#include<stdio.h>
int main()
{
float x=12345678989;
float y=0.1234578989;
printf("x=%f\n",x);
printf("y=%f\n",y);
printf("y=%.9f\n",y);
return 0;
}
运行后,x为12345678848,与原来所赋值不相同
#include<stdio.h>
int main()
{
float x=12345678989;
float y=0.1234578989;
printf("x=%f\n",x);
printf("y=%f\n",y);
printf("y=%.9f\n",y);
return 0;
}
运行后,x为12345678848,与原来所赋值不相同