感谢牛亮同学提供的代码👍

#include<bits/stdc++.h> 
using namespace std; 
int main(){ 
    char E,e,N,n,S,s,W,w; 
	cin>>n; 
	if(n=='E' or n=='e'){ 
	    cout<<"East"; 
	} 
	else if(n=='W' or n=='w'){ 
	    cout<<"West"; 
	} 
	else if(n=='S' or n=='s'){ 
	    cout<<"South"; 
	} 
	else if(n=='N' or n=='n'){ 
	    cout<<"North"; 
	} 
	else{ 
	    cout<<"Wrong";
    } 
	return 0; 
}

#include<bits/stdc++.h> using namespace std; int main(){ char E,e,N,n,S,s,W,w; cin>>n; if(n=='E' or n=='e') { cout<<"East"; } else if(n=='W' or n=='w') { cout<<"West"; } else if(n=='S' or n=='s') { cout<<"South"; } else if(n=='N' or n=='n') { cout<<"North"; } else { cout<<"Wrong"; } return 0; }~~~~

#include<bits/stdc++.h> using namespace std; int main(){ char E,e,S,s,W,w,N,n; cin>>n; if(n=='E' or n=='e') cout<<"East"; else if(n=='S' or n=='s') cout<<"South"; else if(n=='W' or n=='w') cout<<"West"; else if(n=='N' or n=='n') cout<<"North"; else cout<<"Wrong"; return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char E,e,N,n,S,s,W,w; cin>>n; if(n=='E' or n=='e') { cout<<"East"; } else if(n=='W' or n=='w') { cout<<"West"; } else if(n=='S' or n=='s') { cout<<"South"; } else if(n=='N' or n=='n') { cout<<"North"; } else { cout<<"Wrong"; } return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char n,e,E,S,s,W,w,N; cin>>n; if(n=='e' or n=='E'){ cout<<"East"; }else if(n=='S' or n=='s'){ cout<<"South"; }else if(n=='W' or n=='w'){ cout<<"West"; }else if(n=='N' or n=='n') cout<<"North"; else cout<<"Wrong"; return 0; }//***输入看成5了