11 lines
245 B
Text
11 lines
245 B
Text
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100 cls
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110 sub fib(num)
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120 if num < 0 then print "Invalid argument: "; : fib = num
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130 if num < 2 then fib = num else fib = fib(num-1)+fib(num-2)
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140 end sub
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190 print fib(20)
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200 print fib(30)
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210 print fib(-10)
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220 print fib(10)
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230 end
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