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fn(arr[],left,right)
{
i = 0;
j = 0;
int cnt = 0;
while(j<n)
{
    if(arr[j]<left)
       j++;
       continue;
    else if(arr[j]>right)
    {
        i = j + 1;
        j++;
        continue; 
    }
    cnt += j - i + 1;
    j++;
}
return cnt;
}