boj)4344
2020. 8. 29. 20:55ㆍPS/boj
import java.io.*;
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));
int N = Integer.parseInt(br.readLine());
for (int i = 0; i < N; i++) {
StringTokenizer st = new StringTokenizer(br.readLine());
int students = Integer.parseInt(st.nextToken()); // 학생 수
double goodStudents = 0;
double sum = 0;
// 배열 저장
int[] points = new int[students];
for (int j = 0; j < students; j++) {
points[j] = Integer.parseInt(st.nextToken());
sum += points[j];
}
// avg
double avg = sum / students;
// goodStudents
for (int point : points) {
if (point > avg) {
goodStudents++;
}
}
String ans = String.format("%.3f", (goodStudents/students * 100));
bw.append(ans).append("%\n");
}
bw.flush();
bw.close();
}
}
- 막 깔끔하진 않은데 내가 생각했던대로 적어봤음