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[baekjoon-15961] ํšŒ์ „ ์ดˆ๋ฐฅ

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HashMap vs Array

์ฒ˜์Œ์— ์„ ํƒํ•œ ์ดˆ๋ฐฅ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ HashMap์— ์ €์žฅํ•ด๊ฐ€๋ฉด์„œ ํ’€์—ˆ๋Š”๋ฐ, ์ด๋ณด๋‹ค d์˜ ํฌ๊ธฐ๋งŒํผ Array๋ฅผ ์„ ์–ธํ•˜์—ฌ ๊ตฌํ˜„ํ•˜๋Š” ๊ฒƒ์ด ๋ฉ”๋ชจ๋ฆฌ/์‹œ๊ฐ„๋ณต์žก๋„ ์ธก๋ฉด์—์„œ ํ›จ์”ฌ ์ข‹๋‹ค.

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