I am making a array filled with random numbers in c# but I can't get it to work.
int[,] array = new int[10, 5];
int x, y;
x = 0;
y = 0;
while (y <= 5)
{
Random r = new Random();
int rand = r.Next(-50, 50);
array[x, y] = rand;
if (x == 10)
{
x = 0;
y++;
}
x++;
}
Use nested for loops, it is much easier:
Random rnd = new Random();
for (int i = 0; i < 10; i++)
{
for (int j = 0; j < 5; j++)
{
array[i, j] = rnd.Next(-50, 50);
}
}
Your while loop is not readable but it's correct,except you should change while (y <= 5) to while (y < 5) otherwise you will get an IndexOutOfRangeException. And you should define your Random instance outside of the loop.
int[,] array = new int[10, 5];
int x = 0, y = 0;
Random r = new Random();
while (y < 5)
{
int rand = r.Next(-50, 50);
array [x, y] = rand;
x++;
if (x == 10)
{
x = 0;
y++;
}
}
Try this:
int[,] array = new int[10, 5];
Random rnd = new Random();
for (int row = 0; row < 10; row++)
{
for (int col = 0; col < 5; col++)
{
array[row, col] = rnd.Next(-50, 50);
}
}
you need to change yours if or array declaration to
int[,] array = new int[11, 6];
also there is other problem, you need to create random before while
Random r = new Random();
while (y <= 5)
{
to print out the values you can use for
for (int i = 0; i < array.GetLength(0); i++)
{
for (int j = 0; j < array.GetLength(1); j++)
Console.WriteLine(array[i, j]);
}
int[,] array = new int[10, 5];
int x, y;
x = 0;
y = 0;
while (y < 5)
{
Random r = new Random();
int rand = r.Next(-50, 50);
array[x, y] = rand;
if (x == 9)
{
x = 0;
y++;
}
x++;
}
Let's see if this works.
Random r = new Random();out of the while loop. Otherwise, you're reseeding with the same seed every time!