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>
int main() {
int a = 0;
int b = 0;
int c = 0;
scanf("%d %d %d", &a, &b, &c);
float C = (float)(a + b + c);
double p =C/2;
double S = pow(p * (p - a) * (p - b) * (p - c), 0.5);
printf("circumference=%.2f area=%.2f", C, S);
return 0;
}
