Are These Equal

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You are given an array $A$ consisting of $N$ Integers which are initially all $0$. You are also given an array $B$ consisting of $N$ Integers. You have to tell whether you can make $A$ equal to $B$ or not by performing the following operation any number of times. In one operation you can choose exactly $K$ distinct indices in the array A and increase the value at these indices by $1$. ###Input:

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solution.cppC++17

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