Country Tour
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A country has n cities, connected by m roads, and your task is to get from city 1 to city n. The country has been designed so that there are no directed cycles in the underlying graph. In how many ways can you complete the task? ###Input: The first input line has two integers n and m: the number of cities and roads. The cities are numbered 1,2,…,n. After this, there are m lines describing t
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solution.cppC++17
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