请问为什么这里显示这个错误呢

Question

#include<iostream>  
#include<iomanip>
using namespace std;
int main()
{
    cout<<setw(4)<<*<<endl;   error C2059: syntax error : '<<'__
    cout<<setw(3)<<* *<<endl;
    cout<<setw(2)<<*   *<<endl;
    cout<<setw(1)<<*     *<<endl;
    cout<<*********<<endl;
    return 0;

Answer 1

需要加上引号

#include <bits/stdc++.h>
using namespace std;

int main()
{
    cout<<setw(4)<<"*"<<endl;
    cout<<setw(3)<<"* *"<<endl;
    cout<<setw(2)<<"*   *"<<endl;
    cout<<setw(1)<<"*     *"<<endl;
    cout<<"*********"<<endl;
    return 0;
}