本帖最后由 xiaoye 于 2016-1-18 13:25 编辑
一处错
一处错
一处错
正确:
[C] 纯文本查看 复制代码 # include <stdio.h>
# include <math.h>
int main(void)
{
int a = 1;
int b = 5;
int c = 6;
double delta;
double x1;
double 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 = %lf, x2 = %lf\n", x1, x2);
}
else if (delta == 0)
{
x1 = (-b) /(2*a);
x2 = x1;
printf("该一元二次方程有唯一解,x1 = x2 = %lf\n",x1);
}
else
{
printf("无解\n");
}
return 0;
} |