C ++ STL map A1022. Digital Library (30) (note string read)

 

 

#include <bits / STDC ++ H.> 
#include <math.h> 
#include < String >
 a using  namespace std;
 // 5 Ge map variables to establish title, author, keyword, publisher and year of publication with id mapping respectively relationship 
Map < String , SET < int >> mpTitle, mpAuthor, mpKey, mpPub, mpYear;
 void Query (Map < String , SET < int >> & MP, String & STR) {
     IF (mp.find (STR) == mp.end ()) { 
        the printf ( " Not Found \ n- " );
    }else{
        for(set<int>::iterator it = mp[str].begin();it != mp[str].end();++it){
            printf("%d\n",*it);
        }
    }
}
int main(){
    int n,m,id,type;
    string title,author,key,pub,year;
    scanf("%d",&n);//书的数目
    for(int i =0;i<n;++i){
        scanf("%d",&id);
        chargetchar = C (); // receiving id off wrap behind 
        getline (CIN, title); // read the title of title 
        mpTitle [title] .insert (id); 
        getline (CIN, author); // read OF author 
        mpAuthor [author] .insert (ID);
         the while (CIN >> Key) { 
            mpKey [Key] .insert (ID); 
            C = getchar ();
             IF (C == ' \ n- ' ) {
                 BREAK ; 
            } 
        } 
        getline (CIN, Pub); 
        mpPub [Pub] .insert (ID);  
        getline (CIN, year);
        mpYear [year] .insert (ID); 
    }
    string temp;
    scanf("%d",&m);
    for(int i =0;i<m;++i){
        scanf("%d：",&type);
        getline(cin,temp);
        cout<<type<<": "<<temp<<endl;
        if(type == 1){
            query(mpTitle,temp);
        }else if(temp == 2){
            query(mpAuthor,temp);
        }else if(temp == 3){
            query(mpKey,temp);
        }else if(temp == 4){
            query(mpPub,temp);
        }else{
            query(mpYear,temp);
        }
    }
    system("pause");
    return 0;
}