[백준/JAVA]1546번 평균

문제

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

시험 점수를 입력받아 최고 점수를 기준으로 점수를 조정한 후 평균을 구하는 문제였다.

문제 풀이

1. Scanner

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        
        if (N <= 1000) {
            double sum = 0;
            double maxScore = Integer.MIN_VALUE;

            for (int i = 0; i < N; i++) {
                int a = scanner.nextInt();
                if (a <= 100 && a > 0) {
                    sum += a; 
                    if (a > maxScore) {
                        maxScore = a; 
                    }
                }
            }

            double average = (sum / maxScore) * 100 / N;
            System.out.println(average);
        }
        
        scanner.close();
    }
}

2. BufferedReader 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(reader.readLine());
        
        if (N <= 1000) {
            double sum = 0;
            double maxScore = Integer.MIN_VALUE;

            String[] scores = reader.readLine().split(" ");
            for (int i = 0; i < N; i++) {
                int a = Integer.parseInt(scores[i]);
                if (a <= 100 && a > 0) {
                    sum += a; 
                    if (a > maxScore) {
                        maxScore = a; 
                    }
                }
            }

            double average = (sum / maxScore) * 100 / N;
            System.out.println(average);
        }
    }
}