oj.uz

답안 #331726

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
331726 2020-11-29T18:51:48 Z anishrajeev 마라톤 경주 (COCI14_utrka) Java 11
80 / 80
 537 ms 26752 KB 
import java.io.*;
import java.util.HashMap;
public class utrka {
    public static void main(String[] args) throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        //BufferedReader bf = new BufferedReader(new FileReader("tester.in"));
        PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out));
        int N = Integer.parseInt(bf.readLine());
        HashMap<String, Integer> names = new HashMap<>();
        for(int i = 0; i < N; i++){
            String name = bf.readLine();
            if(names.containsKey(name))names.put(name, names.get(name)+1);
            else names.put(name, 1);
        }
        for(int i = 0; i < N-1; i++){
            String name = bf.readLine();
            names.replace(name, names.get(name)-1);
        }
        for(String s:names.keySet()){
            if(names.get(s)!=0)System.out.println(s);
        }
    }
}

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 8804 KB Output is correct
2 Correct 73 ms 8544 KB Output is correct
3 Correct 105 ms 10260 KB Output is correct
4 Correct 190 ms 12112 KB Output is correct
5 Correct 165 ms 11944 KB Output is correct
6 Correct 390 ms 19552 KB Output is correct
7 Correct 468 ms 23588 KB Output is correct
8 Correct 464 ms 25968 KB Output is correct
9 Correct 537 ms 26752 KB Output is correct
10 Correct 516 ms 26752 KB Output is correct