#include <vector>
using namespace std;

// Function to count subarrays having sum less than k
int countsubarray(vector<int> &arr, int k)
{
    int n = arr.size();
    int count = 0;

    // Pick starting point
    for (int i = 0; i < n; i++)
    {
        int sum = 0;

        // Pick ending point
        for (int j = i; j < n; j++)
        {
            // If sum is less than k, update sum and count
            if (sum + arr[j] < k)
            {
                sum += arr[j];
                count++;
            }
            else
            {
                break;
            }
        }
    }

    return count;
}