I can judge my code if I have the judge datas with me in Linux by keeping all *.in, *.out and main.cpp code file in one folder and run this command in the terminal. But how can I do this type of things in Windows, in CMD or something like this? Is there any equivalent code for the above one? If anyone knows, please share. :D

If the given array's size is N then what should I declare the size of the array for Segment Tree?

If I set the Segment Tree's array size to 2 × 2^k (or maybe something like this 2 × 2^k + 5) where k = ⌈ log₂N⌉, won't that be enough? If not, then why?