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java solution
import java.io.*; import java.util.*; import java.util.regex.Pattern; import java.util.regex.Matcher; public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = Integer.parseInt(scanner.nextLine()); StringBuilder sentenceBuilder = new StringBuilder(); for (int i = 0; i < n; i++) { sentenceBuilder.append(scanner.nextLine()); sentenceBuilder.append("\n"); } String sentence = sentenceBuilder.toString(); int q = Integer.parseInt(scanner.nextLine()); for (int j = 0; j < q; j++) { Pattern pattern = Pattern.compile(String.format("\\w%s\\w", scanner.nextLine())); Matcher matcher = pattern.matcher(sentence); Integer count = 0; while (matcher.find()) count++; System.out.println(count); } } }
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java solution