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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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19
Task/Binary-search/PHP/binary-search-1.php Normal file
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function binary_search( $array, $secret, $start, $end )
{
do
{
$guess = (int)($start + ( ( $end - $start ) / 2 ));
if ( $array[$guess] > $secret )
$end = $guess;
if ( $array[$guess] < $secret )
$start = $guess;
if ( $end < $start)
return -1;
} while ( $array[$guess] != $secret );
return $guess;
}

15
Task/Binary-search/PHP/binary-search-2.php Normal file
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function binary_search( $array, $secret, $start, $end )
{
$guess = (int)($start + ( ( $end - $start ) / 2 ));
if ( $end < $start)
return -1;
if ( $array[$guess] > $secret )
return (binary_search( $array, $secret, $start, $guess ));
if ( $array[$guess] < $secret )
return (binary_search( $array, $secret, $guess, $end ) );
return $guess;
}