请教下各位大神,下面的程序哪里出了点问题?
#include<stdio.h>main()
{
float a,b,c,area,q;
printf("请输入三条边长a,b,c:\n");
scanf("%f%f%f",&a,&b,&c);
q=(a+b+c)/2;
area=sqrt(q*(q-a)*(q-b)*(q-c));
printf("面积为:%f\n",area);
}
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