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27 lines
480 B
QBasic
27 lines
480 B
QBasic
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? "Starting!"
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NumIter = 10
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sTime = TIME
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' Arrays are initialized to 0
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DIM A(8190) Byte
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FOR Iter= 1 TO NumIter
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MSET Adr(A), 8190, 0
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Count = 0
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FOR I = 0 TO 8190
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IF NOT A(I)
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Prime = I + I + 3
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FOR K = I + Prime TO 8190 STEP Prime
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A(K) = 1
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NEXT K
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INC Count
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ENDIF
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NEXT I
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NEXT Iter
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eTime = TIME
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? "End."
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? "Elapsed time: "; eTime-sTime; " in "; NumIter; " iterations."
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? "Found "; Count; " primes."
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input "PRESS ENTER TO EXIT...";NAME$
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