codeforces1165E Two Arrays and Sum of Functions

https://codeforces.com/contest/1165/problem/Ec++ You are given two arrays aa and bb, both of length nn.spa Let's define a function f(l,r)=∑l≤i≤rai⋅bif(l,r)=∑l≤i≤rai⋅bi.code Your task is to reorder the
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