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copied!<p>you need to add elements to that array. the first loop gives you in the inner access to a variable i, the second for j, but to fill it I would first prefer a recursive way:</p> <p>create a method with variables for your array and an index (which location to fill next in the array). Then call the method with a new array and index = 0</p> <p>in the method 1. check if the index is already out of the array range. in that case print the array and exit the method 2. in all other cases, add a for loop from 0 to 30, and inside, add the current number to the location 'index' and call the method again, giving your array and index+1</p> <p>but i would try that method with less items first. May take a while to print all</p> <p>Here an example in vb.net language. You can not directly copy paste it, but it may help to understand how to create the combinations.</p> <pre><code>Private Sub AllCombinations(array() As Integer, index As Integer) If index < 10 Then For i As Integer = 0 To 30 array(index) = i AllCombinations(array, index + 1) Next Else PrintMethod(array.ToString) End If End Sub Private Sub AllPermutations(array() As Integer, index As Integer, remaining As List(Of Integer)) If index < 10 Then For Each ele In remaining array(index) = ele Dim newRemaining As New List(Of Integer) newRemaining.AddRange(remaining) newRemaining.Remove(ele) AllPermutations(array, index + 1, newRemaining) Next Else PrintMethod(array.ToString) End If End Sub </code></pre> <p>index 0..9 is t ofill array, if index is 10 then the array is full and we will only show it. Either we fill every slot with any number between 0 and 30, or you keep a list to memorize which numbers are still remaining (in the Permutations you need to fill the remaining list with all allowed numbers first!)</p>

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