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import java.util.Scanner; import java.io.BufferedReader; import java.io.InputStreamReader; import java.lang.*; import java.io.IOException; class Butg{ int numberOfLines = 0; while(sc.hasNext()){ numberOfLines = sc.nextInt(); regex = sc.next(); for(int i = 0; i < numberOfLines; i++){ pattern = sc.nextLine(); pattern = pattern.replaceAll(regex, ""); } } } }