Chef and Natural Numbers

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Chef was home on a Sunday morning and was playing with natural numbers. His best friend Chefu came to him to solve a problem where he wants to get the sum of first N natural numbers and he also wants to find whether the sum is even or odd.Chef gave the solution, but Chefu forgot it so he wants you to help him get the answer once again. ###Input: - First line will contain $T$, number of testcases

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solution.cppC++17

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