽聽聽 cout<<"聽聽聽聽聽聽聽聽鎴愮哗鍗暵犅犅犅犅犅

#include<iostream>
using namespace std;
int main()
{
    double a,b,c;
    char x,y,z;
    cout<<"请输入科目："<<endl;
    cin>>x>>y>>z;
    cout<<"请输入对应成绩："<<endl;
    cin>>a>>b>>c;
    cout<<endl;
    cout<<"        成绩单       "<<endl;
    cout<<"-------------------- "<<endl;
    cout<<"|"<<"x"<<"|"<<"y"<<"|"<<"z"<<"|"<<endl;
    cout<<"|"<<setiosflangs(ios::fixed)<<setiosflangs(ios::right)<<setprectsion(2)<<"a"<<"|"<<"b"<<"|"<<"c"<<endl;
    cout<<"-------------------- "<<endl;
    return 0;
}