Pay the Debts

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Problem description. A person has to pay K amount of its debt. The amount he will get back on giving an amount of Rs. x to the bank will be as per the value of the quadratic equation a*x^2 + b* x+c for that value x. Now he wants to pay all his debts so he wants to know the least non-negative value x (i.e. x>=0) that can help him getting amount >= K from the bank to pay his debts. Help him find t

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solution.cppC++17

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