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| 1 | <?php | |
| 2 | //// | |
| 3 | function flip($h, $t, $times) {
| |
| 4 | if ($h + $t <= $times) {
| |
| 5 | $a = mt_rand(0, 1); | |
| 6 | if ($a == 1) {
| |
| 7 | return flip($h + 1, $t, $times); | |
| 8 | } else {
| |
| 9 | return flip($h, $t + 1, $times); | |
| 10 | } | |
| 11 | } else {
| |
| 12 | return $h . ',' . $t; | |
| 13 | } | |
| 14 | } | |
| 15 | ///// | |
| 16 | function trial($l) {
| |
| 17 | $ar = array( | |
| 18 | 'null' | |
| 19 | ); | |
| 20 | for ($i = 1; $i <= $l; $i++) {
| |
| 21 | array_push($ar, flip(0, 0, 29)); | |
| 22 | } | |
| 23 | $countAr = array_count_values($ar); | |
| 24 | arsort($countAr); | |
| 25 | foreach ($countAr as $key => $value) {
| |
| 26 | print "<b>$key</b>" . ": " . $value . "</br>"; | |
| 27 | } | |
| 28 | } | |
| 29 | trail(500); | |
| 30 | ?> | |
| 31 | ||
| 32 | ||
| 33 | www.saikrishnadeep.com |
