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<math.h>
int main()
{
int a, b, c = 0;
scanf("%d %d %d", &a, &b, &c);
float circuference = a + b + c;
if (a && b && c > 0 && a && b && c <= 100000)
{
float P = circuference/ 2;
float area = sqrt(P * (P - a) * (P - b) * (P - c));
printf("circumference=%.2f area=%.2f", circuference, area);
}
else
printf("error");
return 0;
}
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