luogu_P3373 solution

luogu_P3373 solution

Problme Description

 Now, you have a known series, there are three operations:

1. Mutiple \(x\) to all numbers from section \([l, r]\).
2. Add \(x\) to all numbers from section \([l, r]\).
3. Get the sum of section \([l, r]\).

Input Format

 The first line contains three integer $n$, $m$, $p$，which means that the length of the series, the numbers of operations and the mod.