求大佬解答

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

struct node{
    string A,B;
}dic[110];

string need,zh;
int N;

void check(string man){
    for(int i=0;i<N;i++){
        if(man==dic[i].A){
            cout<<dic[i].B;
            return ;
        }
    }
    cout<<"UNK";
}

string man;

int main(){
//	freopen("dictionary.in","w",stdin);
//	freopen("dictionary.out","r",stdout);
	
    cin>>N;
    for(int i=0;i<N;i++){
        cin>>dic[i].A>>dic[i].B; 
    }
    
    cin.ignore();
    getline(cin, need);
    
    man.clear();
    
    for(int i=0;i<need.length();i++){
        char c = need[i];
        if(c >= 'a' && c <= 'z'){
            man += c;
        }else{
            if(!man.empty()){
                check(man);
                man.clear();
            }
            cout<<c;
        }
    }
    
    if(!man.empty()){
        check(man);
    }
    
    return 0;
}