一道求三角形面积的程序题,依次输入三个坐标,用海伦公式,最后输出保留两位小数#include #include int main() {double a ,b ,c ,i ,d ,e ,l ,q ,r ,p ,sum;scanf("%f %f %f %f %f %f",&a ,&b ,&c ,&d ,&e ,&i);\x05l = sqrt(pow((a -
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![一道求三角形面积的程序题,依次输入三个坐标,用海伦公式,最后输出保留两位小数#include #include int main() {double a ,b ,c ,i ,d ,e ,l ,q ,r ,p ,sum;scanf(](/uploads/image/z/5115645-45-5.jpg?t=%E4%B8%80%E9%81%93%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2%E9%9D%A2%E7%A7%AF%E7%9A%84%E7%A8%8B%E5%BA%8F%E9%A2%98%2C%E4%BE%9D%E6%AC%A1%E8%BE%93%E5%85%A5%E4%B8%89%E4%B8%AA%E5%9D%90%E6%A0%87%2C%E7%94%A8%E6%B5%B7%E4%BC%A6%E5%85%AC%E5%BC%8F%2C%E6%9C%80%E5%90%8E%E8%BE%93%E5%87%BA%E4%BF%9D%E7%95%99%E4%B8%A4%E4%BD%8D%E5%B0%8F%E6%95%B0%23include+%23include+int+main%28%29+%7Bdouble+a+%2Cb+%2Cc+%2Ci+%2Cd+%2Ce+%2Cl+%2Cq+%2Cr+%2Cp+%2Csum%3Bscanf%28%22%25f+%25f+%25f+%25f+%25f+%25f%22%2C%26a+%2C%26b+%2C%26c+%2C%26d+%2C%26e+%2C%26i%29%3B%5Cx05l+%3D+sqrt%28pow%28%28a+-)
一道求三角形面积的程序题,依次输入三个坐标,用海伦公式,最后输出保留两位小数#include #include int main() {double a ,b ,c ,i ,d ,e ,l ,q ,r ,p ,sum;scanf("%f %f %f %f %f %f",&a ,&b ,&c ,&d ,&e ,&i);\x05l = sqrt(pow((a -
一道求三角形面积的程序题,
依次输入三个坐标,用海伦公式,最后输出保留两位小数
#include
#include
int main() {
double a ,b ,c ,i ,d ,e ,l ,q ,r ,p ,sum;
scanf("%f %f %f %f %f %f",&a ,&b ,&c ,&d ,&e ,&i);
\x05l = sqrt(pow((a - c),2)+pow((b - d),2));
\x05q = sqrt(pow((a - e),2)+pow((b - i),2));
\x05r = sqrt(pow((c - e),2)+pow((i - d),2));
\x05p = (l + q + r)/2;
\x05sum = sqrt(p*(p - r)*(p - l)*(p - q));
\x05printf("%.2f\n",sum);
\x05return 0;
}
为什么运行结果老是不对,输出结果超级无敌大,
一道求三角形面积的程序题,依次输入三个坐标,用海伦公式,最后输出保留两位小数#include #include int main() {double a ,b ,c ,i ,d ,e ,l ,q ,r ,p ,sum;scanf("%f %f %f %f %f %f",&a ,&b ,&c ,&d ,&e ,&i);\x05l = sqrt(pow((a -
你的错误在于double输入要用%lf
scanf("%lf %lf %lf %lf %lf %lf",&a ,&b ,&c ,&d ,&e ,&i);