include[HTML_REMOVED]
include[HTML_REMOVED]
include[HTML_REMOVED]
using namespace std;
int main()
{
double a,b,c;
cin>>a>>b>>c;
if(a==0||(b*b-4*a*c)<0) printf("Impossivel calcular\n");
else
{
printf("R1 = %.5lf\n",(-b+sqrt(b*b-4*a*c))/(2*a));
printf("R2 = %.5lf\n",(-b-sqrt(b*b-4*a*c))/(2*a));
}
return 0;
}
#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int main()
{
double a,b,c;
cin>>a>>b>>c;
if(a==0||(b*b-4*a*c)<0) printf("Impossivel calcular\n");
else
{
printf("R1 = %.5lf\n",(-b+sqrt(b*b-4*a*c))/(2*a));
printf("R2 = %.5lf\n",(-b-sqrt(b*b-4*a*c))/(2*a));
}
return 0;
}
算法1
(暴力枚举) $O(n^2)$
blablabla
时间复杂度
参考文献
C++ 代码
blablabla
算法2
(暴力枚举) $O(n^2)$
blablabla
时间复杂度
参考文献
C++ 代码
blablabla