[백준] 16968번 : 차량 번호판 1 - Java(자바)

https://www.acmicpc.net/problem/16968

import java.util.*;
public class Main {
    public static void main(String args[]) {
      Scanner s=new Scanner(System.in);
      char arr[]=s.next().toCharArray();
      int count=1;
      for(int i=0;i<arr.length;i++){
          if(i==0){
              if(arr[i]=='c') count*=26;
              else count*=10;
          }
          else{
              if(arr[i]==arr[i-1]){
                  if(arr[i]=='c') count*=25;
                  else count*=9;
              }
              else{
                  if(arr[i]=='c') count*=26;
                  else count*=10;
              }
          }
      }
      System.out.print(count);
    }
}