C語言簡單編程之一元二次方程求解
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操作方法
(01)# include# includevoid main(void)
(02)void main(void){ double a,b,c,x1,x2; cout<<"input a,b,c:"; cin>>a>>b>>c; double s=b*b-4*a*c; if(s>=o)
(03){ double sqrtVal=sqrt(s); x1=(-b+sqrtVal)/(2*a); x2=(-b-sqrtVal)/(2*a);cout<<"x1="<cout<<"x2="<}
(04)else cout<<"this question does not hava a real answer"<}
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