[백준] 5622 - 다이얼 - JAVA[자바]

 

 

 

Switch 구문을 이용하면 편하다

 

https://ch-programmer.tistory.com/64

[조건문] switch-case vs if-else

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

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str = br.readLine();
        int answer = 0;
        
        for (int i = 0; i<str.length(); i++){
            switch(str.charAt(i)) {
                case 'A': case 'B': case 'C':
                    answer += 3;
                    break;
                    
                case 'D': case 'E': case 'F':
                    answer += 4;
                    break;
                    
                case 'G': case 'H': case 'I':
                    answer += 5;
                    break;
                
                case 'J': case 'K': case 'L':
                    answer += 6;
                    break;
                    
                case 'M': case 'N': case 'O':
                    answer += 7;
                    break;
                    
                case 'P': case 'Q': case 'R': case 'S':
                    answer += 8;
                    break;
                    
                case 'T': case 'U': case 'V':
                    answer += 9;
                    break;
                    
                case 'W': case 'X': case 'Y': case 'Z':
                    answer += 10;
                    break;
            } 
        }
        System.out.print(answer);
     }
 }