Submission #17948

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Source Code Expand

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Main {
	
	public static void main(String[] args) throws IOException {
		BufferedReader s = new BufferedReader(new InputStreamReader(System.in));
		int[] map = new int[512];
		map['A'] = 4;
		map['B'] = 3;
		map['C'] = 2;
		map['D'] = 1;
		map['F'] = 0;
		s.readLine();
		String line = s.readLine();
		int sum = 0;
		for (int i = 0 ; i < line.length() ; i++) {
			sum += map[line.charAt(i)];
		}
		
		double gpa = sum * 1.0d / line.length();
		System.out.println(gpa);
	}
}

Submission Info

Judge Result