Question

How to implement a cumulative sum of numbers in int array in VB.NET

Answer 1

Imports System

Public Class Test
    Public Shared Sub Main()
        ' 0 : 0+1=1 : 0+1+2=3 : 0+1+2+3=6 : 0+1+2+3+4=10 : 0+1+2+3+4+5=15 ...
        Dim arr() As Integer = {0, 1, 2, 3, 4, 5, 6}
        Dim sum As Integer = 0

        For i As Integer = 0 To arr.Length - 1
            sum += arr(i)
            Console.Write("{0, 3}", sum)
        Next
    End Sub
End Class


' Run:
' 
'   0  1  3  6 10 15 21

 

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