Make Server Power Non-decreasing

Question

There is a scalable application running on n servers at a cloud provider. Read from left to right, every server must end up with at least as much computational power as the one before it. The only change you are allowed to make is to choose a contiguous block of servers and raise the power of every server in that block by the same amount x. You can repeat this as often as you like, with a different block and a different x each time. ...