Computer Programming Contest Preparation

    1 123 456
    2 2.2.2.
    3 .2
    4 .
    5 2.e1
    6 1e+2.2
    7 -e3
    8 
    9 
   10     1.2
   11     1.
   12     1.0e-55
   13     e-12
   14     6.5E
   15     1e-12
   16     +4.1234567890E-99999
   17     7.6e+12.5
   18     99
   19     *
   20