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level 1. x๋งŒํผ ๊ฐ„๊ฒฉ์ด ์žˆ๋Š” n๊ฐœ์˜ ์ˆซ์ž / java ๋ณธ๋ฌธ

๐ŸŽ ์ฝ”๋”ฉํ…Œ์ŠคํŠธ/ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

level 1. x๋งŒํผ ๊ฐ„๊ฒฉ์ด ์žˆ๋Š” n๊ฐœ์˜ ์ˆซ์ž / java

jhj.sharon 2023. 3. 29. 16:22
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https://school.programmers.co.kr/learn/courses/30/lessons/12954

 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”.

programmers.co.kr

 

 

class Solution {
    public long[] solution(int x, int n) {
        long[] answer = new long[n];
        
        for(int i =0; i<n; i++){
           
          answer[i] = (long)x *(i+1);
        }    
        return answer;
    }
}

 

  • ๋…ผ๋ฆฌ๊ตฌ์กฐ์ž์ฒด๋Š” ๋“ฑ์ฐจ์ˆ˜์—ด๋กœ ๊ฐ„๋‹จํ•˜๋‹ค.
  • ํ…Œ์ŠคํŠธ์‹œ์—๋Š” ์ž˜๋งŒ ๋˜๋‹ค๊ฐ€ ์ œ์ถœํ•  ๋•Œ ํ…Œ์ŠคํŠธ 12, 13์„ ๊ณ„์† ํ†ต๊ณผ ๋ชปํ–ˆ์—ˆ๋‹ค.
  • x๋ฅผ ํ˜•๋ณ€ํ•œ ์‹œ์ผœ์ฃผ์ง€ ์•Š์•˜๊ธฐ ๋•Œ๋ฌธ....!
  • x:10000000, n:1000์œผ๋กœ ๋‘๊ณ  ๋Œ๋ฆฌ๋ฉด long์œผ๋กœ ํ˜•๋ณ€ํ™˜ ์•ˆํ•˜๋ฉด int ๋ฒ”์œ„๋ฅผ ๋ฒ—์–ด๋‚˜๋Š” ์ˆซ์ž๋“ค์ด ์Œ์ˆ˜๊ฐ€ ๋˜๋ฒ„๋ฆฌ๋Š” ๊ฒฐ๊ณผ
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