题解 | #计算三角形的周长和面积#
计算三角形的周长和面积
https://www.nowcoder.com/practice/109a44d649a142d483314e8a57e2c710
#include <stdio.h>
#include <math.h>
int main(void)
{
double a, b, c;
double circumference, area;
scanf("%lf %lf %lf", &a, &b, &c);
circumference = a + b + c;
//海伦公式
area = sqrt(circumference/2*(circumference/2 -a)*(circumference/2 - b)*(circumference/2 -c));
printf("circumference=%.2f area=%.2f\n", circumference, area);
return 0;
}
#猹的刷题生涯#
查看7道真题和解析