al3_3.c

the examples of c codes.it is very easy,but the basic is important

/*案例代码文件名：AL3_3.C。*/
main( )
 {float  f=123.456;
  double d1,d2;
  d1=1111111111111.111111111;
  d2=2222222222222.222222222;
  printf("%f,%12f,%12.2f,%-12.2f,%.2f\n",f,f,f,f,f);
  printf("d1+d2=%f\n",d1+d2);
 }