Jerry And his Series

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Chef is Very Good at Mathematics, so he give problem to Jerry that:- "Find the last 3 digits of the series V. And the series V is defined as V=1N+2N+3N+....+KN Input - "The first line of the input contains an integer T denoting the number of test cases. - The Next T lines contains two separated Integer K and N. Output Print the Last 3 digits of series V. Constraints - 1 ≤ T ≤ 103 - 1

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solution.cppC++17

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