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๐Ÿƒ‍โ™€๏ธprogrammers/Java

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java ๊ฐ€๊นŒ์šด 1 ์ฐพ๊ธฐ

HYEJU01 2024. 4. 30. 09:43

๐Ÿ’ก idx ๋ณด๋‹ค ํฌ๋ฉด์„œ ๊ฐ™์€ ์ธ๋ฑ์Šค๊ฐ’์„ ์ฐพ๋Š”๊ฑด๋ฐ

์ด ๊ฒฝ์šฐ์—๋Š” ์กฐ๊ฑด์˜ ์‹œ์ž‘์„ idx ๋กœ ์žก์•„์ฃผ๋ฉด ํŽธํ•˜๋‹ค!!

class Solution {
    public int solution(int[] arr, int idx) {

        for(int i = idx; i < arr.length; i++) {
            if(arr[i] == 1) {
                return i;
            }
        }
        return -1;
    }
}

 

 

์‹คํŒจํ•œ ์ฝ”๋“œ

class Solution {
    public int solution(int[] arr, int idx) {
        int answer = -1;
        
        for(int i = idx; i < arr.length; i++) {
            if(arr[i] == 1) {
                answer = i;
            }
        }
        
        return answer;
    }
}
class Solution {
    public int solution(int[] arr, int idx) {
        int answer = 0;
        
        for (int i =0; i<arr.length; i++){
            if (idx <= i && 1 == arr[i]){ //idx 
                answer = i;
            }else {
                answer = -1;
            }
        }
        
        return answer;
    }
}