Chef and Combinatorics

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Read problems statements in Russian here Problem Statement Chef studies combinatorics. He tries to group objects by their rang (a positive integer associated with each object). He also gives the formula for calculating the number of different objects with rang N as following: the number of different objects with rang N = F(N) = A0 + A1 * N + A2 * N2 + A3 * N3. Now Chef wants to know how many

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solution.cppC++17

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