MATHS - find sum

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Find sum of all the numbers that are multiples of 10 and are less than or equal to a given number "N". (quotes for clarity and be careful of integer overflow) Input Input will start with an integer T the count of test cases, each case will have an integer N. Output Output each values, on a newline. Constraints - 1 ≤ T ≤ 10 - 1 ≤ N ≤1000000000 Example Input: 1 10 Output: 10 Exp

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solution.cppC++17

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