C语言输入输出语句体验算法

#include <iostream>
#include <stdio.h>
#include <Cmath>
using namespace std;
void solution (float a,float b,float c);
int main()
{
    int num1,num2,num3;
    cout<<"请输入三个实数："<<endl;
    cin>>num1>>num2>>num3;
    solution(num1,num2,num3);
    return 0;
}
void solution (float a,float b,float c)
{
    float d,x,x1,x2;
    d=b*b-4*a*c;
    if(d>0)
    {
        x1=(-b+sqrt(d))/(2*a);
        x2=(-b-sqrt(d))/(2*a);
        printf("两个实根：x1=%f,x2=%f\n",x1,x2);
    }
    else if(d==0)
    {
        x=(-b)/(2*a);
        printf("一个实根：x=%f\n",x);
    }
    else
        printf("不存在实根\n");
}