[SW Expert Academy] 원재의 메모리 복구하기 (D3)

https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=3&contestProbId=AV19AcoKI9sCFAZN&categoryId=AV19AcoKI9sCFAZN&categoryType=CODE&problemTitle=&orderBy=PASS_RATE&selectCodeLang=ALL&select-1=3&pageSize=10&pageIndex=2

SW Expert Academy

 

 

import java.util.Scanner;
 
public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
 
        int t = sc.nextInt();
 
        for (int tc = 1; tc <= t; tc++) {
 
            String str = sc.next();
 
            char current = str.charAt(0);
 
            int count = 0;
 
            if (current == '1') {
                count++;
            }
 
            for (int i = 1; i < str.length(); i++) {
                if (current != str.charAt(i)) {
                    count++;
                    current = str.charAt(i);
                }
            }
 
            System.out.println("#" + tc + " " + count);
 
        }
 
    }
}