Minimum Operation

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You are given four space-separated integer $n$, $m$, $a$ and $b$ . Your task is to convert $n$ into $m$ by doing minimum number of operation. - There are two possible operation to perform : - Divide by $a$. - Subtract by $b$. ###Input: - First line will contain $T$, number of testcases. - Each testcase contains of four space-separated integers $n$, $m$, $a$ and $b$. ###Output

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solution.cppC++17

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