10 Try Brute-force first

You are given an array $A$ of $N$ integers as input. And you will be given $Q$ queries to perform. Each query will have $2$ integers $L$ and $R$ . For each query you have to print the sum $A_L + A_{L+1}+...+A_{R-1}+A_R$. ###Input: - First line of input will contain a number $T$, the number of elements in the array - The first line of each testcase will contain $N$ , denoting the numb