Can Sam Escape

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Sam is trapped in a 2-D Matrix of size $N$ by $M$.To escape he needs a key which is at position$(i,j)$ in the matrix.He is at Top-leftmost Position and the door is at Bottom -rightmost position.He can only travel right or down.Find the no of ways in which he can escape from the matrix. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each test case co

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solution.cppC++17

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