Please solve using C++. Note that nested loops won't work. The order of complexity needs to be linear.

Description You just became the manager of a call centre. There are many variables to take into account to run an efficient call centre. To make these decisions, you need good data. Your call centre is huge. Typically, many new calls are made every second. Your sys- tem logs each incoming call To get started with data analytics, you want to answer simple questions like the follow- ing: Between time s and time t, how many new calls were made to our call centre? Input The first line of input consists of two integers n and q. Here, 1