RosettaCodeData/Task/Arithmetic-numbers/FreeBASIC/arithmetic-numbers.basic

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' Rosetta Code problem: https://rosettacode.org/wiki/Arithmetic_numbers
' by Jjuanhdez, 06/2022
Dim As Double t0 = Timer
Dim As Integer N = 1, ArithCnt = 0, CompCnt = 0
Dim As Integer Div, DivCnt, Sum, Quot
Print "The first 100 arithmetic numbers are:"
Do
Div = 1 : DivCnt = 0 : Sum = 0
Do
Quot = N / Div
If Quot < Div Then Exit Do
If Quot = Div AndAlso (N Mod Div) = 0 Then 'N is a square
Sum += Quot
DivCnt += 1
Exit Do
End If
If (N Mod Div) = 0 Then
Sum += Div + Quot
DivCnt += 2
End If
Div += 1
Loop
If (Sum Mod DivCnt) = 0 Then 'N is arithmetic
ArithCnt += 1
If ArithCnt <= 100 Then
Print Using "####"; N;
If (ArithCnt Mod 20) = 0 Then Print
End If
If DivCnt > 2 Then CompCnt += 1
Select Case ArithCnt
Case 1e3
Print Using !"\nThe #######th arithmetic number is #####,### up to which ###,### are composite."; ArithCnt; N; CompCnt
Case 1e4, 1e5, 1e6
Print Using "The #######th arithmetic number is #####,### up to which ###,### are composite."; ArithCnt; N; CompCnt
End Select
End If
N += 1
Loop Until ArithCnt >= 1e6
Print !"\nTook"; Timer - t0; " seconds on i5 @3.20 GHz"
Sleep