Question

c#生成6个随机数，要求1到33之间不重复的随机数，要最简单的写法

Answer 1

int[] xl = new int();
int tmp = 0;
string output = "the numbers are: ";

Random rd = new Random();
for (int i = 0; i < 33; i++)
{
xl[i] = i;
}

for (int i = 0; i < 6; i++)
{
int id = rd.Next(33 - i);
output += xl[id - 1].ToString() + " ";
tmp = xl[id - 1];
xl[id - 1] = xl[33 - i];
xl[33 - i] = tmp;
}

return output;

Answer 2

很早以前用过那随机数的方法，不能保证不重，只能生成一个记下来再生成一个匹配一下