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[Prayatna] (https://www.prayatna.org.in), the department of CT's symposium is being held on March 8 and 9 and they are conducting an OLPC today. OOPS, you're already here! Solve this simple problem: You're given a value $N$. Print the value of $1-2+3-4+5-6...±N$ ###Input: * The first line of the input consists of an integers $T$, the number of test cases. * The next $T$ lines each contain a

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solution.cppC++17

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