[LeetCode-ํƒ์ƒ‰] Search Insert Position

CHOI YUN HOยท2021๋…„ 7์›” 24์ผ
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๐Ÿ“ƒ ๋ฌธ์ œ ์„ค๋ช…

Search Insert Position

[๋ฌธ์ œ ์ถœ์ฒ˜ : LeetCode]

๐Ÿ‘จโ€๐Ÿ’ป ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

์ฃผ์–ด์ง„ ์ˆ˜๊ฐ€ ๋ฆฌ์ŠคํŠธ์— ์žˆ์œผ๋ฉด ์ธ๋ฑ์Šค๋ฅผ ๋ฐ˜ํ™˜ํ•˜๊ณ ,
์—†์œผ๋ฉด ์˜ค๋ฆ„์ฐจ์ˆœ ์ •๋ ฌ ๊ธฐ์ค€, ์‚ฝ์ž…๋˜์–ด์•ผํ•  ์˜ฌ๋ฐ”๋ฅธ ์ธ๋ฑ์Šค๋ฅผ ์ฐพ์•„์„œ ๋ฐ˜ํ™˜ํ•˜๋ฉด ๋œ๋‹ค.

์ฒ˜์Œ์—๋Š” ๋‹จ์ˆœํ•˜๊ฒŒ ์ƒ๊ฐํ•ด์„œ ํ’€์—ˆ๋Š”๋ฐ,
์ด์ง„ ํƒ์ƒ‰์„ ์ด์šฉํ•˜๋ฉด ์ข€ ๋” ์‹œ๊ฐ„๋ณต์žก๋„๋ฅผ ์ค„์ผ ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์•˜๋‹ค.

๊ทธ๋ž˜์„œ ์ด์ง„ ํƒ์ƒ‰์„ ์‚ฌ์šฉํ•˜์—ฌ ๋‹ค์‹œ ํ’€์—ˆ๋‹ค.
์žฌ๋ฐŒ๋‹ค.

์ด์ง„ ํƒ์ƒ‰

๐Ÿ‘จโ€๐Ÿ’ป ์†Œ์Šค ์ฝ”๋“œ

class Solution:
    def searchInsert(self, nums: List[int], target: int) -> int:
        left = 0
        right = len(nums) - 1

        while left <= right:
            middle = (left + right) >> 1
            if nums[middle] == target:
                return middle
            if target < nums[middle]:
                right = middle - 1
            else:
                left = middle + 1
        return left
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