class Solution {
    public int solution(int[] arr, int idx) {
        int answer = 0;
        return answer;
    }
}

해결법

방법 1

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

가까운 1 찾기 Lv. 0