Problem Solution/Programmers

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ž…๋ฌธ] ์ง์ˆ˜์˜ ํ•ฉ

jhyunnn 2022. 10. 6. 01:08

๐Ÿ‘ผ๋ฌธ์ œ ์„ค๋ช…

์ •์ˆ˜ n์ด ์ฃผ์–ด์งˆ ๋•Œ, n์ดํ•˜์˜ ์ง์ˆ˜๋ฅผ ๋ชจ๋‘ ๋”ํ•œ ๊ฐ’์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”.


๐Ÿคท‍โ™€๏ธ์ œํ•œ์‚ฌํ•ญ

0 < n ≤ 1000


๐ŸŽณ์ž…์ถœ๋ ฅ ์˜ˆ

n                result

10 30
4 6

โœˆ์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช…

์ž…์ถœ๋ ฅ ์˜ˆ #1

  • n์ด 10์ด๋ฏ€๋กœ 2 + 4 + 6 + 8 + 10 = 30์„ return ํ•ฉ๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #2

  • n์ด 4์ด๋ฏ€๋กœ 2 + 4 = 6์„ return ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿš๋‚˜์˜ ํ’€์ด

 

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class Solution {
    public int solution(int n) {
        int sum = 0;
        for(int i = 1; i <= n; i++){
            if(i%2==0){
                sum += i;
            }
        }
        return sum;
    }
}
cs