[問題] 亂數怎麼不重複...
int[] dealcard = new int[52];
int ij;
int[] cards = new int[52];
cards={裡面有52個數字但沒有0}
for(i=0;i<52;i++)
{ j=(int)(Math.random()*52);
if(cards[j]==0) //這邊是判斷cards取亂數的那個空間
是否以機被取過
{
j=(int)(Math.random()*52);
}
dealcard[i]=cards[j]; //把cards[j]的值傳到dealcard
cards[j]=0;//然後把那個以傳送過的陣列的空格傳0進去
}
好怪...我是不是少了哪個判斷..
因為不管怎麼取..
dealcard印出來都會有0...
可不可以告訴我 我錯在哪裡..
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.217.163.164
推
11/23 22:52, , 1F
11/23 22:52, 1F
推
11/23 22:58, , 2F
11/23 22:58, 2F
→
11/23 23:56, , 3F
11/23 23:56, 3F
※ 編輯: gene07 來自: 61.217.163.164 (11/23 23:57)
推
11/24 00:26, , 4F
11/24 00:26, 4F
推
11/24 01:08, , 5F
11/24 01:08, 5F
→
11/24 01:10, , 6F
11/24 01:10, 6F
→
11/24 01:12, , 7F
11/24 01:12, 7F
→
11/24 10:06, , 8F
11/24 10:06, 8F