Count-strictly-increasing-subarrays
int countIncreasing(int n)
{
int cnt = 0;
int len = 1;
for (int i = 0; i < n - 1; ++i)
{
if (arr[i + 1] > arr[i])
{
len++;
}
else
{
cnt += (((len - 1) * len) / 2);
len = 1;
}
}
if (len > 1)
{
cnt += (((len - 1) * len) / 2);
}
return cnt;
}