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[LeetCode] Valid Anagram

๋ฌธ์ œ๋งํฌ

 

Valid Anagram - LeetCode

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๋‘ ๋ฌธ์ž์—ด์ด anagram์ธ์ง€ ํŒ๋ณ„ํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค.
* anagram : ํ•œ ๋ฌธ์ž์—ด์˜ ๋‹จ์–ด๋ฅผ ๋ชจ๋‘ ์‚ฌ์šฉํ•ด์„œ ๋‹ค๋ฅธ ๋ฌธ์ž์—ด์„ ๋งŒ๋“œ๋Š” ๋†€์ด

์ ‘๊ทผ ๋ฐฉ๋ฒ•

๋‘ ๋ฌธ์ž์—ด์„ ๋ฐฐ์—ด๋กœ ๋ณ€ํ™˜ํ•˜๊ณ  ์ •๋ ฌํ•œ ๋’ค, ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ๊ฐ™์€์ง€ ๊ตฌํ•˜์˜€๋‹ค.

โ€ป ๋ฐฐ์—ด์€ ์ฐธ์กฐํ˜• ๋ฐ์ดํ„ฐ ๊ตฌ์กฐ์ด๊ธฐ ๋•Œ๋ฌธ์— ๋‚ด์šฉ์ด ๊ฐ™์•„๋„ ์ฃผ์†Œ๊ฐ€ ๋‹ฌ๋ผ ๊ทธ๋Œ€๋กœ ๋น„๊ต ์—ฐ์‚ฐ์ž๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋‹ค.

๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๋ฐฉ๋ฒ•

1. JSON.stringify๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜๊ณ  ๋น„๊ต

2. join("")์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ๋น„๊ต

3. toString()์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ๋น„๊ต

1, 2, 3์€ ์†๋„์—์„œ ๋ณ„๋‹ค๋ฅธ ์ฐจ์ด๋ฅผ ๋ณด์ด์ง€ ์•Š์•˜๋‹ค.

 

/**
 * @param {string} s
 * @param {string} t
 * @return {boolean}
 */
var isAnagram = function(s, t) {
    // return s.split("").sort().join("") === t.split("").sort().join("") 
    // return s.split("").sort().toString() === t.split("").sort().toString()
    return JSON.stringify(s.split("").sort()) === JSON.stringify(t.split("").sort())
};

 

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