Submission #18384

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Source Code Expand

import java.util.*;

public class Main
{
	public static void main(String[] args)
	{
		Scanner scanner = new Scanner(System.in);

		int[] po = new int[]{ 4, 3, 2, 1, 0 };
		int p = 0;

		int N = scanner.nextInt();
		String line = scanner.nextLine();
		line = scanner.nextLine();
		
		line = line.replace("F", "E");

		for(char c : line.toCharArray())
		{
			p += 4 - (c - 'A');
		}
		System.out.println((double)((double)p/(double)N));
	}
}

Submission Info

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