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container with most water solution
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class SolutionMaxArea {
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public int maxArea(int[] height) {
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// A์™€ B ๊ฐ„ ๋ฉด์  = (A์™€ B์˜ X์ถ• ์ฐจ์ด) * (A์™€ B Y์ถ• ์ค‘ ๋” ์ž‘์€ Y์ถ• ๊ธธ์ด)
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// 1๋ฒˆ์งธ ํ’€์ด ๋ฐฉ๋ฒ•: ์„ ํƒํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“  ๊ฒฝ์šฐ์— ๋Œ€ํ•ด ์œ„ ๊ฐ’์„ ๊ตฌํ•œ๋‹ค, ์‹œ๊ฐ„๋ณต์žก๋„: O(N^2) / ๊ณต๊ฐ„๋ณต์žก๋„: O(1)
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// (์ตœ์ข…) 2๋ฒˆ์งธ ํ’€์ด ๋ฐฉ๋ฒ•: ์–‘์ชฝ ๋์—์„œ ํˆฌํฌ์ธํ„ฐ๋กœ ์ขํ˜€์˜ค๋ฉด์„œ ๋ฉด์ ์„ ๊ตฌํ•œ๋‹ค, ์‹œ๊ฐ„๋ณต์žก๋„: O(N) / ๊ณต๊ฐ„๋ณต์žก๋„: O(1)
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// ์ „์ฒด ๋„ˆ๋น„๋ฅผ ๊ณ ๋ คํ•˜๋ฉด์„œ ์›€์ง์—ฌ์•ผํ•œ๋‹ค.
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// ๋งค๋ฒˆ ๋ฉด์ ์„ ๊ณ„์‚ฐํ•˜๊ณ , ๋” ํฌ๋ฉด ์ €์žฅํ•œ๋‹ค.
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// lt์™€ rt ์ค‘ ๋” ๋‚ฎ์€์ชฝ์„ ์ขํžŒ๋‹ค
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var lt = 0;
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var rt = height.length-1;
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var maxArea = 0;
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while(lt < rt) {
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var x = rt - lt;
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var y = Math.min(height[lt], height[rt]);
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var currentArea = x * y;
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if (maxArea < currentArea) {
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maxArea = currentArea;
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}
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if (height[lt] < height[rt]) {
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lt++;
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} else {
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rt--;
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}
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}
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return maxArea;
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}
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}

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