RosettaCodeData/Task/Loops-Increment-loop-index-within-loop-body/Yabasic/loops-increment-loop-index-within-loop-body.basic
2023-07-01 13:44:08 -04:00

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i = 42
counter = 0
while counter < 42
if isPrime(i) then
counter = counter + 1
print "n = ", counter, chr$(9), i
i = i + i - 1
end if
i = i + 1
wend
end
sub isPrime(v)
if v < 2 return False
if mod(v, 2) = 0 return v = 2
if mod(v, 3) = 0 return v = 3
d = 5
while d * d <= v
if mod(v, d) = 0 then return False else d = d + 2 : fi
wend
return True
end sub