Buy 2 Get 1 Free

CodeChefRating 821Open on judge ↗

There is a sale going on in Chefland. For every $2$ items Chef pays for, he gets the **third** item for **free** (see sample explanations for more clarity). It is given that the cost of $1$ item is $X$ rupees. Find the **minimum** money required by Chef to buy at least $N$ items. ### Input - First line will contain $T$, number of test cases. Then the test cases follow. - Each test case contains

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solution.cppC++17

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