C程序求三角形面积#include<stdio.h>#include<math.h>void main(){ int a,b,c; float p; double s; printf("输入三角形三边"); scanf("%d,%d,%d",&a,&b,&c); if((a+b)>c&&(a+c)>b&&(
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![C程序求三角形面积#include<stdio.h>#include<math.h>void main(){ int a,b,c; float p; double s; printf("输入三角形三边"); scanf("%d,%d,%d",&a,&b,&c); if((a+b)>c&&(a+c)>b&&(](/uploads/image/z/13247536-40-6.jpg?t=C%E7%A8%8B%E5%BA%8F%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2%E9%9D%A2%E7%A7%AF%23include%26lt%3Bstdio.h%26gt%3B%23include%26lt%3Bmath.h%26gt%3Bvoid+main%28%29%7B+int+a%2Cb%2Cc%3B+float+p%3B+double+s%3B+printf%28%26quot%3B%E8%BE%93%E5%85%A5%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%89%E8%BE%B9%26quot%3B%29%3B+scanf%28%26quot%3B%25d%2C%25d%2C%25d%26quot%3B%2C%26amp%3Ba%2C%26amp%3Bb%2C%26amp%3Bc%29%3B+if%28%28a%2Bb%29%26gt%3Bc%26amp%3B%26amp%3B%28a%2Bc%29%26gt%3Bb%26amp%3B%26amp%3B%28)
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C程序求三角形面积#include<stdio.h>#include<math.h>void main(){ int a,b,c; float p; double s; printf("输入三角形三边"); scanf("%d,%d,%d",&a,&b,&c); if((a+b)>c&&(a+c)>b&&(
C程序求三角形面积
#include<stdio.h>
#include<math.h>
void main()
{
int a,b,c;
float p;
double s;
printf("输入三角形三边");
scanf("%d,%d,%d",&a,&b,&c);
if((a+b)>c&&(a+c)>b&&(b+c)>a)
{
p=(a+b+c)/2;
s=sqrt(p*(p-a)*(p-b)*(p-c));
printf("面积=%lf\n",s);
}
else
printf("输入边长不符合要求!\n");
}
为什么输入3,5,7;3,6,8;不对
C程序求三角形面积#include<stdio.h>#include<math.h>void main(){ int a,b,c; float p; double s; printf("输入三角形三边"); scanf("%d,%d,%d",&a,&b,&c); if((a+b)>c&&(a+c)>b&&(