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๐Ÿƒ‍โ™€๏ธprogrammers/Java

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java x ์‚ฌ์ด์˜ ๊ฐœ์ˆ˜

HYEJU01 2024. 5. 8. 09:16

๐Ÿ’ก x๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๋‚˜๋ˆ  ๋ฐฐ์—ด์— ๋„ฃ๊ณ  ๊ทธ ๊ฐ๊ฐ์˜ ๊ฐ’์˜ ๊ธธ์ด๋ฅผ ๋ฐฐ์—ด์— ๋‚˜์—ดํ•ด์ค˜์•ผํ•œ๋‹ค.

 

๐Ÿ’ฌ split() ๋ฉ”์„œ๋“œ :: ์ฒซ๋ฒˆ์งธ ๋งค๊ฐœ๋ณ€์ˆ˜๋Š” ๊ตฌ๋ถ„์ž, ๋‘๋ฒˆ์งธ ๋งค๊ฐœ๋ณ€์ˆ˜๋Š” ์ตœ๋Œ€ ๋ถ„ํ•  ์ˆ˜

-1 ๋งค๊ฐœ๋ณ€์ˆ˜๋Š” ๊ฒฐ๊ณผ์— ๋์— ์žˆ๋Š” ๋นˆ ๋ฌธ์ž์—ด์„ ํฌํ•จ !!

๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ์ง€์ •ํ•˜์ง€ ์•Š์œผ๋ฉด ๋ณดํ†ต ๊ฒฐ๊ณผ์—์„œ ๋์— ์žˆ๋Š” ๋นˆ ๋ฌธ์ž์—ด์ด ์ƒ๋žต๋จ.

 

์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ฒฐ๊ณผ ๋ฐฐ์—ด์˜ ํฌ๊ธฐ๋ฅผ ์ œํ•œํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. 

์Œ์ˆ˜๊ฐ€ ์•„๋‹Œ ์ •์ˆ˜ ๊ฐ’์ด ์ง€์ •๋œ ๊ฒฝ์šฐ, ๋ฌธ์ž์—ด์€ ์ตœ๋Œ€ ์ง€์ •๋œ ์ˆ˜๋งŒํผ ๋ถ„ํ• ๋ฉ๋‹ˆ๋‹ค.

์Œ์ˆ˜ ๊ฐ’์ด ์ง€์ •๋œ ๊ฒฝ์šฐ, ๊ฒฐ๊ณผ ๋ฐฐ์—ด์— ๋นˆ ๋ฌธ์ž์—ด์ด ํฌํ•จ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 

import java.util.ArrayList;

class Solution {
    public ArrayList<Integer> solution(String myString) {
        ArrayList<Integer> answer = new ArrayList<>();
        String[] str = myString.split("x",-1);
        
        //split ์œผ๋กœ ๋‚˜๋ˆ„๊ณ  -> ๊ฐ๊ฐ ๋ฐฐ์—ด์˜ ๊ธธ์ด๋ฅผ ๋‹ค์‹œ ๋„ฃ์–ด์ค˜์•ผํ•จ
        
         for (String s : str) {
             answer.add(s.length());
         }
        return answer;
    }
}