概率1 <?php
2 function win(){
3 $arr = [0,0,0];
4 $arr[rand(0,2)] =1;
5 //print_r($arr);;
6 $userF=rand(0,2);
7 $userFirst = $arr[$userF];
8 while(1){
9 $delete = rand(0,2);
10 if($arr[$delete] === 0 && $delete !== $userF){
11 unset($arr[$delete]);
12 break;
13 }
14 }
15 while(1){
16 $select = rand(0,2);
17 if($select !== $delete && $select !== $userF){
18 break;
19 }
20 }
21 $userSecond = $arr[$select];
22 return array($userFirst,$userSecond);
23 }
24 $userFirstNum =0;
25 $userScondNum =0;
26 for($i=1;$i<=100000;$i++){
27 $arr = win();
28 ($arr[0]===1) && $userFirstNum++;
29 ($arr[1]===1) && $userScondNum++;
30 }
31 echo $userFirstNum.PHP_EOL;
32 echo $userScondNum;
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