Idoneal numbers: Difference between revisions
Dialects of BASIC moved to the BASIC section.
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<pre>Same as the original entry FreeBASIC.</pre>
==={{header|FreeBASIC}}===
{{trans|Wren}} - original version
{{trans|Pascal}} - version with minimized multiplications
<syntaxhighlight lang="freebasic">Function isIdonealOrg(n As Uinteger) As Boolean
Dim As Uinteger a, b, c, sum
For a = 1 To n
For b = a+1 To n
If (a*b + a + b > n) Then Exit For
For c = b+1 To n
sum = a*b + b*c + a*c
If sum = n Then Return false
If sum > n Then Exit For
Next c
Next b
Next a
Return true
End Function
Function isIdoneal(n As Uinteger) As Boolean
Dim As Uinteger a, b, c, axb, ab, sum
For a = 1 To n
ab = a+a
axb = a*a
For b = a+1 To n
axb += a
ab +=1
sum = axb + b*ab
If (sum > n) Then Exit For
For c = b+1 To n
sum += ab
If (sum = n) Then Return false
If (sum > n) Then Exit For
Next c
Next b
Next a
Return true
End Function
Dim As Double t0 = Timer
Dim r As Byte = 0
Print "The 65 known Idoneal numbers:"
For n As Uinteger = 1 To 1850
If isIdonealOrg(n) Then
Print Using "#####"; n;
r += 1
If r Mod 13 = 0 Then Print
End If
Next n
Print !"\nTime:"; (Timer - t0); Chr(10)
Dim As Double t1 = Timer
For n As Uinteger = 1 To 1850
If isIdoneal(n) Then
Print Using "#####"; n;
r += 1
If r Mod 13 = 0 Then Print
End If
Next n
Print !"\n\nTime:"; (Timer - t1)
Sleep</syntaxhighlight>
{{out}}
<pre>'Tested in jdoodle.com
The 65 known Idoneal numbers:
1 2 3 4 5 6 7 8 9 10 12 13 15
16 18 21 22 24 25 28 30 33 37 40 42 45
48 57 58 60 70 72 78 85 88 93 102 105 112
120 130 133 165 168 177 190 210 232 240 253 273 280
312 330 345 357 385 408 462 520 760 840 1320 1365 1848
0.5490732192993164 ms per run
1 2 3 4 5 6 7 8 9 10 12 13 15
16 18 21 22 24 25 28 30 33 37 40 42 45
48 57 58 60 70 72 78 85 88 93 102 105 112
120 130 133 165 168 177 190 210 232 240 253 273 280
312 330 345 357 385 408 462 520 760 840 1320 1365 1848
0.3645658493041992 ms per run</pre>
==={{header|Yabasic}}===
Line 291 ⟶ 369:
120 130 133 165 168 177 190 210 232 240 253 273 280
312 330 345 357 385 408 462 520 760 840 1320 1365 1848</pre>
=={{header|Go}}==
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