public class Main {
    public static void main(String[] args) {
        int[] arr = new int[]{15, -2, 2, -8, 1, 7, 10, 23};
        int n = arr.length;
        int maxLength = 0;
        for(int i = 0;i<n;i++){
            int currentSum = 0;
            for(int j = i ;j<n;j++){
                currentSum+=arr[j];
 
                if(currentSum==0){
                    maxLength = Math.max(maxLength,j-i+1);
                }
            }
        }
        System.out.println(maxLength);
    }
}
 

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