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() {
double circumference, area, p;
int a, b, c;
scanf("%d %d %d", &a, &b, &c);
circumference = a + b + c;
p = circumference / 2.0;
area = sqrt(p * (p - a)*(p - b)*(p - c));
printf("circumference=%.2lf area=%.2lf", circumference, area);
return 0;
}
