bugs.cpp

#include<iostream>
#include<cstdio>
 
using namespace std;
 
int main ( void )
{
    int number;
    string error;
    string line;
    char character;
 
    while ( cin >> number >> error )
    {
        scanf ( "%c", &character); 
        for ( int i = 0; i < number; i++ )
        {
 
            int counter = 0;
            line . clear ();
 
            while ( 1 )
            {
                scanf ( "%c", &character);
                if ( character ==  '\n' )
                {
                    break;
                }
 
                line . push_back ( character );
 
                counter++;
            }
 
            if ( !counter )
            {
                cout << endl;
                continue;
            }
 
            while ( 1 )
            {
                string::size_type n;
 
                n = line . rfind ( error.c_str() );
                if ( n == string::npos )
                 break;
 
                line . erase ( n, error . length () );
 
            }
            cout << line << endl;
        }
    }
}