Task

Express a number in decimal as a fixed-length string with leading zeros.



For example, the number   7.125   could be expressed as   00007.125.




#include <stdio.h>
main(){
  float r=7.125;
  printf(" %9.3f\n",-r);
  printf(" %9.3f\n",r);
  printf(" %-9.3f\n",r);
  printf(" %09.3f\n",-r);
  printf(" %09.3f\n",r);
  printf(" %-09.3f\n",r);
  return 0;
}