Parabolavum Permutationum

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Carol has a collection of *n* one digit numbers( 0 - 9). Now Carol forms various numbers by taking all the numbers and rearranging them. $Eg, if she has 1,0,2,1 then, she can form 0112, 0121, 0211,2110.....etc.$ Now, Her friend Lawson has gifted her a parabolic function in the form f(x) = x2 - b*x + 1 and asked her to draw a line parallel to y-axis and bisects the graph.Now, she should find tw

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solution.cppC++17

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