Knuth shuffle: Difference between revisions
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(Knuth shuffle in True BASIC) |
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When it has finished, the screen will show (for example): |
When it has finished, the screen will show (for example): |
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<pre>lcjbpxekzsaygumwnovfdtiqrh</pre> |
<pre>lcjbpxekzsaygumwnovfdtiqrh</pre> |
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==={{header|True BASIC}}=== |
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{{trans|BASIC}} |
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<lang qbasic>OPTION BASE 0 |
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RANDOMIZE |
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DIM cards(51) |
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PRINT "before:" |
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FOR L0 = 0 TO 51 |
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LET cards(L0) = L0 |
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PRINT LTRIM$(STR$(cards(L0))); " "; |
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NEXT L0 |
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FOR L0 = 51 TO 0 STEP -1 |
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LET card = INT(RND * (L0 + 1)) |
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IF card <> L0 THEN |
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LET t = cards(lb + L0) |
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LET cards(lb + L0) = cards(lb + card) |
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LET cards(lb + card) = t |
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END IF |
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NEXT L0 |
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PRINT |
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PRINT "after:" |
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FOR L0 = 0 TO 51 |
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PRINT LTRIM$(STR$(cards(L0))); " "; |
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NEXT L0 |
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END</lang> |
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{{out}} |
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<pre>Same as BASIC entry.</pre> |
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==={{header|BBC BASIC}}=== |
==={{header|BBC BASIC}}=== |
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