백준 2941 / 자바

크로아티아 알파벳

www.acmicpc.net/problem/2941

2941번: 크로아티아 알파벳

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

public class Main {

	public static void main(String[] args) throws IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		
		String input = br.readLine();
		int count = 0;
		
		for(int i=0; i<input.length(); i++) {
			count++;
			if(input.charAt(i)=='='&&i>0) {
				if(i>1&&input.charAt(i-2)=='d'&&input.charAt(i-1)=='z') {
					count-=2;
				}
				else if(input.charAt(i-1)=='c'||input.charAt(i-1)=='s'||input.charAt(i-1)=='z') {
					count-=1;
				}
			}
			else if(input.charAt(i)=='-'&&i>0) {
				if(input.charAt(i-1)=='c'||input.charAt(i-1)=='d')
				count-=1;
			}
			else if(input.charAt(i)=='j'&&i>0) {
				if(input.charAt(i-1)=='l'||input.charAt(i-1)=='n') {
					count-=1;
				}
			}	
		}
		bw.append(Integer.toString(count));
		bw.flush();			
	}
}