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#!/usr/bin/perl
use warnings;
use strict;
use experimental qw( signatures );
sub champion_team(@grid) {
my $max = 0;
my %wins;
for my $y (0 .. $#grid) {
for my $x (0 .. $#{ $grid[$y] }) {
my $w = $grid[$y][$x] ? $y : $x;
$max = $w if ++$wins{$w} > $wins{$max};
}
}
return "Team $max"
}
use Test::More tests => 5;
is champion_team(
[0, 1, 1],
[0, 0, 1],
[0, 0, 0],
), 'Team 0', 'Example 1';
is champion_team(
[0, 1, 0, 0],
[0, 0, 0, 0],
[1, 1, 0, 0],
[1, 1, 1, 0],
), 'Team 3', 'Example 2';
is champion_team(
[0, 1, 0, 1],
[0, 0, 1, 1],
[1, 0, 0, 0],
[0, 0, 1, 0],
), 'Team 0', 'Example 3';
is champion_team(
[0, 1, 1],
[0, 0, 0],
[0, 1, 0],
), 'Team 0', 'Example 4';
is champion_team(
[0, 0, 0, 0, 0],
[1, 0, 0, 0, 0],
[1, 1, 0, 1, 1],
[1, 1, 0, 0, 0],
[1, 1, 0, 1, 0],
), 'Team 2', 'Example 5';
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