bugs.c

#include <stdio.h>
 
int main() {
	int i, j, T, pos;
	char B[1005], c;
	while(scanf("%d %s", &T, B) != EOF) {
		for (i=0; i<T; ++i) {
			pos = 0;
			while ((c = getchar()) != '\n') {
				if (c == B[pos])
					++pos;
				else {
					if (pos != 0) {
						for(j=0; j<pos; ++j)
							putchar(B[j]);
						pos = 0;
					}
 
					if (c == B[pos])
						++pos;
					else
						putchar(c);	
				}
 
				if (B[pos]=='\0')
					pos = 0;	
			}
			putchar('\n');	
		}	
	}
 
	return 0;
}