데이터 비교해서 sink 맞추기

데이터 비교해서 sink 맞추기 

1.소스

#include<string>
#include<iostream>
#include<vector>

using namespace std;


int main( int argc , char ** argv )
{
    vector<string> file;
    vector<string> memory;

    file.push_back("a");
    memory.push_back("a");
    memory.push_back("b");

    vector< vector<string>::iterator > erase_data;
    vector<string>::iterator file_it;
    for( file_it = file.begin(); file_it != file.end(); file_it ++ )
    {
        vector<string>::iterator data_it;
        for( data_it = memory.begin(); data_it != memory.end(); data_it ++ )
        {

            if( (*file_it).compare( (*data_it) ) == 0 )
            {

            }else
            {
                erase_data.push_back( data_it );
            }
        }
    }

    vector< vector<string>::iterator >::iterator erase_it;
    for( erase_it = erase_data.begin(); erase_it!= erase_data.end();erase_it++)
    {
        memory.erase((*erase_it));
    }

    vector<string>::iterator pr_it;
    for( pr_it = memory.begin(); pr_it != memory.end(); pr_it++ )
    {
        cout << *pr_it << endl;
    }
return 0;
}

2.결과

hacker@HACKER:~/cpp$
hacker@HACKER:~/cpp$ g++ -o sink sink.cpp

hacker@HACKER:~/cpp$ ./sink
a