백준 알고리즘 1546번: 평균 - JAVA

https://www.acmicpc.net/problem/1546

1546번: 평균

 

 

배열을 이용한 풀이

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
import javax.swing.plaf.synth.SynthSeparatorUI;
 
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));
        StringTokenizer st = null;
        
        //테스스 수
        int num = Integer.parseInt(br.readLine());
        
        double [] score = new double[num];
        double sum = 0;
        
        st = new StringTokenizer(br.readLine(), " ");
        double temp = 0;
        for(int i=0; i<num; i++) {
            int sc = Integer.parseInt(st.nextToken());
            if(temp < sc) {
                temp = sc;
            }
            score[i] = sc;
        }
        
        double result = 0;
        for(int i=0; i<num; i++) {
            result = score[i]/temp*100;
            sum+=result;
        }
        
        bw.write(sum/num+"\n");
        
        bw.flush();
        bw.close();
    }
}