백준 2941 - 크로아티아 알파벳

 

import java.util.Scanner;

public class B2941 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.next();
        int count = 0;

        for (int i = 0; i < str.length(); i++) {
            if (str.charAt(i) == '=' && i>1) {
                if (str.charAt(i - 1) == 'z' && str.charAt(i-2) =='d') {
                    count--;
                    continue;
                }
            }
            if (str.charAt(i) == '=' && i >= 1) {
                if (str.charAt(i - 1) == 'c' || str.charAt(i - 1) == 's' || str.charAt(i-1) == 'z') {
                   continue;
                }
            }
            if (str.charAt(i) == '-' && i >= 1) {
                if (str.charAt(i - 1) == 'c' || str.charAt(i - 1) == 'd') {
                    continue;
                }
            }
            if (str.charAt(i) == 'j' && i >= 1) {
                if (str.charAt(i - 1) == 'n' || str.charAt(i - 1) == 'l') {
                    continue;
                }
            }
            count++;
        }
        System.out.println(count);
    }
}

 

https://www.acmicpc.net/problem/2941