Created
December 28, 2010 17:14
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mag_quad03.pl
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#!/bin/perl | |
# mag_quad03.pl | |
# Max Weller, http://max-weller.de | |
my $count = $ARGV[0]; | |
if(!$count || $count < 1 || $count % 2 == 0) { | |
print "Usage: perl $0 count\n\n"; | |
print "Please specify a positive odd integer for count\n\n"; | |
exit(1); | |
} | |
# Matrix initialisieren mit Count*Count, Inhalt 0 | |
my @matrix = (); | |
$matrix[$_] = [(0) x $count] for(0..$count-1); | |
# Cursor auf Mitte oben | |
my $x = $count/2, $y = 0; | |
# Count*Count mal wiederholen, jeweils an der Cursorposition | |
# den Inhalt des Zaehlers einfuegen | |
# Bewegung des Cursors: | |
# - eins nach oben, eins nach rechts | |
# - wenn Feld belegt, stattdessen eins nach unten | |
# - Bei Randueberschreitung einfach auf der anderen Seite weiter | |
for (1..$count**2) { | |
$matrix[$x][$y] = $_; | |
$ox=$x++; $oy=$y--; | |
$x=0 if($x>=$count); | |
$y=$count-1 if($y<0); | |
if($matrix[$x][$y] > 0) { | |
$x=$ox; $y=$oy+1; | |
$y=$count-1 if($y<0); | |
} | |
} | |
# Ausgabe | |
my $summe = 0; | |
$summe += $_ for @{$matrix[0]}; | |
print "Summe in alle richtungen: ",$summe,"\n\n"; | |
for ($x=0; $x<$count; $x++) { | |
print ($_," \t ") for @{$matrix[$x]}; | |
} |
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