blob: a9eaf39455e6e1d6d39fd97a7c9098a36e4ff675 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#!/usr/bin/perl
# Perl Weekly Challenge - 066
#
# Task 2 - Power Integers
#
# Author: Niels 'PerlBoy' van Dijke
use strict;
use warnings;
use Data::Dumper;
my ($N) = @ARGV;
die "Only posive number allowed" if (defined $N and $N < 1);
sub findPowers ($);
my @test;
if (defined $N) {
@test = ($N);
} else {
@test = (9, 45, 128);
}
foreach my $t (@test) {
printf "The power integers of %d is/are: %s\n",
$t, join(', ', findPowers($t));
}
sub findPowers ($) {
my ($n) = @_;
my @p;
for my $p (2 .. int(sqrt($n))) {
if (int(log($n)/log($p)) == log($n)/log($p)) {
push(@p, sprintf('%d^%d', $p, int(log($n)/log($p))));
}
}
push(@p, "$n^1");
return @p;
}
|
