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<?php $n = 12; $array = array_map(fn($v) => array_sum(str_split($v)), range(1, $n)); $winningGroupCounts = array_count_values(array_count_values($array)); echo "number of largest winning group(s): " . $winningGroupCounts[max(array_keys($winningGroupCounts))];
Output for rfc.property-hooks, git.master_jit, git.master
number of largest winning group(s): 3

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