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Maximum Subarray

Maximum Subarray
์–ด๋ ค์›€ ์•Œ๊ณ ๋ฆฌ์ฆ˜ +40pts

Problem

Find the contiguous subarray with the largest sum.

Examples

Input: maxSubarray([-2, 1, -3, 4, -1, 2, 1, -5, 4])
Output: 6
๐Ÿ’ก [4, -1, 2, 1]

Explanation

์ด ๋ฌธ์ œ๋Š” **์นด๋ฐ์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Kadane's Algorithm)**์œผ๋กœ ์ตœ๋Œ€ ๋ถ€๋ถ„ ๋ฐฐ์—ด ํ•ฉ์„ ๊ตฌํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ํ•™์Šตํ•ฉ๋‹ˆ๋‹ค. ## ํ•ต์‹ฌ ๊ฐœ๋…: ์นด๋ฐ์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํ˜„์žฌ ์œ„์น˜๊นŒ์ง€์˜ ์ตœ๋Œ€ ํ•ฉ์„ ์ถ”์ ํ•˜๋ฉฐ ๋ฐฐ์—ด์„ ์ˆœํšŒํ•ฉ๋‹ˆ๋‹ค. ### ํ•ต์‹ฌ ์•„์ด๋””์–ด ๊ฐ ์œ„์น˜์—์„œ ์„ ํƒ: 1. ํ˜„์žฌ ์š”์†Œ๋ถ€ํ„ฐ ์ƒˆ๋กœ ์‹œ์ž‘ 2. ์ด์ „ ํ•ฉ์— ํ˜„์žฌ ์š”์†Œ ์ถ”๊ฐ€ ### ์ฝ”๋“œ ๋ถ„์„ ```javascript let maxSum = arr[0]; let currentSum = arr[0]; for (let i = 1; i < arr.length; i++) { currentSu...

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Key Concepts

์นด๋ฐ์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋™์  ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์ตœ๋Œ€ ๋ถ€๋ถ„ ํ•ฉ ์ตœ์ ํ™”
Time: O(n) Space: O(1)
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