请问怎么去掉那个0002
#include <stdio.h>
float fn1(int y, int z, int t){
float x;
if(t<5 || t>23)
x*=0.2;
else
x = 2.3;
float sum = y + (z-3) * 2.3;
return sum+1;
}
int main()
{
float w = fn1(13, 12, 6);
float d = fn1(13, 12, 9);
printf("%f", w+d);
return 0;
}
//结果69.40002