Practical_3_2.java

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Practical_3_2 {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int [] arr = new int[n];
        for(int i=0;i<n;i++){
            arr[i] = sc.nextInt();
        }
        int count=0;
        for(int i=0;i<n;i++){
            int sum=0;
            for(int j=i;j<n;j++){
                sum = sum + arr[j];
                if(sum<0){
                    count++;
                }
            }
        }
        System.out.println(count);
        
    }
}