• 문제 링크
https://www.acmicpc.net/problem/27964
• 풀이 코드
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashSet;
import java.util.Set;
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));
Set<String> set = new HashSet<>();
int n = Integer.parseInt(br.readLine());
StringTokenizer st = new StringTokenizer(br.readLine());
while (n-- > 0) {
String s = st.nextToken();
if (s.endsWith("Cheese")) set.add(s);
}
bw.write(set.size() > 3 ? "yummy" : "sad");
bw.flush();
}
}
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