涅槃phy的专栏

Description An array of size n ≤ 106is given to you. There is a sliding window of size k which is movingfrom the very left of the array to the very right. You can only see the knumbers in the windo

Description Some of Farmer John's N cows (1 ≤ N ≤80,000) are having a bad hair day! Since each cow is self-conscious about hermessy hairstyle, FJ wants to count the number of other cows that can see