实验1-实验任务7-8

 
实验任务7
1 #include <stdio.h>
#include <math.h>
int main()
{
    double C, F;
    while (scanf_s("%lf", &C) != EOF)
    {
        F = C * 9 / 5 + 32;
        printf("摄氏度C=%.2f时，华氏度F=%.2f", C, F);
        printf("\n");
    }
    return 0;

}

 

实验任务8

#include <stdio.h>
#include <math.h>
int main()
{
int a, b, c;
while (scanf_s("%d%d%d", &a, &b, &c) != EOF)
{
double area, s;
s = (a + b + c) * 1.0 / 2;
area = sqrt(s * (s - a) * (s - b) * (s - c));
printf("a=%d,b=%d,c=%d,area=%.3f", a, b, c, area);
printf("\n");
}
return 0;
}