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I made three simple changes.
First: start $cnt as $n*$n instead of 1.
Second: change while loop to continue until $cnt is not greater then 0.
Third: decrement $cnt everywhere it was incremented before.

#!/usr/bin/perl -w use strict; print "Enter n: "; chomp(my $n = <>); my @shiza; my $firstD = my $secondD = 0; my $cnt = $n*$n; my $inc = 1; while ($cnt > 0) { while (!$shiza[$firstD][$secondD] && $secondD < $n && $inc == 1) { $shiza[$firstD][$secondD] = $cnt; $secondD++ unless($shiza[$firstD][$secondD+1] || ($secondD+1) >= + $n); $cnt--; } $firstD++; while (!$shiza[$firstD][$secondD] && $firstD < $n && $inc == 1) { $shiza[$firstD][$secondD] = $cnt; $firstD++ unless($shiza[$firstD+1][$secondD] || ($firstD+1) >= $ +n); $cnt--; } $secondD--; $inc = 0; while (!$shiza[$firstD][$secondD] && $secondD >= 0 && $inc == 0) { $shiza[$firstD][$secondD] = $cnt; $secondD-- unless($shiza[$firstD][$secondD-1] || ($secondD-1) < +0); $cnt--; } $firstD--; while (!$shiza[$firstD][$secondD] && $firstD >= 0 && $inc == 0) { $shiza[$firstD][$secondD] = $cnt; $firstD-- unless($shiza[$firstD-1][$secondD] || ($firstD-1) < 0) +; $cnt--; } $secondD++; $inc = 1; } for (@shiza) { for (@{$_}) { print "$_\t" if($_); } print "\n"; }

In reply to Re^2: Spiraling integers by Elijah
in thread Spiraling integers by Elijah

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