#includevoid main(){ float c,f;scanf("%f",&f);c=5.0/9*(e-32);printf("%f",c);}
#include void main(){ int f=0; scan("%d", &f); int c=5/9(f-32); printf("%d", c);}
c=摄氏度摄氏度=九分之五乘(华氏度-32)