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#!/usr/bin/env perl
# vim:set ts=4 sw=4 sts=4 et ai wm=0 nu:
#=============================================================================
# Copyright (c) 2024, Bob Lied
#=============================================================================
# ch-1.pl Perl Weekly Challenge 281 Task 1 Check Color
#=============================================================================
# You are given coordinates, a string that represents the coordinates of
# a square of the chessboard as shown below:
# Write a script to return true if the square is light, and false if
# the square is dark.
# Example 1 Input: $coordinates = "d3" Output: true
# Example 2 Input: $coordinates = "g5" Output: false
# Example 3 Input: $coordinates = "e6" Output: true
#=============================================================================
use v5.40;
use Getopt::Long;
my $Verbose = false;
my $DoTest = false;
my $Benchmark = 0;
my %Board = (
a => [ undef, false, true, false, true, false, true, false, true ],
b => [ undef, true, false, true, false, true, false, true, false ],
c => [ undef, false, true, false, true, false, true, false, true ],
d => [ undef, true, false, true, false, true, false, true, false ],
e => [ undef, false, true, false, true, false, true, false, true ],
f => [ undef, true, false, true, false, true, false, true, false ],
g => [ undef, false, true, false, true, false, true, false, true ],
h => [ undef, true, false, true, false, true, false, true, false ],
);
GetOptions("test" => \$DoTest, "verbose" => \$Verbose, "benchmark:i" => \$Benchmark);
exit(!runTest()) if $DoTest;
exit( runBenchmark($Benchmark) ) if $Benchmark;
say checkColor($_) for @ARGV;
sub checkColor($s)
{
return $Board{substr($s,0,1)}[substr($s,1)];
}
sub runTest
{
use Test2::V0;
is( checkColor("d3"), true, "Example 1");
is( checkColor("g5"), false, "Example 2");
is( checkColor("e6"), true, "Example 3");
done_testing;
}
sub runBenchmark($repeat)
{
use Benchmark qw/cmpthese/;
cmpthese($repeat, {
label => sub { },
});
}
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