[SWEA][JAVA]D3 : [S/W 문제해결 기본] 3일차 - String

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찾을 문자열에서 검색어가 있으면 수만 세면되니까, replaceAll이용하여 검색어를 *로 대체하고

*를 카운팅함.

 

 

 

import java.util.Scanner;
class Solution{
    public static void main(String args[]) throws Exception {
        Scanner kb = new Scanner(System.in);
        int[] answer=new int[10];
        int cnt=0;
        for(int test_case=0; test_case<10; test_case++){
            int n=kb.nextInt();
            String s=kb.next();
            String f=kb.next();
            f=f.replaceAll(s,"*");
            for(char x:f.toCharArray()){
                if(x=='*')
                    cnt++;
            }
            answer[test_case]=cnt;
            cnt=0;
        }
        for(int i=0; i<answer.length; i++) System.out.println("#"+(i+1)+" "+answer[i]);
 
    }
}