๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๐Ÿš€ Algorithm/PGS

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ์ง์ˆ˜๋Š” ์‹ซ์–ด์š” (JAVA)

๐Ÿ’ก ๋ฌธ์ œ 


์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, n ์ดํ•˜์˜ ํ™€์ˆ˜๊ฐ€ ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ๋‹ด๊ธด ๋ฐฐ์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.

 

 

์„ค๋ช…:

IntStream์„ ์ด์šฉํ•˜์—ฌ 1๋ถ€ํ„ฐ n๊นŒ์ง€์˜ ์ •์ˆ˜ ์ŠคํŠธ๋ฆผ ์ƒ์„ฑ

filter ๋ฉ”์„œ๋“œ๋ฅผ ์ด์šฉํ•˜์—ฌ ํ™€์ˆ˜๋งŒ ๊ฑธ๋Ÿฌ๋ƒ„

toArray ๋ฉ”์„œ๋“œ๋ฅผ ์ด์šฉํ•˜์—ฌ int ๋ฐฐ์—ด๋กœ ๋ณ€ํ™˜

 

๐Ÿ– ๋‚ด ๋‹ต์•ˆ


import java.util.stream.IntStream;

class Main{
public static int[] solution1(int n) {
    	return IntStream.rangeClosed(1, n)
                .filter(i -> i % 2 == 1)
                .toArray();
}
}