求助(有关C的问题)

#include<stdio.h>

#include<math.h>

void main( )

{

float a,b,c;

char x,y,d;

printf("please input a,b andc\n");

scanf("%f %f %f",&a,&b,&c);

d=b*b-4*a*c;

if(d>=0)

x=(sqrt(d)-b)/(2*a);

y=-(sqrt(d)+b)/(a*2);

printf("%.2f %.2f\n",x,y);

return 0;

}

是用C解方程的程序,拜托!

[309 byte] By [梁师秀] at [2007-8-15 11:12:44]