๐Ÿ“ใ‚ณใƒผใƒ‡ใ‚ฃใƒณใ‚ฐใƒ†ใ‚นใƒˆ็ทด็ฟ’ | ้ƒจๅˆ†ใฎๆ–‡ๅญ—ๅˆ—็ขบ่ช

yvonneยท2025๋…„ 1์›” 13์ผ
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1.ๅ•้กŒ

  • ๋ถ€๋ถ„ ๋ฌธ์ž์—ด์ด๋ž€ ๋ฌธ์ž์—ด์—์„œ ์—ฐ์†๋œ ์ผ๋ถ€๋ถ„์— ํ•ด๋‹นํ•˜๋Š” ๋ฌธ์ž์—ด์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
    ์˜ˆ๋ฅผ ๋“ค์–ด, ๋ฌธ์ž์—ด "ana", "ban", "anana", "banana", "n"๋Š” ๋ชจ๋‘ ๋ฌธ์ž์—ด "banana"์˜ ๋ถ€๋ถ„ ๋ฌธ์ž์—ด์ด์ง€๋งŒ, "aaa", "bnana", "wxyz"๋Š” ๋ชจ๋‘ "banana"์˜ ๋ถ€๋ถ„ ๋ฌธ์ž์—ด์ด ์•„๋‹™๋‹ˆ๋‹ค.

  • ๋ฌธ์ž์—ด my_string๊ณผ target์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, target์ด ๋ฌธ์ž์—ด my_string์˜ ๋ถ€๋ถ„ ๋ฌธ์ž์—ด์ด๋ผ๋ฉด 1์„, ์•„๋‹ˆ๋ผ๋ฉด 0์„ return ํ•˜๋Š” solution ํ•จ์ˆ˜๋ฅผ ์ž‘์„ฑํ•ด ์ฃผ์„ธ์š”.


2. ๅ…ฅๅ‡บๅŠ›ไพ‹

my_stringtargetresult
"banana""ana" 1
"banana""wxyz"0

3.็งใฎใ‚ณใƒผใƒ‰

 class Solution {
   public int solution(String my_string, String target) {
       int answer = 0;
       if (my_string.contains(target)) {
           return answer = 1;
       }
       return answer;
   }
}

๐Ÿ’กใƒใ‚คใƒณใƒˆ

โ‘  contains( ) ใƒกใ‚ฝใƒƒใƒ‰

  • ๋ฌธ์ž์—ด์ด ๋‹ค๋ฅธ ๋ฌธ์ž์—ด์„ 'ํฌํ•จ'ํ•˜๋Š”์ง€ ์—ฌ๋ถ€๋ฅผ ํ™•์ธ
  • booleanํ˜•์˜ ๊ฐ’์„ ๋ฆฌํ„ด
  • ๋Œ€/์†Œ๋ฌธ์ž๋ฅผ ๊ตฌ๋ถ„ํ•œ๋‹ค
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