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[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ํ‰๊ท  ๊ตฌํ•˜๊ธฐ (JAVA) ๋ณธ๋ฌธ

Algorithm/programmers

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ํ‰๊ท  ๊ตฌํ•˜๊ธฐ (JAVA)

๋น„๋ฒ„๋ฒ„๋น„ 2021. 9. 30. 15:32

๐Ÿ“ƒ ๋ฌธ์ œ

์ •์ˆ˜๋ฅผ ๋‹ด๊ณ  ์žˆ๋Š” ๋ฐฐ์—ด arr์˜ ํ‰๊ท ๊ฐ’์„ returnํ•˜๋Š” ํ•จ์ˆ˜, solution์„ ์™„์„ฑํ•ด๋ณด์„ธ์š”.

 

๐Ÿ“ ํ’€์ด

class Solution {
    public double solution(int[] arr) {
        double sum = 0;
        for (int i = 0 ; i < arr.length; i++) {
            sum += arr[i];
        }
        return sum / arr.length;
    }
}

 

https://programmers.co.kr/learn/courses/30/lessons/12944

 

์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต - ํ‰๊ท  ๊ตฌํ•˜๊ธฐ

์ •์ˆ˜๋ฅผ ๋‹ด๊ณ  ์žˆ๋Š” ๋ฐฐ์—ด arr์˜ ํ‰๊ท ๊ฐ’์„ returnํ•˜๋Š” ํ•จ์ˆ˜, solution์„ ์™„์„ฑํ•ด๋ณด์„ธ์š”. ์ œํ•œ์‚ฌํ•ญ arr์€ ๊ธธ์ด 1 ์ด์ƒ, 100 ์ดํ•˜์ธ ๋ฐฐ์—ด์ž…๋‹ˆ๋‹ค. arr์˜ ์›์†Œ๋Š” -10,000 ์ด์ƒ 10,000 ์ดํ•˜์ธ ์ •์ˆ˜์ž…๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ arr

programmers.co.kr

 

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