#include <iostream> #include <iomanip> #include <Cmath> using namespace std; class Equation { private: double a, b, c; public: void init(int m , int n ,int q) { a = m; b = n; c = q; } void solve() { double s,x1,x2; if(b*b - 4*a*c<0) cout<<"There is no answer!"<<endl; else { s = sqrt(b*b - 4*a*c); x1 = (-b + s)/(2*a); x2 = (-b - s)/(2*a); cout <<"x1 = "<< x1 <<endl<<"x2 = "<< x2 << endl; } } }; int main() { Equation c1; int a, b,c; cin>>a>>b>>c; c1.init(a, b, c); c1.solve(); return 0; }
by: 发表于:2017-09-01 09:52:55 顶(2) | 踩(0) 回复
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