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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java ๋ฐฐ์—ด ๋’ค์ง‘๊ธฐ หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 5. 15. 14:57
์ฒด๊ฐ Level : โ˜…โ˜†โ˜†
Review: ๋ฐ˜๋ณต๋ฌธ์„ ํ†ตํ•ด์„œ ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ๋‹ค ! ๋ฐฉ๋ฒ•์ด ๋‹ค์–‘ํ•˜๋‹ค !

 

๐Ÿ’ก ๋ฐฐ์—ด์„ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์œผ๋ฉด ๋˜๋Š” ๋ฌธ์ œ์ด๋‹ค.

 

for ๋ฌธ :: ์ธ๋ฑ์Šค๋ฅผ ์ด์šฉํ•ด์„œ ์ˆœํ–‰ <-> ์—ญํ–‰ ์‹œํ‚ค๊ธฐ !!

class Solution {
    public int[] solution(int[] num_list) {
        int[] answer = new int[num_list.length];
    
        for (int i = 0 ; i < num_list.length; i++){
            answer[i] = num_list[num_list.length-1-i];
        }
        
        return answer;
    }
}

 

while ๋ฌธ ์ด์šฉ :: ๊ธฐ์กด ๋ฐฐ์—ด์„ ์ˆ˜์ •ํ•œ๋‹ค,   ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ๋” ํšจ์œจ์ ์œผ๋กœ ์‚ฌ์šฉํ•œ๋‹ค๊ณ ํ•จ !!

class Solution {
    public int[] solution(int[] num_list) {
        int[] answer = {};
    
        int l = 0;
        int r = num_list.length - 1;

        while (l < r) {
            int temp = num_list[l];
            num_list[l] = num_list[r];
            num_list[r] = temp;

            l++;
            r--;
        }
        
        return num_list;
    }
}