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 cir = a + b + c;
float p = 0;
float area = 0;
if (a, b, c > 0 && a, b, c < 10000)
{
if (a + b > c && b + c > a && a + c > b)
{
cir = a + b + c;
p = cir/2;
area = sqrt(p * (p - a) * (p - b) * (p - c));
}
}
printf("circumference=%.2f area=%.2f",cir, area);
return 0;
}
