백준 - 학점 계산

 

노가다였다.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;


public class Main {

    static Integer[] dp;
    static int[] arr;

    public static void main(String[] args) throws IOException {

        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));

        String s = bf.readLine();
        if (s.equals("A+")) {
            System.out.println("4.3");

        } else if (s.equals("A0")) {
            System.out.println("4.0");
        } else if (s.equals("A-")) {
            System.out.println("3.7");
        } else if (s.equals("B+")) {
            System.out.println("3.3");
        } else if (s.equals("B0")) {
            System.out.println("3.0");
        } else if (s.equals("B-")) {
            System.out.println("2.7");
        } else if (s.equals("C+")) {
            System.out.println("2.3");
        } else if (s.equals("C0")) {
            System.out.println("2.0");
        } else if (s.equals("C-")) {
            System.out.println("1.7");
        } else if (s.equals("D+")) {
            System.out.println("1.3");
        } else if (s.equals("D0")) {
            System.out.println("1.0");
        } else if (s.equals("D-")) {
            System.out.println("0.7");
        } else {
            System.out.println("0.0");
        }
    }


}