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๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋ก์‚ผ๊ฐ๋‹ฌํŒฝ์ด (1)

lgvv98

[Swift] ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค LV2. ์‚ผ๊ฐ ๋‹ฌํŒฝ์ด

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค LV2. ์‚ผ๊ฐ ๋‹ฌํŒฝ์ด โœ… ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค LV2. ์‚ผ๊ฐ ๋‹ฌํŒฝ์ด ์•„์ฃผ ์˜ค๋ž˜๊ฑธ๋ฆฐ ๋ฌธ์ œ์˜€๋‹ค. ์—ฌ๋Ÿฌ๊ฐ€์ง€ ๋ฐฉ๋ฒ•์ด ์žˆ์—ˆ๋Š”๋ฐ, ์ฒ˜์Œ์—๋Š” ๋ฐฐ์—ด์„ [ [], [], [], [] ] ์ด๋Ÿฐ ์‹์œผ๋กœ ์„ธํŒ…ํ•ด ๋‘์–ด์„œ insert์™€ append๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ž‘์„ฑํ•˜๋‹ˆ๊นŒ ๋„ˆ๋ฌด๋‚˜๋„ ์–ด๋ ค์› ๋‹ค. ๊ทผ๋ฐ ๊ทธ๋ƒฅ n = 3์ด๋ผ๊ณ  ๊ฐ€์ •ํ•˜๋ฉด, [ [0,0,0], [0,0,0], [0,0,0] ] ์ด๋ ‡๊ฒŒ ์„ธํŒ…ํ•˜๊ณ  ํ‘ธ๋‹ˆ๊นŒ ์šฐ์„  ํ›จ์”ฌ ์‰ฌ์›Œ์งˆ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ์™œ๋ƒํ•˜๋ฉด index๋ฅผ [row][col]๋กœ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ์–ด์„œ!! ๋ฌธ๋ฒ•์ ์œผ๋กœ๋Š” 2๊ฐ€์ง€๋ฅผ ๋ณด๋ฉด ๋œ๋‹ค. 1. 2์ฐจ์› ๋ฐฐ์—ด์„ ํฌ๊ธฐ๋ฅผ ์ฃผ์–ด์„œ ๋งŒ๋“œ๋Š” ๋ฐฉ๋ฒ•๊ณผ 2. flatMap์„ ์‚ฌ์šฉํ•œ ๋ถ€๋ถ„ ๐ŸŸ  ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ๋– ์˜ฌ๋ฆฌ๋Š” ๊ณผ์ • ์ด๊ฑธ ๊ณฐ๊ณฐ์ด ์ƒ๊ฐํ•ด๋ณด๋‹ˆ๊นŒ, [ 1 ] [ 2, 9 ] [ 3 ,10 ,8 ] [ 4, 5..