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853天前#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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