CODEWITHSUNDEEP
c#random
Yamur
Yamur

Reputation: 339

Random number 0's or 1's

I am looking to generate 0's or 1's only for each array like:

int[] x = new int [10];

I would like to generate 10 numbers either 0's or 1's and should not all 0's

It's only like this:

Random binaryrand = new Random(2);

Thank you.

Upvotes: 3

Views: 5136

Answers (3)

amitfr
amitfr

Reputation: 1093

This also ensures that not all are 0 

Random binaryrand = new Random();
List<int> l = new List<int>();

while (l.Find(x => x == 1) != 1)
{
   for (int i = 0; i < 10; i++)
   {
       l.Add(binaryrand.Next(0, 2));
   }
 }

Upvotes: 0

Henk Holterman
Henk Holterman

Reputation: 273244

Your call 

Random binaryrand = new Random(2);

creates a Random generator with seed=2, it will produce the same sequence of numbers each time you run this code. The 2 has nothing to do with the range of the generated numbers.

Use 

 Random binaryrand = new Random();  // auto seed

 ...

    int x = binaryrand.Next(2);

Upvotes: 2

Soner G&#246;n&#252;l
Soner G&#246;n&#252;l

Reputation: 98750

You can do it with Random.Next(Int32, Int32) method like;

int[] x = new int[10];
Random r = new Random();

while (x.Any(item => item == 1) == false)
{
    for (int i = 0; i < x.Length; i++)
    {
         x[i] = r.Next(0, 2);
    }
}

for (int i = 0; i < x.Length; i++)
{
   Console.WriteLine(x[i]);
}

Example output;

0
0
0
1
1
1
0
1
1
0

Here a DEMO.

Remember, on Random.Next(Int32, Int32) method, lower bound is inclusive but upper bound is exclusive.

Upvotes: 3

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