bugs.cpp

#include <cstdio>
#include <iostream>
#include <string>
 
using namespace std;
 
int main (void)
{
	string bug_str;
	string line_str;
 
	string s;
 
	int lines;
	unsigned int pozice;
	int start;
	int bug_len;
 
	while(scanf("%d", &lines) == 1) {
		getline(cin,bug_str);
		bug_str.erase(0,1);
		bug_len = bug_str.length();
 
		for (int i = 0; i < lines; i++) {			
			s = "";		
			getline(cin, line_str);
			s.append(line_str);
 
			start = 0;	
			pozice = s.find(bug_str);
			if (pozice == string::npos) {
				cout << s << endl;	
			}
			else {
				start = pozice;
				s.erase(start, bug_len);
 
				while (1) {
					pozice = s.find(bug_str,start);
					if (pozice == string::npos) break;
 
					start = pozice;
					s.erase(start, bug_len);
				}
 
				cout << s << endl;	
			}
		}
	}
	return 0;
}