为什么只能输出整数
#include <stdio.h>#include <math.h>
int main(void)
{
float a, b, c;
printf("输入a的值\n");
scanf("%d", &a);
printf("输入b的值\n");
scanf("%d", &b);
printf("输入c的值\n");
scanf("%d", &c);
float delta;
float x1;
float x2;
delta= b*b - 4*a*c;
if (delta > 0)
{
x1 = (-b + sqrt(delta)) / (2*a);
x2 = (-b - sqrt(delta)) / (2*a);
printf("该一元二次方程有两个解, x1 = %f, x2 = %f\n", x1, x2);
}
else if (delta == 0)
{
x1 = (-b) / (2*a);
x2 = x1;
printf("该一元二次方程有一个唯一解, x1 = x2 = %f\n", x1);
}
else
{
printf("无解\n");
}
return 0;
}