백준공부/java
[백준] 14425번 문자열 집합 문제! (silver 3
gomduri43
2022. 8. 29. 23:40
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.StringTokenizer;
public class Main{
public static void main(String[] args) throws IOException {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(System.out));
HashMap<String,String> map=new HashMap<>();
StringTokenizer st=new StringTokenizer(br.readLine());
int n=Integer.parseInt(st.nextToken());
int m=Integer.parseInt(st.nextToken());
for(int i=0; i<n; i++ ) {
map.put(br.readLine(), "1");
}
int sum=0;
for(int i=0; i<m; i++) {
if(map.get(br.readLine())=="1") {
sum+=1;
}
}
bw.write(sum+"");
bw.flush();
}
}