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- ๋ฌธ์ œ : 

  • ์œท๋†€์ด์˜ ๊ฒฐ๊ณผ๋ฅผ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ! ๋ฐฐ์—ด๋กœ ๋“ฑ/๋ฐฐ ์ •๋ณด๊ฐ€ ์ฃผ์–ด์ง€๋ฉด ๊ทธ ๊ฒฐ๊ณผ๋กœ ์œท๋†€์ด์˜ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค.

 

- ์†Œ์Šค์ฝ”๋“œ

package examPrac;

public class algorithmTest1 {
    public String solution(int[] arr1) {
        String answer ="";
        int dNum =0;
        // ๋“ฑ์˜ ๊ฐฏ์ˆ˜๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๋„/๊ฐœ/๊ฑธ/์œท/๋ชจ ์ธ์ง€ ํŒ๋‹จํ•˜๊ธฐ ์œ„ํ•œ ๋ณ€์ˆ˜๋ฅผ ์„ ์–ธํ•œ๋‹ค.
        // ๋“ฑ์ด 0์ด๋ฉด ์œท, 1์ด๋ฉด ๊ฑธ ... 4๋ฉด ๋ชจ

        for( int i =0; i < arr1.length; i++){
            // arr1์˜ ๊ธธ์ด๋งŒํผ ๋ฐ˜๋ณตํ•˜๋ฉด์„œ
            if ( arr1[i] == 1){
                dNum += 1;
                // arr[i]๊ฐ’์ด 1์ผ ๊ฒฝ์šฐ ๋“ฑ์ด๋ฏ€๋กœ, dNum์— 1์„ ๋”ํ•œ๋‹ค.
            }
        }

        // if-else if๋ฌธ์„ ํ†ตํ•ด์„œ case๋ณ„ ๋‹ต์•ˆ์„ ๋ฆฌํ„ดํ•œ๋‹ค.
        if ( dNum == 0){
            answer = "์œท";
        } else if ( dNum == 1){
            answer = "๊ฑธ";
        } else if ( dNum == 2){
            answer = "๊ฐœ";
        } else if ( dNum == 3){
            answer = "๋„";
        } else if ( dNum == 4){
            answer = "๋ชจ";
        }

        return answer;
    }

    public static void main(String[] args) {
        algorithmTest1 result = new algorithmTest1();
        int[] arr1 = {0,1,0,0};
        System.out.println(result.solution(arr1));
    }
}

- ํ’€์ด : 

  • ๋‚˜๋Š” ๋“ฑ(=1)์˜ ๊ฐ’๋งŒ ์ถ”์ถœํ•ด์„œ ์œท๋†€์ด ๊ฒฐ๊ณผ ํŒ์ •์„ ํ•˜์˜€๋‹ค. ๋“ฑ์ด 0์ด๋ฉด ์œท, 3๊ฐœ๋ฉด ๋„ ์ด๋ ‡๊ฒŒ 
  • ํŒ์ • ๋ฐ ๊ฒฐ๊ณผ๊ฐ’ ๋ฆฌํ„ด์€ If - else๋ฌธ์„ ์‚ฌ์šฉํ•˜์˜€๋‹ค.!
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Dev-Kyuu

@kyuu_ng

ํฌ์ŠคํŒ…์ด ์ข‹์•˜๋‹ค๋ฉด "์ข‹์•„์š”โค๏ธ" ๋˜๋Š” "๊ตฌ๋…๐Ÿ‘๐Ÿป" ํ•ด์ฃผ์„ธ์š”!