With great power comes great complexity!

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This morning when Mayank woke up he found Doraemon sitting in his room! Mayank being a clever guy immediately demanded some special powers from Doraemon ensuring him that he will use those powers only for the good of others. Doraemon smiled and said that he is ready to give him the powers only if he can find out the coefficient of (X ^ K) after multiplying N polynomials which will be of the form

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L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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