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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java ์ œ๊ณฑ์ˆ˜ ํŒ๋ณ„ํ•˜๊ธฐ หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 5. 29. 11:30
์ฒด๊ฐ Level : โ˜…โ˜†โ˜†
Review:  ์ œ๊ณฑ์ˆ˜ ํŒ๋ณ„ํ•˜๊ธฐ

 

๐Ÿ’ก n ์ด ์ œ๊ณฑ์ˆ˜์ธ์ง€ ํŒ๋ณ„ํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค. ๋งž์œผ๋ฉด 1 ์•„๋‹ˆ๋ฉด 2

 

์ œ๊ณฑ๊ทผ์ด ์ •์ˆ˜์ธ ๊ฒฝ์šฐ = ์ œ๊ณฑ์ˆ˜ (๋‹ค๋ฅธ ์ •์ˆ˜์˜ ์ œ๊ณฑ์œผ๋กœ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ๋‹ค)

์ œ๊ณฑ๊ทผ์ด ์ •์ˆ˜์ธ ๊ฒฝ์šฐ, % 1 ์—ฐ์‚ฐ์˜ ๊ฒฐ๊ณผ๋Š” 0

class Solution {
    public int solution(int n) {
        int answer = 0;
        if (Math.sqrt(n)%1 == 0){
            return 1;
        }else{
            return 2;    
        }
    }
}