๐ŸŒ  ๋ฌธ์ œ

๋‘ ๋ฐฐ์—ด์ด ์–ผ๋งˆ๋‚˜ ์œ ์‚ฌํ•œ์ง€ ํ™•์ธํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด ๋ฐฐ์—ด s1๊ณผ s2๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ ๊ฐ™์€ ์›์†Œ์˜ ๊ฐœ์ˆ˜๋ฅผ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.

๐ŸŒ  ์ œํ•œ์‚ฌํ•ญ

  • 1 ≤ s1, s2์˜ ๊ธธ์ด ≤ 100
  • 1 ≤ s1, s2์˜ ์›์†Œ์˜ ๊ธธ์ด ≤ 10
  • s1๊ณผ s2์˜ ์›์†Œ๋Š” ์•ŒํŒŒ๋ฒณ ์†Œ๋ฌธ์ž๋กœ๋งŒ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค
  • s1๊ณผ s2๋Š” ๊ฐ๊ฐ ์ค‘๋ณต๋œ ์›์†Œ๋ฅผ ๊ฐ–์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๐ŸŒ  ์ž…์ถœ๋ ฅ ์˜ˆ

s1 s2 result
["a", "b", "c"] ["com", "b", "d", "p", "c"] 2
["n", "omg"] ["m", "dot"] 0

๐ŸŒ  ์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช…

์ž…์ถœ๋ ฅ ์˜ˆ #1

  • "b"์™€ "c"๊ฐ€ ๊ฐ™์œผ๋ฏ€๋กœ 2๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #2

  • ๊ฐ™์€ ์›์†Œ๊ฐ€ ์—†์œผ๋ฏ€๋กœ 0์„ returnํ•ฉ๋‹ˆ๋‹ค.

๐Ÿงž ํ’€์ด

function solution(s1, s2) {
    let answer = 0;
    if (s1.length >= s2.length) {
        while (s2.length != 0) {
            let tmp = s2.shift();
            if (s1.indexOf(tmp) != -1) {
                answer += 1;
            }
        }
    } else {
        while (s1.length != 0) {
            let tmp = s1.shift();
            if (s2.indexOf(tmp) != -1) {
                answer += 1;
            }
        }
    }
    return answer;
}

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