guess_number

This is a game for guessing the numbers. There are 4 digits no repeat numbers 0~9. The file golden.txt is our input pattern as golden. The program will to guess the golden pattern by multiply iterations with some algorithms.

The symbol A mean the right number and correct location. Symbol B indicate rigth number but incorrect location. If we get the completely match we get the 4A and its amount of total iteration.

Usage

./guess_nu

Reviews

1. Unique array

   my @ary = (1,2,3,2,3);
   my %seen;
   my @uniq = grep !$seen{$_}++ @ary;