IPL Ticket Rush

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DAIICT college students want to attend an IPL match. A total of $N$ students from the college want to go while only $M$ tickets are available for the match. Determine how many students won't be able to book tickets. ### Input - The first line of input will contain a single integer $T$, denoting the number of test cases. - Each test case consists of two space-separated integers $N$ and $M$ — th

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solution.cppC++17

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